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Similar to Here is the completed table with chemical hazards found in construction and their adverse health effects:Chemical Hazard Adverse Health EffectsAsbestos Asbestosis, lung cancer, mesotheliomaLead Damage to the nervous, urinary, and reproductive systemsSilica Silicosis, lung cancerCarbon Monoxide Reduces oxygen delivery to tissues, causes headaches, dizziness, weaknessSolvents Skin and eye irritation, respiratory irritation, central nervous system effects
Similar to Here is the completed table with chemical hazards found in construction and their adverse health effects:Chemical Hazard Adverse Health EffectsAsbestos Asbestosis, lung cancer, mesotheliomaLead Damage to the nervous, urinary, and reproductive systemsSilica Silicosis, lung cancerCarbon Monoxide Reduces oxygen delivery to tissues, causes headaches, dizziness, weaknessSolvents Skin and eye irritation, respiratory irritation, central nervous system effects (20)
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Here is the completed table with chemical hazards found in construction and their adverse health effects:Chemical Hazard Adverse Health EffectsAsbestos Asbestosis, lung cancer, mesotheliomaLead Damage to the nervous, urinary, and reproductive systemsSilica Silicosis, lung cancerCarbon Monoxide Reduces oxygen delivery to tissues, causes headaches, dizziness, weaknessSolvents Skin and eye irritation, respiratory irritation, central nervous system effects
- 1. Construction Worker’s Death in Manhole Leads to $136K Penalty Aug 09, 2010 OSHA has cited Matula & Matula Construction Inc. of Lake Jackson, Texas, for workplace safety and health violations following the death of an employee who was working inside a sanitary sewer manhole. Proposed penalties total $136,000. "This company exposed its workers to hazardous atmospheres while they were working in sanitary sewers," said Mark Briggs, OSHA's director for its Houston South Area Office in Texas. "It is critical that procedures for safe confined space entry are utilized each time a worker enters a confined space." OSHA issued citations alleging two willful, three serious, and two repeat violations following an investigation that began Feb. 8, when a worker who was pumping grout into the sewer line on the Highway 332 Utility Relocation Project in Lake Jackson was overcome by hydrogen sulfide. The willful violations are for failing to implement confined space entry procedures, including testing, ventilation and rescue, and to train employees
- 2. on the hazards of working in a confined space. OSHA issues a willful citation when an employer exhibits plain indifference to or intentional disregard for employee safety and health. Serious violations include failing to train employees about the danger of working with hazardous chemicals in the workplace, and to inspect, properly maintain, and repair damaged ladders. A serious violation is one in which there is substantial probability that death or serious physical harm could result from a hazard about which the employer knew or should have known. The repeat violations are for failing to make a reasonable estimate of employee exposure to hazardous chemicals such as hydrogen sulfide and carbon monoxide, and to properly erect a ladder for use in accessing the sanitary sewer manhole. OSHA issues repeat violations when an employer previously has been cited for the same or substantially similar violations in the past three years, and those citations have become a final order. The company has 15 business days from receipt of the citations to comply, request an informal conference with OSHA's area director in Houston, or contest the citations and penalties before the independent Occupational Safety and Health Review Commission. Copyright 2010 1105 Media Inc. See our Privacy Policy.
- 3. Page 1 of 1Construction Worker’s Death in Manhole Leads to $136K Penalty -- Occu... 1/29/2013http://ohsonline.com/Articles/2010/08/09/Manhole- Death-in-Texas.aspx?sc... 1 EHST 3060/61: Environmental Issues in Construction construction chemical hazards exposure to chemical hazards with chemical hazards in construction
- 5. Chemical Hazard Examples Gases Carbon monoxide Hydrogen sulfide Radon Vapors Methyl ethyl ketone Other solvents Particulates Dust Asbestos Silica Lead Fume Welding fumes Mist Paint and oil mist Liquids Solvents 2 Asbestos Mine
- 6. minerals that are resistant to heat and corrosion construction before 1975 lation for pipes, floor tiles, building materials, and in vehicle brakes and clutches 1929 newspaper advertisement from Perth, Western Australia, for asbestos sheeting for residential building construction Source: http://en.wikipedia.org/wiki/File:Durabestos_advertisement.jpg Asbestos fibers under SEM http://en.wikipedia.org/wiki/File:Anthophyllite_asbestos_SEM.j pg Asbestos fibers under light
- 7. microscope – 40 years 1. Asbestosis 2. Lung Cancer 3. Mesothelioma http://en.wikipedia.org/wiki/File:Durabestos_advertisement.jpg 3 lungs that is caused by prior occupational exposure to asbestos http://en.wikipedia.org/wiki/File:Ferruginous_body.jpg Micrograph showing asbestosis of the lung (ferruginous bodies)
- 8. that develops from the protective lining that covers many of the body's internal organs (mesothelium) http://mesotheliomatragedy.blogspot.com/ http://en.wikipedia.org/wiki/File:MesotheliomaCT.jpg asbestos -Containing Building Materials (ACBM or ACM) //upload.wikimedia.org/wikipedia/commons/4/40/Ferruginous_b
- 9. ody.jpg //upload.wikimedia.org/wikipedia/commons/5/53/Mesothelioma CT.jpg 4 and FURNACE DUCTS insulated with an asbestos blanket or asbestos paper tape. release asbestos fibers if damaged, repaired, or removed improperly. asphalt, and rubber) NG Sanding tiles can release fibers
- 10. and, so can scraping or sanding the backing of sheet flooring during removal. http://inspectapedia.com/hazmat/Asbestos_Floor_Tile_ID.php Fire proofing on structural steel Sound proofing on walls and ceilings be maintained in good condition, it is recommended that it be left alone and periodic surveillance performed to monitor its condition. -materials are disturbed or the materials become damaged that it becomes a hazard.
