What are the possible exposure sources?
Crystalline silica can be found in certain types of natural materials, such as:
• Sand
• Soil and rock
• Gravel
• Sandstone
• Slate
• Granite
• Clay
The document discusses the dangers of dust exposure in construction. It notes that 500,000 days were lost to safety issues and 1.5 million to health issues in construction last year due to dust. Certain construction activities like cutting concrete, drilling, sanding wood, and demolition can expose workers to harmful dusts. Silica dust in particular is very dangerous and can cause illnesses like silicosis and lung cancer, with 500 people dying each year from silica-related cancers. The document recommends controlling dust exposure through methods like planning work to reduce exposure time, using dust suppression techniques, and wearing proper respiratory protective equipment.
This document is a Material Safety Data Sheet (MSDS) for StoneCraft Industries Precast Stone Veneer. It lists the product ingredients including Portland cement, pumice and lightweight aggregate, sand and aggregate, and concrete admixture, and provides their respective hazardous ingredient information. It also details potential health effects such as respiratory, skin, and eye irritation from exposure to the product dust. Handling, storage, exposure control, and personal protective equipment guidelines are included.
This document is a material safety data sheet for StoneCraft Industries precast stone veneer. It lists the product ingredients such as Portland cement, expanded shale, sodium hydroxide, iron oxide pigments, and crystalline silica quartz. It provides exposure limits for these materials from organizations like OSHA and ACGIH. It identifies potential health effects from inhalation, skin contact, eye contact, and ingestion. These include irritation of the nose, throat and lungs and lung disease from silica. It provides first aid measures and notes the product is non-flammable. It discusses handling, storage, exposure controls and ventilation requirements to limit dust exposure.
This training covered asbestos safety. It defined asbestos and explained that it is a serious health hazard found in many building materials. The training described the various types of asbestos and where it is typically found. It discussed the health hazards of asbestos exposure, including cancers and lung diseases. The training emphasized that asbestos should not be disturbed without proper protection and training. It provided tips on protecting yourself and outlined OSHA regulations regarding asbestos safety.
The document discusses the top 10 health hazards found by OSHA in the construction industry. These include noise, lead, silica, copper fumes, total dust, iron oxide, carbon monoxide, hexavalent chromium, cadmium, and methylene chloride. It provides details on the health effects of overexposure to these hazards and recommends best practices for prevention through engineering controls, administrative controls, PPE, training, and monitoring. Common factors that increase health risks for construction workers are the daily changes in tasks and work locations as well as high turnover rates.
Construction workers face a variety of health hazards from their work including chemical, physical, biological, ergonomic and psychosocial hazards. Chemical hazards include exposure to dusts, fumes, fibers, liquids and gases from materials like asbestos, silica, welding fumes, lead and solvents. Long term exposure can cause illnesses like cancer, silicosis and damage major organs. Employers must implement health and safety programs including hazard assessments, training, labels and safety data sheets to prevent worker exposure and illness.
This training presentation provides an overview of asbestos, its health hazards, and asbestos management programs. It discusses how asbestos is a naturally occurring material that was used widely in construction due to its desirable properties but can cause serious health issues like asbestosis, lung cancer, and mesothelioma if inhaled. The presentation outlines the basic elements of an asbestos management plan, including identifying, labeling, housekeeping procedures for asbestos-containing materials, and responding to unplanned fiber releases. Learners will understand asbestos hazards and their responsibilities to recognize asbestos locations and not disturb asbestos-containing materials.
Cleaning and descaling stainless steel 9001markexd25
This document provides information on cleaning and descaling stainless steels. It discusses various methods for removing oxide scales from fabrication processes like hot forming, welding, and thermal treatments. These include acid pickling using hydrochloric or nitric acid, caustic descaling using alkaline solutions, and sand blasting. It also covers cleaning stainless steel surfaces to remove shop soils, oils, fingerprints and other contaminants using methods like alkaline cleaning, electrolytic cleaning, solvent degreasing, and vapor blasting. Passivation, the use of nitric acid to dissolve iron contamination, is also discussed.
The document discusses the dangers of dust exposure in construction. It notes that 500,000 days were lost to safety issues and 1.5 million to health issues in construction last year due to dust. Certain construction activities like cutting concrete, drilling, sanding wood, and demolition can expose workers to harmful dusts. Silica dust in particular is very dangerous and can cause illnesses like silicosis and lung cancer, with 500 people dying each year from silica-related cancers. The document recommends controlling dust exposure through methods like planning work to reduce exposure time, using dust suppression techniques, and wearing proper respiratory protective equipment.
This document is a Material Safety Data Sheet (MSDS) for StoneCraft Industries Precast Stone Veneer. It lists the product ingredients including Portland cement, pumice and lightweight aggregate, sand and aggregate, and concrete admixture, and provides their respective hazardous ingredient information. It also details potential health effects such as respiratory, skin, and eye irritation from exposure to the product dust. Handling, storage, exposure control, and personal protective equipment guidelines are included.
This document is a material safety data sheet for StoneCraft Industries precast stone veneer. It lists the product ingredients such as Portland cement, expanded shale, sodium hydroxide, iron oxide pigments, and crystalline silica quartz. It provides exposure limits for these materials from organizations like OSHA and ACGIH. It identifies potential health effects from inhalation, skin contact, eye contact, and ingestion. These include irritation of the nose, throat and lungs and lung disease from silica. It provides first aid measures and notes the product is non-flammable. It discusses handling, storage, exposure controls and ventilation requirements to limit dust exposure.
This training covered asbestos safety. It defined asbestos and explained that it is a serious health hazard found in many building materials. The training described the various types of asbestos and where it is typically found. It discussed the health hazards of asbestos exposure, including cancers and lung diseases. The training emphasized that asbestos should not be disturbed without proper protection and training. It provided tips on protecting yourself and outlined OSHA regulations regarding asbestos safety.
