EPA's responses to ELAB products and reports are listed below.
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- EPA March 14, 2019 Response to ELAB Regarding Approvals and QAPP with OGWDW Comments (PDF)(2 pp, 455 K)
- EPA March 14, 2019 Response to ELAB Regarding Performance Criteria and SIM with Program Comments (PDF)(10 pp, 2 MB)
- EPA February 7, 2019 Response to Letter to EPA Regarding Drinking Water Method Approvals (PDF)(2 pp, 299 K)
- EPA November 16, 2018 Response to ELAB Final Minimum Criteria for Selection Ion Monitoring Methods (SIM) (PDF)(1 pg, 234 K)
- EPA November 16, 2018 Response to ELAB Letter Regarding User-Generated Mass Spectral Libraries and Tuning Criteria (PDF)(1 pg, 241 K)
- ELAB October 17, 2018 Reply to EPA Response Letter Regarding Laboratory Involvement in the Quality Assurance Project Plan Development Process (PDF)(5 pp, 239 K)
- ELAB October 17, 2018 Reply with Final Minimum Criteria for Selected Ion Monitoring (SIM) Methods (PDF)(4 pp, 212 K)
- EPA August 1, 2018 Response to ELAB on Drinking Water Certification Course (PDF)(4 pp, 1 MB)
- EPA July 16, 2018 Response to ELAB Letter and Attachment to EPA Regarding Preservation of Wastewater Samples Tested for Acrolein and Acrylonitrile (PDF)(1 pg, 193 K)
- EPA July 16, 2018 Response to ELAB Regarding Second Draft of Minimum Criteria for Selected Ion Monitoring (SIM) Methods (PDF)(2 pp, 322 K)
- EPA April 5, 2018 Letter to ELAB Regarding Cyanide Testing in Drinking Water (PDF)(1 pg, 260 K)
- EPA December 20, 2017 Reply to ELAB with Attachments Regarding Selected Ion Monitoring (SIM) Methods (PDF)(9 pp, 168 K)
- EPA September 26, 2017 Reply to ELAB Regarding Selected Ion Monitoring (SIM) Methods (PDF)(1 pg, 32 K)
- EPA July 31, 2017 Response to ELAB Regarding Recommendations for Drinking Water Cyanide Testing (PDF)(2 pp, 240 K)
- EPA June 27, 2017 Response to ELAB Regarding Whole Effluent Toxicity Proficiency Testing (PDF)(1 pg, 129 K)
- EPA October 3, 2016 Response to ELAB on Method Harmonization (PDF)(3 pp, 35 K)
- EPA August 1, 2016 Reply to ELAB Letter Regarding the Quality Assurance Project Plan (QAPP) (PDF)(1 pg, 44 K)
- EPA June 30, 2016 Letter to ELAB Regarding Method Harmonization (PDF)(1 pg, 300 K)
- EPA June 9, 2015 Response Attachment to Selected Ion Monitoring (SIM) (PDF)(8 pp, 5 MB)
- EPA September 15, 2014 Response to ELAB Letter on Method Harmonization (PDF)(2 pp, 401 K, 09/15/2014)
- EPA March 10, 2014 Response to ELAB Report on the Impact of the Helium Shortage on the Analytical Community (PDF)(1 pg, 187 K, 03/10/2014)
- EPA September 6, 2013 Response to ELAB Letter Regarding Compound Inconsistency (PDF)(3 pp, 47 K, 09/06/2013)
- EPA February 19, 2013 Response to ELAB Recommendations Regarding the State of National Accreditation (PDF)(4 pp, 1 MB, 02/19/2013)