IQ Academy Lunch & Learn Webinar | Cost Effective Water Quality Monitoring with Dr. Craig Speed of Wardell Armstrong | August 2019 | Institute of Quarrying
The document provides details of upcoming branch events for various quarrying associations in September. It also provides information on an upcoming webinar titled "Water Quality Monitoring: Making it High Quality and Cost Effective" presented by Dr. Craig Speed. The webinar will discuss how to optimize the quality of water quality monitoring programs while reducing costs to achieve cost effectiveness. It will cover monitoring design, quality control and quality assurance measures, and how to strategically reduce sampling frequency and parameters to lower expenses. A case study example is also provided.
This presentation was a plenary talk on environmental forensics delivered at the 2011 Dioxin Conference in Brussels (www.dioxin2011.org). The presentation focused on the topic of environmental forensics investigations and techniques and their application to the field of persistent organic pollutants (POPs).
Surface water monitoring that how we do and what are the most objectives, methodology and scope that are in this ppt and it is very important for monitor a surface water that are shown in it
Univ of Iowa Research on Best Methods to Detect Radioactivity in Marcellus Sh...Marcellus Drilling News
The results of a new study by researchers at the University of Iowa that looks at the best methods for detecting radioactivity levels in Marcellus Shale flowback water (wastewater from fracking). The researchers maintain federal EPA methods for testing drinking water are unreliable when used with frack wastewater and recommend a different, more reliable method.
This presentation was a plenary talk on environmental forensics delivered at the 2011 Dioxin Conference in Brussels (www.dioxin2011.org). The presentation focused on the topic of environmental forensics investigations and techniques and their application to the field of persistent organic pollutants (POPs).
Surface water monitoring that how we do and what are the most objectives, methodology and scope that are in this ppt and it is very important for monitor a surface water that are shown in it
Univ of Iowa Research on Best Methods to Detect Radioactivity in Marcellus Sh...Marcellus Drilling News
The results of a new study by researchers at the University of Iowa that looks at the best methods for detecting radioactivity levels in Marcellus Shale flowback water (wastewater from fracking). The researchers maintain federal EPA methods for testing drinking water are unreliable when used with frack wastewater and recommend a different, more reliable method.
The slickwater stimulation of unconventional gas and oil shale plays creates flowback water with a composition that is unique to particular shale formations. Characteristically, these fluids contain high concentrations of salts (e.g., chloride, bromide) which are routinely determined using ion chromatography. This analysis typically requires sample preparation, including manual dilution, which can significantly increase the cost of analysis. Results presented will show highly reproducible determination of anions and cations from Marcellus Shale flowback water using inline conductivity to identify high salt samples and then automatically diluting them prior to injection, saving time and column life.
Quality Assurance program and interlaboratory comparisons within the UN/ECE I...ExternalEvents
First meeting of the Global Soil Laboratory Network (GLOSOLAN), 1 - 2 Nov 2017 at FAO HQ in Rome. This network will be composed of national soil reference laboratories as a means to exchange resources, knowledge and experience. The goal of GLOSOLAN is to strengthen the performance of laboratories in support of the harmonization of soil data sets and information towards the development of standards. Indeed, the harmonization of soil analysis is a critical component of making soil information comparable and interpretable across laboratories, countries and regions. Presentations by Nils Koenig, Northwest German Forest Research Institute.
A Novel Saltwater AOC Assay for Optimizing Desalination R/O PretreatmentAmerican Water
Presented at the May 24, 2010 14th Annual Water Reuse & Desalination Research Conference in Tampa Bay, FL. The title of the talk was "A Novel Saltwater AOC Assay for Optimizing Desalination R/O Pretreatment" and described a new way of measuring small organic carbon molecules in seawater that serve as food for bacterial growth. Growth of the bacteria on reverse osmosis membranes used to treat the seawater causes clogging problems and increases the energy required (and greenhouse gas emissions) and maintenance (more frequent cleaning).