The document discusses the top 10 health hazards found by OSHA in the construction industry. These include noise, lead, silica, copper fumes, total dust, iron oxide, carbon monoxide, hexavalent chromium, cadmium, and methylene chloride. It provides details on the health effects of overexposure to these hazards and recommends best practices for prevention through engineering controls, administrative controls, PPE, training, and monitoring. Common factors that increase health risks for construction workers are the daily changes in tasks and work locations as well as high turnover rates.
Construction workers face a variety of health hazards from their work including chemical, physical, biological, ergonomic and psychosocial hazards. Chemical hazards include exposure to dusts, fumes, fibers, liquids and gases from materials like asbestos, silica, welding fumes, lead and solvents. Long term exposure can cause illnesses like cancer, silicosis and damage major organs. Employers must implement health and safety programs including hazard assessments, training, labels and safety data sheets to prevent worker exposure and illness.
This training presentation provides an overview of asbestos, its health hazards, and asbestos management programs. It discusses how asbestos is a naturally occurring material that was used widely in construction due to its desirable properties but can cause serious health issues like asbestosis, lung cancer, and mesothelioma if inhaled. The presentation outlines the basic elements of an asbestos management plan, including identifying, labeling, housekeeping procedures for asbestos-containing materials, and responding to unplanned fiber releases. Learners will understand asbestos hazards and their responsibilities to recognize asbestos locations and not disturb asbestos-containing materials.
Cleaning and descaling stainless steel 9001markexd25
This document provides information on cleaning and descaling stainless steels. It discusses various methods for removing oxide scales from fabrication processes like hot forming, welding, and thermal treatments. These include acid pickling using hydrochloric or nitric acid, caustic descaling using alkaline solutions, and sand blasting. It also covers cleaning stainless steel surfaces to remove shop soils, oils, fingerprints and other contaminants using methods like alkaline cleaning, electrolytic cleaning, solvent degreasing, and vapor blasting. Passivation, the use of nitric acid to dissolve iron contamination, is also discussed.
This document provides an overview of lead awareness training requirements including the health hazards of lead exposure, ways lead enters the body, permissible exposure limits, medical surveillance programs, engineering controls, and protective measures to reduce lead exposure. Key topics covered include common products and industries that use lead, signs and symptoms of overexposure, blood tests to monitor body lead levels, and requirements for temporary medical removal from work if exposure levels are too high.
Just a ppt I made to focus on Respirators and Noise issues among others in IH, I am seeing many not do medical surveillance, fir testing and wearers cannot do a User Seal check.,
Rapid Set Concrete is used to produce concrete. It contains Portland cement, washed sand, washed aggregate, calcium sulphate hemihydrate, and trace amounts of chromium and crystalline silica. Exposure to dust from the product can cause irritation to eyes, skin, and respiratory system. Repeated exposure may cause skin dryness or cracking. Personal protective equipment should be worn like gloves, protective clothing, and eye protection when handling. The product is not classified as hazardous for transport.
This document provides training on asbestos awareness for AusNet Services employees. It defines asbestos and its health risks, outlines how to identify asbestos and proper procedures for working with or near asbestos-containing materials. The training explains that friable asbestos poses more risk if disturbed, describes areas where asbestos is commonly found at AusNet sites, and emphasizes that suspected asbestos should not be disturbed without proper training and precautions.
This document provides an overview of asbestos, its health hazards, and where it can be found. Asbestos was widely used in construction materials due to its desirable properties but is now known to cause serious health issues like mesothelioma cancer and asbestosis. It becomes hazardous when fibers are released into the air and inhaled. To avoid exposure, people should be aware of where asbestos is likely present in buildings and not disturb any asbestos-containing materials.
According to health statistics, 2500 deaths in the UK in 2014/2015 were due to mesothelioma from asbestos exposure, while 250 were from asbestosis. Asbestos was commonly used in buildings before 2000 and can still be found in places like floor tiles, pipes, window panels and roofs. Exposure to asbestos fibers can cause serious and sometimes fatal illnesses like mesothelioma, asbestosis and lung cancer many years later. Proper inspection by a professional and safe removal of asbestos is important to health.
MBBS UG class on occupational health in three parts. part 1 includes introduction of occupational health, occupational diseases, ergonomics and Pneumoconiosis
This document provides information about asbestos, including its properties, uses, health risks, and safety procedures. It begins by outlining the learning objectives of identifying the main types of asbestos, associated diseases, risk factors, typical locations, and how to avoid risks. It then details the three main types of asbestos, their structures, historical uses, and countries that mine it. The health risks of asbestos exposure are explained, noting that all types are carcinogenic and can cause lung cancer, mesothelioma, asbestosis, or pleural plaques. Smokers face higher risks, and protective equipment and safety procedures are outlined to avoid asbestos risks.
This document provides information about asbestos, including the three main types, associated diseases, typical uses in buildings, and safety procedures. It will teach students to identify asbestos, the health risks from exposure, and how to avoid those risks. The key topics covered are the properties and typical applications of asbestos, asbestos-related diseases like mesothelioma and their long latency periods, and regulations regarding asbestos identification, management and removal.
This document discusses the hazards of silica dust exposure for workers involved in hydraulic fracturing or "fracking". It notes that fracking workers are exposed to large amounts of crystalline silica dust during sand transport and mixing processes. The National Institute for Occupational Safety and Health (NIOSH) found that over 80% of air samples from fracking worker breathing zones exceeded recommended exposure limits. Prolonged inhalation of respirable silica dust can cause silicosis and lung cancer. The document examines options for controlling silica exposure through engineering controls, administrative measures, personal protective equipment, and proposed regulations.
