Learn the Issues
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6. How should laboratory personnel perform DMR-QA tests?
For all pollutant parameters, especially field test parameters (e.g., pH, residual chlorine), use the same personnel, equipment, test methods and procedures as required for NPDES compliance monitoring tests. Ensure that your test methods and procedures follow 40 CFR part 136 regulations.
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5. What laboratory tests are required under DMR-QA?
Permittees are responsible for having their laboratory(ies) test wastewater analytes that are both in their NPDES permit and included in the DMR-QA Study. For required Whole Effluent Toxicity (WET) tests, permittees must participate even if the test conditions (e.g., temperature, time of acute test, synthetic seawater matrix, etc.) in the…
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4. What should permittees and laboratories do first?
Permittees should first confirm receipt of the DMR-QA study package by the stated Address Verification deadline in the DMR-QA announcement sent by EPA. See the Address Verification form instructions in the DMR-QA package and submit the acknowledgement of receipt to the state DMR-QA coordinator via postal mail or e-mail. Permittees…
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What You Can Do About Climate Change — Energy
Home page linking to pages with tips for fighting climate change at home, at the office, on the road and at school.
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What You Can Do About Climate Change — Waste
Waste tips for fighting climate change at home, at the office, on the road and at school.
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3. Where can laboratories get test samples?
Laboratories (in-house and contract) may order the required DMR-QA Study samples from a Proficiency Test (PT) Provider accredited by the American Association for Laboratory Accreditation (A2LA) or the ANSI National Accreditation Board (ANAB). A list of chemistry, microbiology and Whole Effluent Toxicity (WET) accredited PT Providers is included in the…
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What You Can Do About Climate Change — Transportation
Transportation tips for fighting climate change at home, at the office, on the road and at school.
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What You Can Do About Climate Change — Do More
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What You Can Do About Climate Change — Water
Water tips for fighting climate change at home, at the office, on the road and at school.
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2. What is the purpose of this DMR-QA Study?
The purpose of the Discharge Monitoring Report - Quality Assurance (DMR-QA) Study is to ensure the integrity of data submitted by the permittee for DMR reporting requirements and evaluate performance of the laboratories to analyze wastewater samples.
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1. Am I required to participate in this Discharge Monitoring Report – Quality Assurance (DMR-QA) Study?
NPDES Major and select Minor permit holders are required to participate in DMR-QA studies. Be sure to verify the NPDES permit number as indicated in your DMR-QA announcement that was e-mailed by DMRQA@epa.gov , or if a printed copy was mailed to you via U.S. mail, as printed on the…
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Pesticide Producing Establishments: Frequent Questions
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