EA
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Resources and Publications
Here you will find more information about Green Tier, environmental management systems, and guidelines on annual reporting. These documents are designed to inform potential applicants and to help current Green Tier participants to be successful in…
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Applications for Registration and Certification
Applications are for direct accreditation with the Wisconsin Department of Natural Resources (DNR).The DNR is not a National Environmental Laboratory Accreditation Program (NELAP) accrediting authority. The DNR does not recognize NELAP…
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Training
These resources are provided as guidance and may not reflect current acceptable practices in compliance testing.
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Private Well Water Testing
Locating a laboratory to perform drinking water testing can be a confusing proposition. The phone book will likely provide a list; however, you may want the laboratory you choose to be credentialed in some manner. Testing to Have Performed on…
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Proficiency Testing (PT)
Proficiency testing samples are prepared by an approved, third party vendor to contain a known (only to the vendor) concentration of one or more target analytes.
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Spreadsheets, forms, checklists and documents
The laboratory can customize these spreadsheets, forms, checklists and documents to help with laboratory testing and fit their needs.
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NR 149 Code Updates
An update to administrative code, chapter NR 149, has been completed. This update was published on March 1, 2021. The effective date is June 29, 2021. NR 149 - June 2021 On March 19, 2021, Brandy Baker-Muhich provided a Webinar on how this new…
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Method Detection Limit (MDL)
"Method detection limit," or "MDL," means the minimum measured concentration of a substance that can be reported with 99% confidence that the measured concentration is distinguishable from method blank results. The MDL is generated according to the…
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Analyte Groups
"Analyte group" means a set of analytes that can be determined using the same method or technology and that constitutes a unit, acknowledged by the department, of the third tier of accreditation under s. NR 149.13 (4).The selection of an analyte…
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Annual Certification and Registration Renewal
Once your laboratory becomes certified or registered with the Wisconsin DNR Laboratory Accreditation Program, you will need to complete the following two tasks each year.