First meeting of the Global Soil Laboratory Network (GLOSOLAN), 1 - 2 Nov 2017 at FAO HQ in Rome. This network will be composed of national soil reference laboratories as a means to exchange resources, knowledge and experience. The goal of GLOSOLAN is to strengthen the performance of laboratories in support of the harmonization of soil data sets and information towards the development of standards. Indeed, the harmonization of soil analysis is a critical component of making soil information comparable and interpretable across laboratories, countries and regions. Presentation by Frank Lamé, Chairman ISO/TC 190.
Many factors impacting the measurement precision of ICP-OES and ICP-MS are still often neglected for everyday operation, however. Sample preparation is one of the factors that play a crucial role in the success of high-quality sample analysis. In this webinar, our experts will discuss sample preparation to: 1) improve analysis precision 2) make difficult samples easy to be analyzed 3) eliminate sample dilution to minimize error introduction.
For more information, please visit here: http://chrom.ms/CtRtKpw
PA DEP Proposal to Study Radiation Levels Associated with Shale DrillingMarcellus Drilling News
A proposal submitted to and accepted by the PA Dept. of Environmental Protection from Perma-Fix Environmental Services to conduct a 12-14 month in-depth study of naturally occurring radioactivity levels in drilling wastewater, drill cuttings, and the equipment used to transport, store and dispose of drilling wastes.
Analysis of groundwater quality of visnagar taluka, mehasana district gujaratvishvam Pancholi
Ground water is the principal source of drinking water in our country and indispensable source of our life. The quality of water is of vital concern for mankind, since it is directly linked to human welfare. The present work investigated various physiochemical parameters of villages of Visnagar taluka of Mehsana district, Gujarat. Because of north Gujarat is affected by various water quality parameters like fluoride is high in many parts of north Gujarat. A total of 50 water samples will be collected from the tube wells for post-monsoon season and analyzed for the various physiochemical parameters like pH, electrical conductivity (EC), nitrate (NO3-), magnesium (Mg2+), Calcium (Ca2+), hardness, and alkalinity, sulphates (SO42-), chloride (Cl-), sodium (Na+), potassium (K+), Fluoride (F-) and total dissolved solids (TDS). The result were compared with standards prescribed by IS: 10500(2012). It was found that the ground water contaminated at 16 sampling sites namely Khadalpur, Chhogala, Sunshi, Denap, Jetalvasana, Tarabh, Visnagar Rural, Bhalak, Kamalpur (GOT), Kamalpur (KHA), Kansa, Magaroda, Pudgam, Sadutala, Thalota, Vadu while other 34 sampling sites showed physiochemical parameters within the water quality standards and quality of water is good so it is fit for drinking uses.
Proficiency testing - implementing QA/QC standards in laboratory networks; Ex...ExternalEvents
First meeting of the Global Soil Laboratory Network (GLOSOLAN), 1 - 2 Nov 2017 at FAO HQ in Rome. This network will be composed of national soil reference laboratories as a means to exchange resources, knowledge and experience. The goal of GLOSOLAN is to strengthen the performance of laboratories in support of the harmonization of soil data sets and information towards the development of standards. Indeed, the harmonization of soil analysis is a critical component of making soil information comparable and interpretable across laboratories, countries and regions. Presentations by Winnie van Vark, Wageningen University.
(originally aired 07-26-12)
U.S. EPA and many state agencies are investigating fracking in Marcellus Shale’s impact on environmental water quality. Public outcry has led to drafting legislation. Increased levels of bromide in drinking water systems correlate to higher levels of brominated disinfection byproducts. Trace metals (i.e., arsenic, selenium, lead), important constituents of flowback water, must be accurately determined for regulatory compliance, challenging due to high levels of dissolved salts which can cause physical and spectral interferences. Here, experts discuss monitoring and measuring anion concentrations in water from recycling impoundments, the typical constituents reported for Marcellus Shale fracking operations, flowback water preparation, and ICP-OES and ICP-MS metals analysis.
The slickwater stimulation of unconventional gas and oil shale plays creates flowback water with a composition that is unique to particular shale formations. Characteristically, these fluids contain high concentrations of salts (e.g., chloride, bromide) which are routinely determined using ion chromatography. This analysis typically requires sample preparation, including manual dilution, which can significantly increase the cost of analysis. Results presented will show highly reproducible determination of anions and cations from Marcellus Shale flowback water using inline conductivity to identify high salt samples and then automatically diluting them prior to injection, saving time and column life.