This document discusses the hazards of silica dust exposure for fracking workers. It outlines how workers are exposed to crystalline silica dust during fracking operations, which can lead to serious health issues like silicosis and lung cancer. It summarizes a NIOSH study that found over 80% of samples from fracking worker exposures exceeded recommended limits. While controls like ventilation and masks can help, many exposures still exceed approved limits for respiratory protection. Regulations and enforcement are needed to better protect workers from silica dust during fracking.
tRÍPF SÄFETYPROteduce your workers Yisk oí exposure to si.docxwillcoxjanay
tRÍPF SÄFETYPRO
teduce your workers' Yisk oí exposure to silica dust.
Silicosis. Ifs a disabling and often
fatal disease that can strike land-
scape cjie;^ members, even those
laridscáplé^l
unaware of the hazards of crystalline
silica dust and how to protect their
workers.
Silicosis, which often has no symp-
toms in its early stages, develops as a
result of inhaling dust containing tiny
particles of crystalline silica. Crystalline
silica, which is a major part of the
earth's crust, can be found in many
materials at landscape construction
sites. Among these are soil, sand, brick,
block, mortar and concrete. Other
materials containing silica that may be
present at general construction sites
where your crews are working include
cement board, roofing aggregate, and
some drywall joint compounds.
Although there is no
cure for silicosis, there
are steps landscape
contractors and crew
members can take
to reduce the risk of
developing this disease.
Your crew members may be breath-
ing in harmful silica dust and not even
know it. That's because the small parti-
cles of crystalline silica that get into the
air are often not visible—and it can take
20 years or longer for the chronic form
of silicosis to develop. In the meantime,
though, as a crew member inhales the
dust, silica particles can scar the lungs,
causing the disabling, irreversible and
incurable lung disease called silicosis.
The presence of silica in the lungs
can also weaken the body's ability to
fight infections, so infectious illnesses
such as pulmonary tuberculosis can
lung cancer and chronic obstructive
pulmonary disease, and may be related
to kidney disease and other adverse
health effects.
Silicosis is a progressive disease, so
removing a worker from the job does
not stop its progression. As silicosis
progresses, symptoms may include
severe cough, chest pains, weight loss,
fever, weakness, night sweats, short-
ness of breath, respiratory failure and/or
death. (See "Resources for Employers"
on page 26 for a link to the National
Institute for Occupational Safety
and Health (NIOSH) Health Hazard
Review: Health Effects of Occupational
Exposure to Respirable Crystalline
Silica, where you can learn about other
adverse health effects of occupational
crystalline silica exposure.)
Risky tasks
Certain tasks performed by land-
scape crew members may generate crys-
talline silica dust. Among these are:
• Loading, hauling and dumping rock
• Chipping, hammering, drilling, saw-
ing and grinding concrete or masonry
• Grinding mortar
• Demolishing concrete or masonry
structures
• Abrasive blasting (using sand as the
abrasive or where the blasted surface
contains silica, such as concrete)
• Dry sweeping or pressurized air
blowing (concrete or dust)
• Using a jackhammer or chipper
• Using such mobile excavation equip-
ment as a skid-steer loader, grader,
bulldozer or truck
Specific jobs your crew members
may be performing that co ...
The document discusses hazards associated with lead and silica exposure on construction sites. Lead is commonly found in construction materials like paint, alloyed metals, mortars, and can be exposed during activities like grinding, cutting or welding. Exposure to lead can occur through inhalation, ingestion or skin absorption and can cause health effects like lead poisoning. The document outlines steps employers should take to assess lead exposure risks and comply with OSHA requirements. Silica exposure is also common in construction and can cause silicosis, a serious lung disease. Tasks like cutting concrete and sandblasting can release silica dust which is inhaled. The document recommends ways to control silica exposure like substituting less hazardous materials, using water controls and
The document discusses hazards associated with lead and silica exposure on construction sites. Lead is commonly found in construction materials like paint, alloyed metals, mortars, and can be exposed during activities like grinding, cutting or welding. Exposure to lead can occur through inhalation, ingestion or skin absorption and can cause health effects like lead poisoning. The document outlines steps employers should take to assess lead exposure risks and comply with OSHA requirements. Silica exposure is also common in construction and can cause silicosis, a serious lung disease, particularly during tasks like cutting concrete or sandblasting. The document recommends ways to control silica dust like substituting less hazardous materials, using water controls and proper ventilation.
Workers involved in hydraulic fracturing, or fracking, are exposed to high levels of respirable crystalline silica dust, putting them at risk of serious health effects like silicosis and lung cancer. A NIOSH study found that over 80% of air samples from fracking worker breathing zones exceeded recommended exposure limits. Major sources of silica dust include sand moving equipment, transfer belts, and dust generated by vehicle traffic. Controlling dust requires a combination of engineering controls, administrative measures, personal protective equipment, and education since simply substituting or eliminating materials is not feasible. OSHA is proposing a new silica exposure standard to better protect workers across all industries.
This document provides information on silica dust exposure in quarry work. It aims to dispel myths and highlight realities about silica dust risks. Silica dust is respirable crystalline silica that can cause the lung disease silicosis when workers are exposed over long periods through activities like crushing, screening, and sanding. The document reviews health effects like lung cancer and explains how to control exposure through suppressing, enclosing, extracting dust and using respiratory protective equipment. It emphasizes that natural materials can still be harmful and stresses the importance of changing work practices to reduce silica dust risks over the long term.
Crystalline silica is a common mineral found in many rocks, sands, and construction materials. Exposure to respirable crystalline silica (RCS) dust particles through common workplace activities like cutting, drilling, and grinding can lead to serious lung diseases like silicosis. Silicosis is an irreversible lung disease caused by scar tissue forming in the lungs from long-term exposure to RCS dust. The current workplace exposure limit for RCS is 0.1 mg/m3 according to UK regulations. Dust control methods include suppression, collection, and containment to reduce levels of RCS dust workers are exposed to.
