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Management
Environmental Management Systems
Question | Answer |
---|---|
What are two reasons you would perform environmental sampling? | Study the effectiveness of remediation Compare pollutant to regulatory limit Measure pollutants before new development Measure pollutants to assess toxicity |
What are the results of using a quality management system to perform environmental sampling? | Scientifically valid and legally defensible. |
What is a quality management system? | a series of connected procedures/components used to obtain a high degree of excellence |
Differentiate between quality assurance and quality control? | Assurance is a declaration that the end result the quality is achieved. Control is the techniques used to achieve the end result. |
What are the five steps of environmental sampling? | Plan, SOPs, collection, analysis, and reporting |
What are the five components of quality assurance? | Commitment/written policy, plan, implementation, check/correct, management review |
How often do external audits take place? | Every three years. |
What percentage of operational costs does quality assurance take up? | 15-20% |
What does quality control detect? | Error, bias, and trends |
What are three types of error? | Systematic-same error done repeatedly Determinate- procedure not followed Random |
How would you correct a systematic error? | Use a correction factor. |
Differentiate between certification and accreditation. | Certification is the acknowledgement that SOPs are used. Accreditation is a formal recognition of competency. |
What are some benefit of being accredited? | International trade, market shares, commitments. |
What does ISO stand for? | International Organization for Standardization |
What does OECD stand for? | Organization for Economic Co-op and Development |
Who is Canada's representative to ISO? | The standards council of Canada |
What acronym describes the standards council of Canada? | SCC |
What does CALA stand for? | Canadian Association for Laboratory Accreditation |
ISO14000 is for which type of standards? | Environmental |
What are the 6 mandates of ISO 14000 policiies? | Compliance with acts Policy is relevant Policy is communicated and understood There are objectives and targets There is continual improvement Public concerns are addressed |
What are two types of control charts? | Shewart and R |
What is the assumption when using a control chart? | That the measured parameter does not change over time. |
What three things must you consider when interpreting Shewart charts? | Warning limits Control limits Rule of Seven |
What is the Rule of seven? | Any 7 consecutive points above or below the mean must be investigated. |
What does cycling on an R chart indicate? | Anthropogenic activity or seasonality |
Differentiate between a process lab and an environmental lab. | Environmental labs look for trace amounts in a complex matrix; process labs usually deal with larger concentrations and purities. |
How often should you be doing analysis calibrations? | Every data set |
What are the five Ps of the logbook? | Place, people, procedures, physical measurements, and pictures |
Differentiate between a field blank and a trip blank. | A field blank is exposed to the conditions but is not used for analysis. A trip blank assess contamination with the filter itself and/or contamination from storage and handling. |
How many blanks and spikes would you use per batch? | One spike, one blank, one set of duplicates, and one choice. |
What is the difference between a matrix spike/duplicate and a lab duplicate? | A matrix spike is done by the analyst and a lab duplicate is submitted as a sample by admin. Both are to assess accuracy and precision. |