Check the Docket for More Information: Comments and responses made to Federal Register Notices are contained within the docket corresponding to each notice.

• 2018 Products and Responses
• 2017 Products and Responses
• 2016 Products and Responses
• 2015 Products and Responses
• 2014 Products and Responses
• 2013 Products and Responses
• 2012 Products and Responses

2018 ELAB Products

• October 17, 2018: Letter to EPA Regarding Drinking Water Method Approvals
  • February 7, 2019: EPA Response to Letter to EPA Regarding Drinking Water Method Approvals
  • March 14, 2019: EPA Response to Letter to EPA Regarding Drinking Water Method Approvals with Cover Letter

• September 19, 2018: Letter to EPA Regarding User-Generated Mass Spectral Libraries and Tuning Criteria
  • November 16, 2018: EPA Response to ELAB Letter Regarding User-Generated Mass Spectral Libraries and Tuning Criteria
  • March 14, 2019: EPA Response to ELAB Letter Regarding User-Generated Mass Spectral Libraries and Tuning Criteria with Program Comments

• May 16, 2018: Letter and Attachment to EPA Regarding Preservation of Wastewater Samples Tested for Acrolein and Acrylonitrile
  • July 16, 2018: EPA Response to ELAB Letter and Attachment to EPA Regarding Preservation of Wastewater Samples Tested for Acrolein and Acrylonitrile

• March 8, 2018: Letter to EPA regarding Cyanide Testing in Drinking Water
  • April 5, 2018: EPA Response to ELAB letter regarding Cyanide Testing in Drinking Water
  • April 18, 2018: Letter to EPA Regarding ELAB Letter Regarding Cyanide Testing in Drinking Water

2017 ELAB Products

• October 26, 2017: Letter to EPA with ELAB Suggestions for the Drinking Water Certification Officer’s Training Course
  • August 1, 2018: EPA Response to ELAB on Drinking Water Certification Course

• May 17, 2017: Letter to EPA in Regard to Whole Effluent Toxicity (WET)
  • June 27, 2017: EPA Response to ELAB Regarding Whole Effluent Toxicity Proficiency Testing (WET)

• April 18, 2017: Letter to EPA Regarding Method 6010d

• April 17, 2017: Letter to EPA Regarding SIM
  • September 26, 2017: EPA Reply to ELAB Regarding Selected Ion Monitoring (SIM) Methods
  • December 20, 2017: EPA Reply to ELAB Regarding Selected Ion Monitoring (SIM) Methods
  • May 16, 2018: Reply and Attachment to EPA Regarding Minimum Criteria for Selected Ion Monitoring (SIM) Methods
  • July 16, 2018: EPA Response to ELAB Regarding Second Draft of Minimum Criteria for Selected Ion Monitoring (SIM) Methods
  • October 17, 2018: Reply with Final Minimum Criteria for Selected Ion Monitoring (SIM) Methods
  • November 16, 2018: EPA Response to ELAB Final Minimum Criteria for Selection Ion Monitoring (SIM) Methods
  • March 14, 2019: EPA Response to ELAB Final Minimum Criteria for Selective Ion Monitoring (SIM) Methods with Program Comments

• March 2017: Cyanide Technical Report March 2017

• June 26, 2017: Letter to EPA on Cyanide
  • July 31, 2017: EPA Response to ELAB Regarding Recommendations for Drinking Water Cyanide Testing

2016 ELAB Products

• April 28, 2016: Letter to EPA Regarding Laboratory Involvement in the Quality Assurance Project Plan Development Process. Plus Attachment
  • August 1, 2016: EPA Response Letter to ELAB Letter Regarding Laboratory Involvement in the Quality Assurance Project Plan Development Process
  • October 17, 2018: Reply to EPA Response Letter Regarding Laboratory Involvement in the Quality Assurance Project Plan Development Process
  • March 14, 2019: EPA Response Letter to ELAB October 2018 Letter Regarding Laboratory Involvement in the Quality Assurance Project Plan Development Process

• March 17, 2016: Letter to EPA regarding Method Harmonization Update and Method Comparisons
  • June 30, 2016: EPA Response Letter to ELAB Letter regarding Method Harmonization Update and Method Comparison
  • October 3, 2016: Additional EPA response letter to ELAB Letter regarding Method Harmonization Update and Method Comparison
  • April 17, 2017: Method Harmonization Response Letter to EPA

2015 ELAB Products

• December 16, 2015: Letter and Attachments to EPA Regarding Reporting of Compliance Data With Qualifiers That Do Not Impact Data Usability

• May 20, 2015: Letter to EPA in regard to the Clean Water Act Method Update Rule for Analysis of Effluent

2014 ELAB Products

• October 22, 2014: Letter to EPA regarding Selected Ion Monitoring

• July 29, 2014: Letter to the EPA Office of Solid Waste and Emergency Response regarding the Intergovernmental Data Quality Task Force

• June 20, 2014: Letter to EPA regarding Method Harmonization
  • September 15, 2014: Response to ELAB Letter on Method Harmonization

• June 19, 2014: Letter and Study Report to EPA on Analysis Requirements and pH Preservation for Acrolein and Acrylonitrile

• March 10, 2014: Response to ELAB Report on the Impact of the Helium Shortage on the Analytical Community

• March 3, 2014: Letter to EPA in regards to Clean Water Act Method Update Rule

• February 28, 2014: Letter to EPA regarding the Method Update Rule

• January 28, 2014: Comments to EPA Office of Resource Conservation and Recovery about SW-846 Update V

2013 ELAB Products

• December 18, 2013: Letter to Forum on Environmental Measurement at EPA regarding the Clean Water Act Method Update Rule

• July 23, 2013: Comments to the EPA Office of Water per request for their review and feedback to Method 608 Revision A before posting in the Federal Register

• June 24, 2013: Letter to EPA regarding Comments on Draft Methods 624B and 625B

• June 24, 2013: Letter to EPA regarding Compound Identification Inconsistency
  • September 6, 2013: Response to ELAB Letter Regarding Compound Inconsistency

• February 21, 2013: Letter to EPA regarding Comments on Proposed Revisions to Methods 624 and 625

2012 ELAB Products

• November 2, 2012: Letter to EPA Forum on Environmental Measurements in regard to the National Environmental Laboratory Accreditation Program
  • February 19, 2013: Response to ELAB Recommendations Regarding the State of National Accreditation