Quality Assurance program and interlaboratory comparisons within the UN/ECE I...ExternalEvents
First meeting of the Global Soil Laboratory Network (GLOSOLAN), 1 - 2 Nov 2017 at FAO HQ in Rome. This network will be composed of national soil reference laboratories as a means to exchange resources, knowledge and experience. The goal of GLOSOLAN is to strengthen the performance of laboratories in support of the harmonization of soil data sets and information towards the development of standards. Indeed, the harmonization of soil analysis is a critical component of making soil information comparable and interpretable across laboratories, countries and regions. Presentations by Nils Koenig, Northwest German Forest Research Institute.
A Novel Saltwater AOC Assay for Optimizing Desalination R/O PretreatmentAmerican Water
Presented at the May 24, 2010 14th Annual Water Reuse & Desalination Research Conference in Tampa Bay, FL. The title of the talk was "A Novel Saltwater AOC Assay for Optimizing Desalination R/O Pretreatment" and described a new way of measuring small organic carbon molecules in seawater that serve as food for bacterial growth. Growth of the bacteria on reverse osmosis membranes used to treat the seawater causes clogging problems and increases the energy required (and greenhouse gas emissions) and maintenance (more frequent cleaning).
First meeting of the Global Soil Laboratory Network (GLOSOLAN), 1 - 2 Nov 2017 at FAO HQ in Rome. This network will be composed of national soil reference laboratories as a means to exchange resources, knowledge and experience. The goal of GLOSOLAN is to strengthen the performance of laboratories in support of the harmonization of soil data sets and information towards the development of standards. Indeed, the harmonization of soil analysis is a critical component of making soil information comparable and interpretable across laboratories, countries and regions. Presentation by Frank Lamé, Chairman ISO/TC 190.
Many factors impacting the measurement precision of ICP-OES and ICP-MS are still often neglected for everyday operation, however. Sample preparation is one of the factors that play a crucial role in the success of high-quality sample analysis. In this webinar, our experts will discuss sample preparation to: 1) improve analysis precision 2) make difficult samples easy to be analyzed 3) eliminate sample dilution to minimize error introduction.
For more information, please visit here: http://chrom.ms/CtRtKpw
PA DEP Proposal to Study Radiation Levels Associated with Shale DrillingMarcellus Drilling News
A proposal submitted to and accepted by the PA Dept. of Environmental Protection from Perma-Fix Environmental Services to conduct a 12-14 month in-depth study of naturally occurring radioactivity levels in drilling wastewater, drill cuttings, and the equipment used to transport, store and dispose of drilling wastes.
Analysis of groundwater quality of visnagar taluka, mehasana district gujaratvishvam Pancholi
Ground water is the principal source of drinking water in our country and indispensable source of our life. The quality of water is of vital concern for mankind, since it is directly linked to human welfare. The present work investigated various physiochemical parameters of villages of Visnagar taluka of Mehsana district, Gujarat. Because of north Gujarat is affected by various water quality parameters like fluoride is high in many parts of north Gujarat. A total of 50 water samples will be collected from the tube wells for post-monsoon season and analyzed for the various physiochemical parameters like pH, electrical conductivity (EC), nitrate (NO3-), magnesium (Mg2+), Calcium (Ca2+), hardness, and alkalinity, sulphates (SO42-), chloride (Cl-), sodium (Na+), potassium (K+), Fluoride (F-) and total dissolved solids (TDS). The result were compared with standards prescribed by IS: 10500(2012). It was found that the ground water contaminated at 16 sampling sites namely Khadalpur, Chhogala, Sunshi, Denap, Jetalvasana, Tarabh, Visnagar Rural, Bhalak, Kamalpur (GOT), Kamalpur (KHA), Kansa, Magaroda, Pudgam, Sadutala, Thalota, Vadu while other 34 sampling sites showed physiochemical parameters within the water quality standards and quality of water is good so it is fit for drinking uses.
