The interactive timeline guidance tool captures the common questions regarding when certain items should be completed to maintain a laboratory’s accreditation. Based on a laboratory’s inputted expiration date, ELAP provides recommended dates or timeframes for when best to perform PTs, schedule and complete the on-site assessment, and submit the renewal application. This tool also includes the calculated regulatory deadlines for each item, however, the tool does have some limitations, as it cannot adequately address or provide recommendations for laboratories who have an interim certificate or are located outside of California.
The Technical Notice below identifies allowances granted for drinking water methods. Both methods EPA 524.3 and 524.4 can eliminate the refrigerated autosampler requirement if the laboratory follows guidance and requirements in the Notice.
Aug. 10, 2022: Allowance Granted for Drinking Water Methods
This document identifies the naming convention used by ELAP and future Water Board databases. While ELAP makes efforts to update all FOAs to match this convention, some may be dictated by state agency requirements:
ELAP Method Naming Convention Guidance Document
This document provides clarification and information regarding laboratory testing of hexavalent chromium following the Division of Drinking Water’s new 2024 rule.