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State, CDFA validate three new drinking‑water methods; ELAP accreditation available
Summary
The State Water Resources Control Board received an informational presentation on November 4 from the Division of Drinking Water (DDW) and the California Department of Food and Agriculture Center for Analytical Chemistry (CDFA CAC) on three analytical methods developed for drinking‑water monitoring.
The State Water Resources Control Board received an informational presentation on November 4 from the Division of Drinking Water (DDW) and the California Department of Food and Agriculture Center for Analytical Chemistry (CDFA CAC) on three analytical methods developed for drinking‑water monitoring.
The methods — for saxitoxins, benzotriazoles and trifluoroacetic acid (TFA) — were developed by CDFA CAC under an interagency agreement with DDW and then evaluated in multilaboratory validation studies involving eight participating labs. Assistant Deputy Director Robert Brownwood said the project produced “three methods for us, drinking water methods for the division of drinking water.”
Why it matters: the availability of standardized, validated laboratory methods is necessary before regulatory programs can rely on routine monitoring and reporting. Accreditation through the Environmental Laboratory Accreditation Program (ELAP) enables commercial and…
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