Global Road Technology are silica dust control specialists servicing the mining, construction, renewables, quarrying and oil and gas industries. Dealing with silica dust at its source takes specific understanding of the particle size of silica dust in relation to the dust control product used. GRT has a range of different silica dust control products that can be utilized during activities such as drill and blast, tunneling, underground mining, stockpiling, transportation, haul roads, conveyor belt and transfer points amongst many other areas of application. Silica dust related terminology can be very confusing! There are must-know terms related to silica dust and these often find themselves being interchanged or misplaced in the thick of things.
Global Road Technology is a specialist in silica dust control serving various industries. They define the top 10 terms related to silica dust, which include crystalline silica, silica dust, and silicosis. Crystalline silica is a naturally occurring mineral composed of silicon and oxygen that can be found in rocks. Silica dust is generated from stone containing silica during processes like cutting and drilling. Silicosis is a group of lung diseases caused by exposure to silica dust, which can have acute, accelerated, or chronic forms.
Crystalline silica, also known as quartz, is a natural component of sand and granite that is commonly found in construction materials. Exposure to crystalline silica dust can cause silicosis, a lung disease where scar tissue forms and reduces lung function. Construction workers are at risk of exposure during activities like sandblasting, jackhammering, cutting concrete, and tunneling. OSHA has regulations to limit crystalline silica exposure and requires employers to provide protective equipment and engineering controls to prevent workers from breathing in harmful silica dust.
This document provides health and safety advice for stonemasons regarding silica dust. It discusses how respirable crystalline silica (RCS) is found in many types of rock and stone. Exposure to RCS dust particles can lead to serious lung diseases like silicosis and lung cancer. The highest risk is from freshly fractured fine RCS particles generated during tasks like drilling, cutting, and grinding. The current workplace exposure limit for RCS is 0.1mg/m3. Control methods include suppressing, collecting, and containing dust through techniques like water sprays, ventilation, and encapsulation. Respiratory protective equipment is also important but should only be used as a last resort. Maintaining controls and conducting
This document provides an overview of lead awareness training requirements including the health hazards of lead exposure, ways lead enters the body, permissible exposure limits, medical surveillance programs, engineering controls, and protective measures to reduce lead exposure. Key topics covered include common products and industries that use lead, signs and symptoms of overexposure, blood tests to monitor body lead levels, and requirements for temporary medical removal from work if exposure levels are too high.
Just a ppt I made to focus on Respirators and Noise issues among others in IH, I am seeing many not do medical surveillance, fir testing and wearers cannot do a User Seal check.,
Rapid Set Concrete is used to produce concrete. It contains Portland cement, washed sand, washed aggregate, calcium sulphate hemihydrate, and trace amounts of chromium and crystalline silica. Exposure to dust from the product can cause irritation to eyes, skin, and respiratory system. Repeated exposure may cause skin dryness or cracking. Personal protective equipment should be worn like gloves, protective clothing, and eye protection when handling. The product is not classified as hazardous for transport.
This document provides training on asbestos awareness for AusNet Services employees. It defines asbestos and its health risks, outlines how to identify asbestos and proper procedures for working with or near asbestos-containing materials. The training explains that friable asbestos poses more risk if disturbed, describes areas where asbestos is commonly found at AusNet sites, and emphasizes that suspected asbestos should not be disturbed without proper training and precautions.
This document provides an overview of asbestos, its health hazards, and where it can be found. Asbestos was widely used in construction materials due to its desirable properties but is now known to cause serious health issues like mesothelioma cancer and asbestosis. It becomes hazardous when fibers are released into the air and inhaled. To avoid exposure, people should be aware of where asbestos is likely present in buildings and not disturb any asbestos-containing materials.
According to health statistics, 2500 deaths in the UK in 2014/2015 were due to mesothelioma from asbestos exposure, while 250 were from asbestosis. Asbestos was commonly used in buildings before 2000 and can still be found in places like floor tiles, pipes, window panels and roofs. Exposure to asbestos fibers can cause serious and sometimes fatal illnesses like mesothelioma, asbestosis and lung cancer many years later. Proper inspection by a professional and safe removal of asbestos is important to health.
MBBS UG class on occupational health in three parts. part 1 includes introduction of occupational health, occupational diseases, ergonomics and Pneumoconiosis
This document provides information about asbestos, including its properties, uses, health risks, and safety procedures. It begins by outlining the learning objectives of identifying the main types of asbestos, associated diseases, risk factors, typical locations, and how to avoid risks. It then details the three main types of asbestos, their structures, historical uses, and countries that mine it. The health risks of asbestos exposure are explained, noting that all types are carcinogenic and can cause lung cancer, mesothelioma, asbestosis, or pleural plaques. Smokers face higher risks, and protective equipment and safety procedures are outlined to avoid asbestos risks.
This document provides information about asbestos, including the three main types, associated diseases, typical uses in buildings, and safety procedures. It will teach students to identify asbestos, the health risks from exposure, and how to avoid those risks. The key topics covered are the properties and typical applications of asbestos, asbestos-related diseases like mesothelioma and their long latency periods, and regulations regarding asbestos identification, management and removal.
This document discusses the hazards of silica dust exposure for workers involved in hydraulic fracturing or "fracking". It notes that fracking workers are exposed to large amounts of crystalline silica dust during sand transport and mixing processes. The National Institute for Occupational Safety and Health (NIOSH) found that over 80% of air samples from fracking worker breathing zones exceeded recommended exposure limits. Prolonged inhalation of respirable silica dust can cause silicosis and lung cancer. The document examines options for controlling silica exposure through engineering controls, administrative measures, personal protective equipment, and proposed regulations.
This document discusses the hazards of silica dust exposure for fracking workers. It outlines how workers are exposed to crystalline silica dust during fracking operations, which can lead to serious health issues like silicosis and lung cancer. It summarizes a NIOSH study that found over 80% of samples from fracking worker exposures exceeded recommended limits. While controls like ventilation and masks can help, many exposures still exceed approved limits for respiratory protection. Regulations and enforcement are needed to better protect workers from silica dust during fracking.
tRÍPF SÄFETYPROteduce your workers Yisk oí exposure to si.docxwillcoxjanay
tRÍPF SÄFETYPRO
teduce your workers' Yisk oí exposure to silica dust.