Proficiency testing - implementing QA/QC standards in laboratory networks; Ex...ExternalEvents
First meeting of the Global Soil Laboratory Network (GLOSOLAN), 1 - 2 Nov 2017 at FAO HQ in Rome. This network will be composed of national soil reference laboratories as a means to exchange resources, knowledge and experience. The goal of GLOSOLAN is to strengthen the performance of laboratories in support of the harmonization of soil data sets and information towards the development of standards. Indeed, the harmonization of soil analysis is a critical component of making soil information comparable and interpretable across laboratories, countries and regions. Presentations by Winnie van Vark, Wageningen University.
(originally aired 07-26-12)
U.S. EPA and many state agencies are investigating fracking in Marcellus Shale’s impact on environmental water quality. Public outcry has led to drafting legislation. Increased levels of bromide in drinking water systems correlate to higher levels of brominated disinfection byproducts. Trace metals (i.e., arsenic, selenium, lead), important constituents of flowback water, must be accurately determined for regulatory compliance, challenging due to high levels of dissolved salts which can cause physical and spectral interferences. Here, experts discuss monitoring and measuring anion concentrations in water from recycling impoundments, the typical constituents reported for Marcellus Shale fracking operations, flowback water preparation, and ICP-OES and ICP-MS metals analysis.
Similar to IQ Academy Lunch & Learn Webinar | Cost Effective Water Quality Monitoring with Dr. Craig Speed of Wardell Armstrong | August 2019 | Institute of Quarrying
Plenary talk at ISPAC conference on the use of polycyclic aromatic hydrocarbons (PAHs) in environmental forensics. Covers basics of what enviromental forensics investigations (EFIs) are and how PAHs can be used to help determine sources of releases (creosote, railway ties), oil sands development and oil spill releases (Macondo oil spill, gulf oil spill).
Countries’ presentation on internal quality control: VietnamExternalEvents
The second lab managers’ meeting of the South-East Asia Laboratory NETwork (SEALNET) took place on 19 - 23 November 2018 in ICAR-IISS (Indian Institute of Soil Science), Bhopal, India.
Mr. Phai Đỗ Duy, Central Analytical Laboratory - Soils and Fertilizers Research Institute, Vietnam (2nd Day)
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IQ Academy Lunch & Learn Webinar | ISO 45001 - Our Implementation Experience ...IQ_UK
Over 7,600 people die each day from work-related accidents or diseases - that’s over 2.78 million every year. The burden of occupational injuries and diseases is significant, both for employers and the wider economy, resulting in losses from early retirements, staff absence and rising insurance premiums.
To combat the problem, ISO has developed a new standard, ISO 45001, occupational health and safety management systems, that will help organisations reduce this burden by providing a framework to improve employee safety, reduce workplace risks and create better, safer working conditions, all over the world.
Our IQ Academy webinar for March welcomed Wayne Darwin of Tarmac, Senior HSE Manager responsible for assurance and governance to provide an insight into the implementation experience of ISO 45001. Wayne has previously held operational and SHEQ roles with Hanson and Babcock and is currently involved in a project team implementing ISO 45001 across the Tarmac business.
During the bitesize lunch & learn session Wayne takes us through what ISO 45001 is, its benefits and purpose, his experience and approach to implementing the standard along with the opportunities and learning outcomes that have arisen from this.
You can find out more about the IQ Academy and our latest upcoming webinars at www.quarrying.org
The referenced links contained within the session can be found below:
https://www.ioshmagazine.com/article/early-doors
https://www.iso.org/news/ref2271.html
https://www.iosh.co.uk/VP/Home/Toolkit/ISO-45001-resources.aspx
http://www.hse.gov.uk/managing/iso45001.htm
https://www.ukas.com/services/other-services/directory-of-accredited-organisations/certification-bodies-management-systems/
IQ Academy Lunch & Learn Webinar | Workforce Engagement and the Evolving Role...IQ_UK
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Workforce engagement is a fundamental aspect to the Quarries Regulations. The widespread establishment of safety committees was the starting point of many sites in order to facilitate worker involvement in health and safety management. Twenty years on, is it time to take a new look at the role of worker engagement and safety committees in the light of mature manufacturing excellence and performance management initiatives embedded into our operational management.
