Guidance Documents

• Certification of Low Flow Parameters Guidance Document (July 2024)
  Letter | Guidance Document | Low Flow Parameters Checklist
• Important Notice Regarding Application Process Policy (May 2011)
• pH Monitoring – A generic Standard Operating Procedure (SOP) for pH Monitoring has been developed by the OQA. The document provides an outline for businesses to follow when preparing an SOP to become certified. (Updated October 5, 2023)
• Continuous pH Monitoring – A generic Standard Operating Procedure (SOP) for Continuous pH Monitoring has been developed by the OQA. Please see this link for direct and indirect calibration procedures. (Updated October 5, 2023)
• Temperature Monitoring- A generic Standard Operating Procedure (SOP) for temperature monitoring has been developed by the OQA.  The document provides an outline for businesses to follow when preparing an SOP for certification (July 2024)

Laboratory Assessment Checklists

• Gross Alpha-Beta in Drinking Water & NJ 48-Hour Rapid Gross Alpha Test Method Checklist
• Tritium in Drinking Water Checklist
• The NELAC Institute (TNI) Checklist