Silicosis. Ifs a disabling and often
fatal disease that can strike land-
scape cjie;^ members, even those
laridscáplé^l
unaware of the hazards of crystalline
silica dust and how to protect their
workers.
Silicosis, which often has no symp-
toms in its early stages, develops as a
result of inhaling dust containing tiny
particles of crystalline silica. Crystalline
silica, which is a major part of the
earth's crust, can be found in many
materials at landscape construction
sites. Among these are soil, sand, brick,
block, mortar and concrete. Other
materials containing silica that may be
present at general construction sites
where your crews are working include
cement board, roofing aggregate, and
some drywall joint compounds.
Although there is no
cure for silicosis, there
are steps landscape
contractors and crew
members can take
to reduce the risk of
developing this disease.
Your crew members may be breath-
ing in harmful silica dust and not even
know it. That's because the small parti-
cles of crystalline silica that get into the
air are often not visible—and it can take
20 years or longer for the chronic form
of silicosis to develop. In the meantime,
though, as a crew member inhales the
dust, silica particles can scar the lungs,
causing the disabling, irreversible and
incurable lung disease called silicosis.
The presence of silica in the lungs
can also weaken the body's ability to
fight infections, so infectious illnesses
such as pulmonary tuberculosis can
lung cancer and chronic obstructive
pulmonary disease, and may be related
to kidney disease and other adverse
health effects.
Silicosis is a progressive disease, so
removing a worker from the job does
not stop its progression. As silicosis
progresses, symptoms may include
severe cough, chest pains, weight loss,
fever, weakness, night sweats, short-
ness of breath, respiratory failure and/or
death. (See "Resources for Employers"
on page 26 for a link to the National
Institute for Occupational Safety
and Health (NIOSH) Health Hazard
Review: Health Effects of Occupational
Exposure to Respirable Crystalline
Silica, where you can learn about other
adverse health effects of occupational
crystalline silica exposure.)
Risky tasks
Certain tasks performed by land-
scape crew members may generate crys-
talline silica dust. Among these are:
• Loading, hauling and dumping rock
• Chipping, hammering, drilling, saw-
ing and grinding concrete or masonry
• Grinding mortar
• Demolishing concrete or masonry
structures
• Abrasive blasting (using sand as the
abrasive or where the blasted surface
contains silica, such as concrete)
• Dry sweeping or pressurized air
blowing (concrete or dust)
• Using a jackhammer or chipper
• Using such mobile excavation equip-
ment as a skid-steer loader, grader,
bulldozer or truck
Specific jobs your crew members
may be performing that co ...
The document discusses hazards associated with lead and silica exposure on construction sites. Lead is commonly found in construction materials like paint, alloyed metals, mortars, and can be exposed during activities like grinding, cutting or welding. Exposure to lead can occur through inhalation, ingestion or skin absorption and can cause health effects like lead poisoning. The document outlines steps employers should take to assess lead exposure risks and comply with OSHA requirements. Silica exposure is also common in construction and can cause silicosis, a serious lung disease. Tasks like cutting concrete and sandblasting can release silica dust which is inhaled. The document recommends ways to control silica exposure like substituting less hazardous materials, using water controls and
The document discusses hazards associated with lead and silica exposure on construction sites. Lead is commonly found in construction materials like paint, alloyed metals, mortars, and can be exposed during activities like grinding, cutting or welding. Exposure to lead can occur through inhalation, ingestion or skin absorption and can cause health effects like lead poisoning. The document outlines steps employers should take to assess lead exposure risks and comply with OSHA requirements. Silica exposure is also common in construction and can cause silicosis, a serious lung disease, particularly during tasks like cutting concrete or sandblasting. The document recommends ways to control silica dust like substituting less hazardous materials, using water controls and proper ventilation.
Workers involved in hydraulic fracturing, or fracking, are exposed to high levels of respirable crystalline silica dust, putting them at risk of serious health effects like silicosis and lung cancer. A NIOSH study found that over 80% of air samples from fracking worker breathing zones exceeded recommended exposure limits. Major sources of silica dust include sand moving equipment, transfer belts, and dust generated by vehicle traffic. Controlling dust requires a combination of engineering controls, administrative measures, personal protective equipment, and education since simply substituting or eliminating materials is not feasible. OSHA is proposing a new silica exposure standard to better protect workers across all industries.
This document provides information on silica dust exposure in quarry work. It aims to dispel myths and highlight realities about silica dust risks. Silica dust is respirable crystalline silica that can cause the lung disease silicosis when workers are exposed over long periods through activities like crushing, screening, and sanding. The document reviews health effects like lung cancer and explains how to control exposure through suppressing, enclosing, extracting dust and using respiratory protective equipment. It emphasizes that natural materials can still be harmful and stresses the importance of changing work practices to reduce silica dust risks over the long term.
Crystalline silica is a common mineral found in many rocks, sands, and construction materials. Exposure to respirable crystalline silica (RCS) dust particles through common workplace activities like cutting, drilling, and grinding can lead to serious lung diseases like silicosis. Silicosis is an irreversible lung disease caused by scar tissue forming in the lungs from long-term exposure to RCS dust. The current workplace exposure limit for RCS is 0.1 mg/m3 according to UK regulations. Dust control methods include suppression, collection, and containment to reduce levels of RCS dust workers are exposed to.
Global Road Technology are silica dust control specialists servicing the mining, construction, renewables, quarrying and oil and gas industries. Dealing with silica dust at its source takes specific understanding of the particle size of silica dust in relation to the dust control product used. GRT has a range of different silica dust control products that can be utilized during activities such as drill and blast, tunneling, underground mining, stockpiling, transportation, haul roads, conveyor belt and transfer points amongst many other areas of application. Silica dust related terminology can be very confusing! There are must-know terms related to silica dust and these often find themselves being interchanged or misplaced in the thick of things.