Viv is well known in the industry he has worked in for over 40 years. He is current Deputy Chair of the Institute of Quarrying, Chair of QNJAC, a member of the Strategic forum for Health and Safety in the Mineral Products Sector and has held chair roles in the British Lime Association (BLA) and European Lime Association (EuLA) safety focus groups. He has also 23 years’ experience as a School Governor including 13 years as Chair of one of the largest and most successful Special Needs school in the UK.
His interest in safety and special needs education has prompted a professional interest in workforce engagement and the challenge in changing mind-sets, behaviours and people’s beliefs.
You can find out more about the IQ Academy and our latest upcoming webinars at www.quarrying.org
IQ Academy Lunch & Learn Webinar | Incident Investigation with Colin Nottage...IQ_UK
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IMG are a leading health, safety, environment, quality and business improvement consultancy based in the UK. They provide hands on support to business through site visits, onsite training, eLearning and coaching.
Colin has headed up the organisation for the last 7 years and has grown a reputation for providing simple, sensible advice. Colin writes a blog for the Agg-Net website and also chairs the Construction Dust Partnership, a group aimed at raising awareness of harmful dusts in the construction industry.
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You can find out more about the IQ Academy and our latest upcoming webinars at www.quarrying.org
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You can find out more about the IQ Academy and our latest upcoming webinars at www.quarrying.org
IQ Academy Lunch & Learn Webinar | Water Abstraction: Reviewing the transitio...IQ_UK
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James is a nationally recognised expert in water management and water resources hydrogeology, particularly within the minerals, agricultural/horticultural and water bottling sectors, as well as the onshore oil and gas sector, and has a reputation for his tenacity with regulatory systems.
James’ professional career started in 1986 working on waste and mineral projects in the UK, before moving to South Africa in 1988. There he spent 4 years principally working on a wide range of projects in the mining industry, related both to water resources and geotechnical hydrogeology. With the same company, James returned to the UK, and spent the following 6 years progressing to Principal level. During this time, he worked on a wide range of mining projects in Europe, Africa, CIS and the Middle East, as well as developing projects in the UK within the minerals sector. In 1998, James formed Envireau Water.
The respective links within the slides are available below:
Slide 15 (Evidence): https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/682412/New_authorisations_evidence_guide.pdf
Slide 17 (EA Messages):
sam.cutler@environment-agency.gov.uk & kate.johnson1@environment-agency.gov.uk
Slide 20 (KISS):
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/682412/New_authorisations_evidence_guide.pdf
Slide 23 (Application Forms):
Environment Agency https://www.gov.uk/government/publications/application-forms-new-abstraction-licence-for-a-currently-exempt-abstraction
Natural Resources Wales
https://naturalresources.wales/permits-and-permissions/water-abstraction-and-impoundment/changes-to-water-abstraction-licensing-exemptions/?lang=en
IQ Academy Lunch & Learn Webinar | Creating Wellbeing with Dr Carolyn Yeoman ...IQ_UK
Our Lunch and Learn session for September took a look at Creating Wellbeing with Dr Carolyn Yeoman, Organisational Psychologist and Operations Director of OCAID Wellbeing Limited.
The session took a look at how organisations need to address wellbeing in the same way as they address safety, by identifying and eliminating the primary risks.
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• Why organisations should focus on Creating wellbeing ™ rather than managing stress and psychosocial risk!
• The Yeoman Bizzell Wellbeing Culture Development Model
• How to develop wellbeing cultures
• Assessing wellbeing and engagement
• Wellbeing Interventions
Carolyn is Operations Director of OCAID Wellbeing. She is an organisational psychologist with significant experience in the Health, Safety and Wellbeing field. Her aim is always to help to create sustainable change within organisations, enabling them to continuously improve their Health, Safety and Wellbeing culture.