- 11. dust by hand pressure hen the materials become damaged, the fibers separate and may then become airborne. 5 maintained in place utilizing several techniques. applying a thick layer of an encapsulant (i.e. latex paint) that binds the surface of the material together.
- 12. best option. asbestos survey be done on all suspect ACBM before conducting any demolition activities. removed condition measured to be too high be demolished or renovated http://www2.epa.gov/asbestos/building-owners-and- managers#renovation Pollutants (NESHAP) certain amount of RACM.
- 13. (AHERA) personnel and air clearance monitoring for renovation projects in school buildings http://www2.epa.gov/asbestos/asbestos-neshap Construction Industry http://www.osha.gov/dte/library/asbestos/rev_asb.html 6
- 14. -weighted average (TWA) permissible exposure limit (PEL) = 0.1 fibers per cubic centimeter Standard for the Construction Industry Competent person compliance practices http://www.osha.gov/dte/library/asbestos/rev_asb.html by the standard
- 15. removal and handling handling 1. Vacuum cleaners with HEPA filters to collect asbestos-containing debris and dust 2. Wet methods or wetting agents during handling, mixing, removal, cutting, application, and clean-up 3. Prompt clean-up and disposal of wastes and debris contaminated with asbestos in leak- tight containers by Licensed Asbestos Abatement Contractors,
- 16. utilizing Licensed Workers and Supervisors. removal of asbestos containing materials. inspectors from the State Department of Labor a minimum of 3 times. 7 renovating or demolishing a building is required by Federal law to have their buildings surveyed for asbestos containing materials. if there is friable asbestos present. licensed Contractor must file an application for a permit 10 days in advance of the
- 17. removal. -gray, soft, ductile metal used -based paints d conduits -based paints on bridges, railways, ships, and other steel structures due to its rust- and corrosion-inhibiting properties -based paints in older homes when paint is removed from surfaces
- 18. 8 -forming, nervous, urinary, and reproductive systems
- 19. -torch cutting grinders to remove lead paint in the repair, renovation, removal, demolition, and salvage of flood-damaged structures and materials are responsible for the development and implementation of a worker protection program. exposure averaged over an 8-hour period g
- 20. controls and work practices, where feasible, to reduce worker exposure hygiene practices, such as washing hands before eating and taking a shower before leaving the worksite that employees be provided with protective clothing and, where necessary, with respiratory protection accordance with 29 CFR 1910.134 of lead be enrolled in a medical surveillance program Local and general exhaust ventilation
- 21. -body work clothing oes or disposable shoe coverlets spectacles or goggles 9 WARNING LEAD WORK AREA POISON NO SMOKING OR EATING dioxide (SiO2) than quartz in causing silicosis.
- 22. Tridymite Cristobalite Quartz breathing of dust containing crystalline silica particles crystalline silica dust in quartz, tridymite and cristobalite he lungs that reduce the lung’s ability to work to extract oxygen from the air bes or lips
- 23. exposure to lower levels of quartz http://upload.wikimedia.org/wikipedia/commons/d/d1/Tridymite _tabulars_-_Ochtendung,_Eifel,_Germany.jpg http://upload.wikimedia.org/wikipedia/commons/1/14/Quartz,_T ibet.jpg 10 -Risk Occupations g, quarrying, tunneling
- 24. ldings, metal bridges, tanks, and other surfaces kilns and cupola furnaces -safe.org/ and Training (CPWR)
- 25. nformation about preventing silica hazards and protecting workers from silica- related diseases N4Y – Georgia Tech training material ventilation industry than any other gas petroleum products in internal combustion engines http://www.silica-safe.org/ http://www.silica-safe.org/ http://www.silica-safe.org/ http://www.silica-safe.org/ http://www.youtube.com/watch?v=f5Ec4TrzN4Y http://www.youtube.com/watch?v=f5Ec4TrzN4Y http://www.youtube.com/watch?v=f5Ec4TrzN4Y 11
- 26. by competing with oxygen for binding to the heme groups CO O2 31-osha/carbonmonoxide_fnl_eng_web.htm com/watch?v=aLDvPGSXzrU -operated equipment
- 27. nts, paints, glues, pesticides, and epoxy resins such as steel -tar)
- 28. thylene chloride
- 31. properties hazards limits handling and use aid procedures or last change to MSDS telephone number of a responsible party
- 32. Environmental Issues in Construction Laboratory CHEMICAL HAZARDS IN CONSTRUCTION: February 5, 2015 Answer the following questions and submit by 2:50 PM today. 1. Complete the following table (8 points). Chemical Hazard Adverse Health Effect Specific Source in Construction Asbestos Silica Lead
- 33. Carbon monoxide 2. What are the two types of cancer caused by asbestos exposure? (2 points) 3. Is it required by law to remove asbestos in a renovated building? Explain your answer. (2 points) 4. Describe one (1) major element in the OSHA standard on lead handling. (1 points)
- 34. 5. How does carbon monoxide as a chemical asphyxiant affect hemoglobin? (2 points) CASE STUDY: Answer the following questions based on the provided case on a construction worker. (10 points) 1. What is the specific chemical hazard involved in the case? (1 point) 2. What was the task being done by the construction worker involved? (2 points) 3. What was the consequence of the chemical exposure? (1 point) 4. Enumerate the 2 willful violations of the construction company involved. (2 points)
- 35. 5. Enumerate 2 of the serious violations of the construction company involved. (2 points) 6. Enumerate the 2 repeat violations of the construction company involved. (2 points)