Global Road Technology is a specialist in silica dust control serving various industries. They define the top 10 terms related to silica dust, which include crystalline silica, silica dust, and silicosis. Crystalline silica is a naturally occurring mineral composed of silicon and oxygen that can be found in rocks. Silica dust is generated from stone containing silica during processes like cutting and drilling. Silicosis is a group of lung diseases caused by exposure to silica dust, which can have acute, accelerated, or chronic forms.
Crystalline silica, also known as quartz, is a natural component of sand and granite that is commonly found in construction materials. Exposure to crystalline silica dust can cause silicosis, a lung disease where scar tissue forms and reduces lung function. Construction workers are at risk of exposure during activities like sandblasting, jackhammering, cutting concrete, and tunneling. OSHA has regulations to limit crystalline silica exposure and requires employers to provide protective equipment and engineering controls to prevent workers from breathing in harmful silica dust.
This document provides health and safety advice for stonemasons regarding silica dust. It discusses how respirable crystalline silica (RCS) is found in many types of rock and stone. Exposure to RCS dust particles can lead to serious lung diseases like silicosis and lung cancer. The highest risk is from freshly fractured fine RCS particles generated during tasks like drilling, cutting, and grinding. The current workplace exposure limit for RCS is 0.1mg/m3. Control methods include suppressing, collecting, and containing dust through techniques like water sprays, ventilation, and encapsulation. Respiratory protective equipment is also important but should only be used as a last resort. Maintaining controls and conducting
This document discusses protecting worker health in various industries. It notes that while 39 workers fatally in construction in 2012/13, occupational exposures also lead to many non-fatal illnesses. Each year there are an estimated 31,000 new cases of work-related ill health in construction, 3,700 occupational cancer cases, and over 500 deaths from silica exposure alone. The broader picture shows approximately 13,000 occupational disease deaths annually in the UK. Various industries like stonemasonry, welding, painting, and recycling expose workers to hazardous substances that can cause cancer, respiratory disease, and other illnesses. The document advocates for prevention through engineering controls, safe work practices, protective equipment, and proper management of occupational health and safety programs.
The document discusses the health risks of construction dust, which can cause serious issues such as cancer, silicosis, and COPD. Construction workers are at high risk of exposure due to the dust generated in their work. Small respirable dust particles that penetrate deep into the lungs pose the greatest threat. While over 40% of workers are aware of risks, many underestimate the true health consequences. The HSE found unacceptable safety conditions and practices at nearly half of construction sites inspected. A variety of dust control methods should be implemented to protect worker health.
This document discusses the hazards of silica dust exposure and preventative measures. It notes that over one million workers are exposed to dangerous levels of silica dust each year in jobs like drilling, crushing, and sandblasting. Prolonged exposure can lead to silicosis, a serious lung disease, and increase risk of tuberculosis and lung cancer. The document recommends evaluating exposures through inspections, monitoring, and observing work practices. It emphasizes controlling dust at its source through engineering controls like dust collectors, enclosed cabs, water sprays and HEPA filters to reduce silica exposures below the permissible exposure limit.
Silica is a mineral found in many materials like glass and sand. Repeated exposure to crystalline silica dust can cause serious illnesses like silicosis and lung cancer. Employers must implement controls like ventilation, work practices, hygiene facilities and monitoring to limit worker exposure and comply with regulatory limits. A complete silica control program uses engineering, administrative and personal protective equipment controls along with air monitoring, training and medical surveillance.
The document discusses Dustcontrol, a Swedish company that produces dust extraction vacuums for construction sites. It describes Dustcontrol's history and product range, which includes vacuums of varying sizes suitable for different tasks. The document emphasizes the importance of dust control for health and safety reasons, particularly the risk of silicosis from respirable crystalline silica dust. It explains Dustcontrol vacuums' triple filtration system and other features that make them effective at capturing dust particles.
- Construction dust can cause serious lung diseases like cancer, COPD, silicosis and asthma. Over 50% of new cancer cases are in construction workers.
- Employers have a duty to prevent exposure to dust and adequately control health risks. Effective controls include eliminating dusty processes, using water suppression and local exhaust ventilation. Respiratory protective equipment is also needed for high risk tasks.
- The HSE is increasing enforcement of dust regulations through notices of contravention. They prioritize inspections involving asbestos, construction dust, respiratory risks and valley tile cutting. The Fee for Intervention scheme also charges fees for sites with material breaches.
7205 health hazards in construction 2015 John Newquist
This document discusses various health hazards that may be present in workplaces and methods for their control and prevention. It identifies 10 common health hazards: (1) noise, (2) lead, (3) silica, (4) copper fumes from welding, (5) total dust, (6) iron oxide fumes from welding, (7) carbon monoxide, (8) hexavalent chromium, (9) cadmium, and (10) methylene chloride. For each hazard, it describes health effects and examples of exposures in construction work. It also discusses general topics like routes of exposure, permissible exposure limits, and a hierarchy of controls including engineering, administrative and personal protective equipment methods.
This document provides a catalog for stormwater and safety products from Cervelliere Limited. It lists various erosion control, pollution control, storm drain protection, and safety products. Information provided for each product includes specifications, dimensions, prices, and brief descriptions of how each product works and its applications. The catalog also provides contact information for Cervelliere Limited and instructions for ordering products by email, online, or phone.
The Revolutionary Sandless Sandbag that can be used to build an effective water barrier to protect property against floods, water heater leaks, broken pipes, overflowing toilets, and other liquid emergencies.