You can uncover more about the IQ Academy and our latest upcoming webinars at www.quarrying.org
IQ Academy Lunch & Learn Webinar | Basis of Plant Design with Nick Peatling |...IQ_UK
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Specialist contractors and suppliers
Transport, dump trucks or conveyors
In pit crushing
Storage
Time scales
Costs
IQ Academy Lunch & Learn Webinar | Inspiring Futures in Mineral Extractives w...IQ_UK
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You can uncover more about the IQ Academy and our latest upcoming webinars at www.quarrying.org
IQ Academy Lunch & Learn Webinar | Dealing with Change | April 2018 | Institu...IQ_UK
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You can uncover more about the IQ Academy and our latest upcoming webinars at www.quarrying.org
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You can uncover more about the IQ Academy and our latest upcoming webinars at www.quarrying.org
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You can uncover more about the IQ Academy and our latest upcoming webinars at www.quarrying.org
IQ Academy Lunch & Learn Webinar | Water Abstraction: Understanding the Regul...IQ_UK
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Embracing GenAI - A Strategic ImperativePeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
For more information, visit-www.vavaclasses.com
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
IQ Academy Lunch & Learn Webinar | Cost Effective Water Quality Monitoring with Dr. Craig Speed of Wardell Armstrong | August 2019 | Institute of Quarrying
1.
2. Upcoming branch events
Derbyshire 18th September Tyre Management by Paul Ackroyd, KalTire
Devon & Cornwall 17th September TBC
Northern Ireland 8th – 10th September Field Trip to Breedon Hope works and JCB Factory, Derbyshire.
North Wales 24th September TBC
North of England 27th September Annual Dinner Dance
Scottish 10th September Mike Tetley, HSE - Drill & Blast Issues
West of England 9th September QNJAC - Ensuring Geotechnical Safety & Compliance by Rob Palmer,
Tarmac & Adrian Wilkinson, Land & Minerals Consulting
Yorkshire 19th September Annual H&S Day at the Scotch Corner
Branch contact details are available at quarrying.org
3. Water Quality Monitoring
Making it High Quality and Cost Effective
Dr Craig Speed
Associate Director, Water Team, Wardell Armstrong
4. What stops water quality
monitoring from being high
quality and cost effective?
Monitoring design pitfalls.
Reduced confidence in your
data though lack of quality
control checks and quality
assurance samples.
Failing to deliver cost
effectiveness by cutting the
wrong costs.
5. Introduction
Quarry operators undertake lots of monitoring.
Purpose of monitoring:
Baseline monitoring prior to quarrying (or landfilling)
Permit compliance monitoring
Investigative monitoring
Day-to-day operational control
Need to ensure that monitoring is a balance of Quality
(sampling methodology, analysis method, quality control
and quality assurance) and Cost.
Aim of webinar: Look at maximising quality of your
monitoring and the best ways to reduce cost, to optimise
Cost Effectiveness.
7. Monitoring Design Pitfall 1:
Failure to take field
measurements.
Sampling is not just filling a bottle
and sending it to the laboratory.
You should:
Take field measurements of
Temperature, pH, electrical
conductivity, dissolved oxygen (&
turbidity, redox potential?).
Use regularly calibrated hand held
multimeter (various manufacturers).
Record description of the sample
appearance/odour.
If you fail to do this:
Miss out on the full picture of
chemistry/pollution of the water
sample.
Cannot do quality control of the
laboratory data
(pH/conductivity/turbidity/redox
potential).
If you do this, you have good, early
information on the sample, condition
of the water and pollution.
8. Monitoring Design Pitfall 2:
Choice of sampling
methodology.
Again, sampling is not just filling a bottle
and sending it to the laboratory.
Bottles for certain parameters require
preservatives e.g. Ammonium,
Cyanide, Sulphide and Dissolved Metals
(Iron, Manganese and Heavy Metals).
Filtration to be done in the field (Iron,
Manganese and Heavy Metals).
The choice of laboratory often
determines sampling methods.
Best practice sample methodology
outlined in British Standard EN ISO
5667-3:2018. Samplers should know
about this.
Failure to do this results in
inaccuracies in results produced,
impacting data quality and
interpretation.
11. Why having Confidence in Your Data Is Essential
Failure of the Quality Control and
Quality Assurance (QC/QA)
systems leads to:
• Errors
• Mis-interpretation
• Need for repeat work
Proper QC/QA requires:
• Thorough review of the data
after each monitoring round.
• Appreciation of potential
problems.
• Good communication channels
with the samplers/laboratory.
There are two main types of
procedure:
1. Quality Control of
monitoring data (field
measurements & lab data)
2. Analysis of Quality
Assurance Samples
(duplicates, blanks etc).
12. Why having Confidence in Your Data Is Essential
Failure of the Quality Control and
Quality Assurance (QC/QA)
systems leads to:
• Errors
• Mis-interpretation
• Need for repeat work
Proper QC/QA requires:
• thorough review of the data
after each monitoring round.
• Appreciation of potential
problems.
• Good communication channels
with the samplers/laboratory.
There are two main types of
procedure:
1. Quality Control of
monitoring data (field
measurements & lab data)
2. Analysis of Quality
Assurance Samples
(duplicates, blanks etc).
13. Quality Control – Simple Data Checks (1/2)
Simple data validation checks, can be made to
detect/explain erroneous results, including the following:
• Comparison of field and lab values (e.g. pH, EC).
• Check Ionic Balance – should be less than 5% imbalance
between anions and cations.
• Total Dissolved Solids versus Electrical Conductivity –
most groundwater will have Total Dissolved Solids 0.55-
0.75 times the Electrical Conductivity (in µS/cm).
• High dissolved Aluminium concentrations – only
possible at acidic or alkaline pHs (not pH7).
14. Quality Control – Simple Data Checks (2/2)
Incompatible ions – NO3 in presence of Fe2+ or
NO3 in the absence of dissolved oxygen.
Unspecified form of units e.g.
• Nitrate as N, Nitrate as NO3 NOT JUST NO3 (mg/l).
• Ammoniacal Nitrogen (NH4 as N) NOT JUST NH4
(mg/l)
• Bicarbonate Alkalinity or Carbonate Alkalinity as
CaCO3, NOT JUST Bicarbonate Alkalinity (mg/l).
A Total Metal concentration less than Dissolved
Metal concentration.
Level of detection above the water quality
standard (e.g. EQS, DWS) – check this when
you’re organising the analyses.
NO3
-
Fe2+
Donald Langmuir, 1997.
15. Quality Assurance Samples - Introduction
Duplicates and blanks;
QA samples should be obtained and comprise 10% of
samples;
For high importance samples (e.g. to support
legal/expert witness) the percentage QA samples should
be increased.
16. Quality Assurance Samples - Types
Group Type Description Assessment Purpose
Field Blanks Trip Blank Water sent by Lab Volatiles
Field Blank Sample prepared in
field
Sample contamination.
Equipment
Blank
Sample using
decontaminated field
equipment
Decontamination
process
Lab Blanks Instrument
Blank
Blank analysed with
samples
Instrument
contamination
Method Blank Reagents/internal
standards analysed
Lab
background/reagent
contamination
Quality
samples
Duplicate
Samples
Samples made by
splitting sample.
Processing/instrument
variability
Spiked
Samples
Spike of solution
added to sample.
Identify organic
compounds with
variable recovery.
Adapted from Trick et al 2008
17. Blank Samples
Check of sample contamination.
Need to use laboratory grade de-ionised (distilled) water.
Types:
Field Blanks – sample of de-ionised water prepared at randomly chosen sample
location, then analysed at lab. Represents assurance of no sample contamination
during sample preparation or laboratory processes.
Trip Blanks – sample of de-ionised water prepared at laboratory, goes on sample
round with sample bottles, then analysed at lab. Represents assurance of no
contamination by Volatile Organic Compounds (VOCs).
If anything is detected, should first be checked with the laboratory for errors
and check by repeat analysis.
19. Duplicate Samples
Check of analytical precision for the sample round.
Two (or more) samples collected at the same
monitoring point.
Types:
Consecutive duplicates – two samples collected at the
same monitoring point one after the other. Represents
precision of analysis plus environmental variability.
Split duplicates – two samples from the same monitoring
point prepared by collecting one large sample (e.g. 2
litres), mixing it well and decanting it into two bottles.
Represents precision of laboratory analysis only.
Should be anonymised / not identified as a duplicate
on label.