This document describes a 5-gallon spill response kit that contains oil-only sorbents for responding quickly to spills of petroleum-based fluids. The kit dimensions are 12" x 16.75" and it weighs 11.05 lbs. It includes 10 oil-only pads, 2 oil-only sorbent socks, nitrile gloves, safety goggles, and disposal bags. The kit is self-contained to store sorbents for easy access during spill response and has a screw-top lid to protect the contents.
This document outlines safety regulations for elevating employees using lift trucks. It specifies requirements for work platforms, fall protection equipment, and lift truck operation. Regulations address securing the platform, guardrails, flooring, and fall protection anchorage. It requires the operator to remain at the controls, means for elevated employees to shut off power, and blocking of other moving equipment. For variable reach trucks, it adds requirements for load charts, outriggers, and keeping the platform level while moving. Proper training and record keeping of attendees is also addressed.
This document discusses stages of heat-related illness and provides guidance on prevention and treatment. It begins by outlining the stages from heat cramps to heat exhaustion to heat stroke. It then provides details on symptoms, first aid, and care for each stage. It emphasizes calling emergency services for heat stroke. The document also includes requirements from the California Code of Regulations for heat illness prevention, including providing water, shade, high-heat procedures, emergency response, acclimatization, and training.
This document outlines requirements for fall protection during roofing work on residential construction projects. It specifies that fall protection is required for roof slopes between 3:12 and 7:12 if the eave height is over 15 feet, and for slopes steeper than 7:12 regardless of height. Acceptable fall protection methods include personal fall arrest systems, catch platforms, scaffold platforms, eave barriers, standard railings, and roof jack systems. The document also requires training for workers on roof hazards and fall protection, and documentation of all training.
This document discusses first aid requirements for construction sites. It states that first aid materials must be provided and personnel made available to treat injured employees. Means of communication to call emergency services must also be provided. All work sites must have a first aid kit with supplies like a stretcher and blankets. Vehicles must carry first aid kits as well. The document also outlines training requirements for first aid and CPR certification for employees, with some exceptions for log truck drivers. Adequate transportation to medical care must be arranged for injured workers.
Excavation and trenching present serious cave-in hazards. The OSHA Excavation standards require employers to protect workers from cave-ins through sloping, shoring, or shielding based on soil type. Employers must designate a competent person to classify soil, inspect protective systems, and ensure safety compliance. Preplanning is important to determine soil conditions, utilities, and protective systems needed. Common protective systems include sloping excavations to a maximum angle, using trench boxes designed by an engineer, or installing sloping and benching systems based on tabulated data.
The document discusses requirements for eave barriers and railings used on roofs. It states that eave barriers must be securely anchored and constructed according to railing standards if not solid. Employees moving barriers must use safety belts and lines. Railing standards require a top rail between 42-45 inches high, and a mid-rail halfway between the top and floor. Railings must withstand 200 pounds of force without failure. The document also provides requirements for toeboards and training records.
The document provides guidelines for the safe use of extension cords and avoiding their misuse at laboratories and construction sites. It advises that extension cords should only be used temporarily, be heavy-duty rated, and protected by a GFCI. Common safety violations involving extension cords include overloading them, running them through doors/walls, daisy chaining them, using damaged or undersized cords, or removing the ground pin. Relocatable power taps are not approved for outdoor or construction use. Employees should be trained on these electrical safety procedures.
This document provides regulations for the safe use of pump jack scaffolds. It specifies that pump jack scaffolds must have a maximum working load of 500 pounds and a safety factor of at least four times the intended load. Poles cannot exceed 30 feet in height and must be braced securely. No more than two employees can work between supports on a pump jack scaffold at one time. Guardrails or safety belts must also be used. The document includes an employee training record for pump jack scaffolding safety.
Cal/OSHA Criminal Investigation of Worker’s Death Results in PrisonCervelliere Limited
The owner and project manager of a construction company were sentenced to two years in prison for involuntary manslaughter following the death of a worker. An excavation wall collapsed and buried a 36-year-old day laborer alive at a residential construction site in 2012. An investigation found that required safety measures were not followed and the employer did not have proper insurance. The sentencing resulted from a criminal investigation by Cal/OSHA into the workplace fatality.
Trenching and excavation work is highly hazardous and cave-ins are a major risk. Trenches 5 feet deep or more require protective systems such as sloping, shoring, or shielding of the walls. A competent person must inspect trenches daily for hazards. Trench work also requires safe access and egress, keeping heavy equipment and stored materials away from edges, and testing for gases.
The wood dust created by cutting, shaping, and sanding wood is certainly a nuisance. However, wood dust can be a serious hazard to both health and safety if not properly controlled.
Metal scaffolds shall be designed to support all dead, live, and wind loads to which they will be subjected.
No metal scaffold equipment that is broken or deteriorated to the extent that its section is structurally weakened shall be used.
All stationary scaffold legs, including those of outriggers, shall rest upon base plates available from the manufacturer for this service. Each base plate shall have support adequate to sustain the load and prevent horizontal movement. When the scaffold or outrigger is resting on earth or soft material, the base plate shall rest on and be secured to the equivalent of a 2-inch by 10-inch by 10-inch wooden base.
Failing to comply with Occupational Safety & Health Administration regulations can land a small business owner in hot water and lead to an inspection of workplace safety practices.
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The SVN® organization shares a portion of their new weekly listings via their SVN Live® Weekly Property Broadcast. Visit https://svn.com/svn-live/ if you would like to attend our weekly call, which we open up to the brokerage community.
The SVN® organization shares a portion of their new weekly listings via their SVN Live® Weekly Property Broadcast. Visit https://svn.com/svn-live/ if you would like to attend our weekly call, which we open up to the brokerage community.
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AVRUPA KONUTLARI ESENTEPE - ENGLISH - Listing Turkey
08 silica dust
1. Crystalline Silica Dust
Nov 2013
What are the possible exposure sources?