Checked using Relative Percentage Difference (%) or
RPD. Should be <10%. Any exceedance should be
checked with the laboratory.
21. Achieving Sensible Cost
Reductions
A high quality approach should lead to Cost Effectiveness
(avoid unnecessary costs due to errors etc).
Any parameter (or group of parameters) should have a
purpose, whether that be compliance, conceptual model
understanding or quality control.
Problem:
How to achieve cost reductions in sampling?
Possibilities include reducing number of sampling
points, number of parameters sampled or sample
frequency.
However, reducing sampling points not good for
understanding of the site and reducing parameters
narrows down the chemical picture.
Solution
Reductions in sample frequency under agreement with
the Environment Agency (if necessary) is best.
See Case Study….
22. Achieving Sensible Cost Reductions:
CASE STUDY – Monthly Compliance
Monitoring.
Introduction
Hypothetical
Baseline monitoring required by the Environment Agency
Monthly over 12 months.
5 samples are required each round.
Parameters needed to include pH, chloride, sediment, hydrocarbons, PAHs
and heavy metals.
Laboratory analysis costs are indicative.
23. CASE STUDY –
Monthly Compliance Monitoring
Month Parameters January February March April May June July August September October November December
Number of samples 5 5 5 5 5 5 5 5 5 5 5 5
Basic Monitoring Field Physico-chem (pH etc)
Lab Physico-chem (pH etc)
Suspended Solids (TSS)
Major Ions
Hydrocarbons
Poly-Aromatic Hydrocarbons (PAHs)
Heavy Metals
Sampling Strategy Field Physico-chem (pH etc)
2 frequencies Lab Physico-chem (pH etc)
-Monthly Suspended Solids (TSS)
-Quarterly Major Ions
Hydrocarbons <LOD <LOD <LOD <LOD
Poly-Aromatic Hydrocarbons (PAHs) <LOD <LOD <LOD <LOD
Heavy Metals <LOD <LOD <LOD <LOD
Sampling Strategy Field Physico-chem (pH etc)
Response to Lab Physico-chem (pH etc)
Detections Suspended Solids (TSS)
Major Ions
Hydrocarbons <LOD <LOD <LOD Detect Detect <LOD
Poly-Aromatic Hydrocarbons (PAHs) <LOD <LOD <LOD <LOD
Heavy Metals <LOD Detect Detect Detect Detect Detect <LOD <LOD
26. Conclusions
Key Thoughts/Questions:
Think of monitoring as cyclic.
Data quality starts at the design
stage.
There are numerous pitfalls to
designing and implementing
monitoring.
Quality control of data is essential.
Sampling should include quality
assurance samples to provide
confidence.
Cost effectiveness starts with high
quality methods.
Cost reduction is best achieved by
a dual frequency monitoring
strategy.
Monitoring Design
Monitoring
Implementation
Review of
Monitoring Data
Review and
Amend Design
28. British Standard EN ISO 5667-3:2018. Water quality – Sampling Part 3:
Preservation and handling of water samples.
Donald Langmuir, 1997. Aqueous Environmental Geochemistry (The Redox
Behaviour of Natural Systems).
Trick, J.K.; Stuart, M.; Reeder, S. 2008 Contaminated groundwater sampling
and quality control of water analyses. In: de Vivo, B.; Belkin, H.E.; Lima, A.,
(eds.) Environmental geochemistry: site characterization, data analysis and
case histories. London, UK, Elsevier, 29-57.
References
Editor's Notes
Having a large data set is good, but having a high quality data set is better.
Field physico-chemical measurements of pH and electrical conductivity provide a quality control of laboratory pH and electrical conductivity measurements
Field measurement of dissolved oxygen and ORP together with laboratory measurements of redox sensitive parameters (e.g. ammonium, nitrate, iron, manganese, arsenic) provide a clear picture of redox conditions
Sampling duplicates, where two sets of samples are taken at one location; trip blanks of de-ionised water prepared in the laboratory sent into the field to test for cross contamination in the laboratory; or field blanks, de-ionised water samples prepared in the field to check for sample cross contamination in the field, are the most common forms of QC samples. QC samples should increase from 10% for more critical monitoring.