Crystalline silica can be found in certain types of natural materials, such as:
• Sand
• Soil and rock
• Gravel
• Sandstone
• Slate
• Granite
• Clay
Typical construction materials made from these natural ingredients include:
• Roof tiles
• Ceramic and terracotta tiles
• Concrete and concrete block
• Manufactured stone
• Bricks and blocks
• Grouts and mortar
• Some joint compounds
• Abrasive materials
These become some of the sources of exposure associated with a number of the
construction trades.
Exposure Levels
Airborne exposure to crystalline silica dust can depend on a number of things, such as:
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2. 1. Types of activities
• Cutting, drilling and coring
1. Concrete
2. Roof tile
3. Tile backer board
4. Brick and block
5. Granite
• Grinding, Sanding and Sandblasting
1. Sack and patch
2. Tuck point grinding
3. Scabbling/scarifying
4. Drywall mud sanding
5. Hand-held surface grinding
• Pulverizing
1. Jack and chipping hammers
2. Cement truck cleaning
3. Concrete recycling
4. Road milling
5. Backhoes, excavators
6. Demolition
• Mixing (dry)
1. Cement
2. Plaster and grout
• Cleaning up
1. Dry sweeping (versus wet)
2. Compressed air (versus vacuum)
3. Hauling
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3. 2. Location
• Outside or in a wide open area versus inside or an enclosed area
3. Materials being used
• The percentage of silica present varies a lot. The higher the content, the more
likely overexposure will occur
4. Types of equipment used
• Cutting using wet methods versus dry methods
• Types of blades or abrasives used
• Use of local ventilation that prevents or reduces the amount of dust you breathe
5. How long the dust-generating activity goes on in a shift
• The longer the duration of exposure, the greater the chance of overexposure
6. Weather conditions
• Presence of moisture
• The lighter the wind the less likely airborne dust generated will move away from
the breathing zone and be quickly diluted. On the flip side, wind currents can
move the hazard away from one person to another.
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4. Sources of Exposure Information
Allowable Exposure Levels
Cal/OSHA has established regulatory permissible exposure levels for silica that varies
depending on the form of silica (quartz, fused, tripoli, tridymite and cristobolite) and
particle sizes present. These allowable exposure levels are reflective of an employee's
average exposure throughout an 8-hour shift. There is a difference between "total" and
"respirable" silica dust, in that "respirable" silica dust is more likely to get into the deep
parts of the lungs and cause more serious damage.
• Cal/OSHA's Permissible Exposure Levels over an 8-hour average basis
1. Respirable crystalline silica (quartz, fused, tripoli), 0.1 mg/m3 - 0.1
milligrams of Silica in 1 cubic meter of air.
2. Total crystalline silica (quartz), 0.3 mg/m3.
3. Respirable cristobolite and tridymite, 0.05 mg/m3.
NOTE: Special exposure sampling methods are needed to collect the "respirable"
fraction of the dust you are exposed to. If not done properly, this type of sampling can
easily be inaccurate and give you misleading results.
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5. It's important to note that there are other exposure guidelines from NIOSH (National
Institute of Occupational Safety and Health) and ACGIH (American Conference of
Industrial Hygienists). Although not enforceable by Cal/OSHA, you should still take them
into consideration.
• NIOSH recommends an exposure level of 0.05 mg/m3 on an 8-hour average
basis
• ACGIH recommends an exposure level of 0.025 mg/m3 on an 8-hour average
basis.
1. ACGIH currently lists crystalline silica as a known human carcinogen.
• Crystalline silica is currently on the California Prop 65 List of substances known
to the State of California to cause cancer
Additional Sources of Exposure Information:
• University of Washington: www.depts.washington.edu/silica/dust.html
• NIOSH: www.cdc.gov/niosh/topics/silica/
• eLCOSH: http://www.elcosh.org/en/browse/33/silica.html
• Health and Safety Executive (UK): www.hse.gov.uk/pubns/cis36.pdf
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6. What's the hazard?
Each year more than 300 U.S. workers die from silicosis and thousands
more are diagnosed with the lung disease. It is frequently misdiagnosed,
so actual numbers may be quite higher.
Silica is a natural mineral that comes in several Crystalline forms, some more
hazardous than others, such as:
• Quartz
• Fused
• Tripoli
• Cristobolite
• Tridymite
Crystalline silica dust is made up of a variety of particle sizes. Particle sizes small
enough to reach the deep parts of the lungs are referred to as "respirable", which are
more likely to cause:
• "Silicosis", which is a scarring of the lung tissues,
• Lung cancer
• Chronic obstructive pulmonary (lung) disease (COPD)
• Decreased lung function
• Increased risk of getting tuberculosis
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7. It's important people working with silica-containing materials understand:
With lower exposures over longer periods of time it usually takes several years before
you know that you have a problem.
• Higher exposures can produce health problems much sooner.
• At first, there can be no symptoms of disease, and then
o Shortness of breath.
o Chest pain
o Persistent dry coughing
o Loss of appetite and weight loss
o Extreme fatigue
o Fever
o Nails with a bluish tint
• Short of a lung transplant, silicosis cannot be cured. Doctors can only treat the
symptoms to provide some comfort. It's best to minimize exposures now to
prevent disability later in life.
The symptoms and other health affects listed above can be caused by other
things besides exposure to silica. Make sure and get evaluated by a board
certified occupational medicine physician.
Additional Sources of Information
• NIOSH
• Washington State
• OSHA
• OSHA guidance document 'Controlling Silica Exposures in Construction'. Note
that this guide references the OSHA program and related standards. Employers
in California need to abide by Cal/OSHA regulations.
Respirators must be used if silica dust can’t be
controlled with water or ventilation
Employees using respirators must be trained on how to use them
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8. EMPLOYEE TRAINING AND INSTRUCTION RECORD
Subject: Silica Dust
Location:
Instructor’s name & Signature: _______
Date of Session: / / Time Started : am / pm Time Finished : am / pm
Please print your name and job title. Then sign your name.
ATTENDEES:
Print Name Job Title Signature
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