Washington § 90.48.585 - Water quality data — When credible.

Full text of Washington Revised Code of Washington § 90.48.585 — Water quality data — When credible., with citation guidance and answers to common questions.

§ 90.48.585. Water quality data — When credible.

(1) In collecting and analyzing water quality data for any purpose identified in RCW 90.48.580(2), data is considered credible data if:
(a) Appropriate quality assurance and quality control procedures were followed and documented in collecting and analyzing water quality samples;
(b) The samples or measurements are representative of water quality conditions at the time the data was collected;
(c) The data consists of an adequate number of samples based on the objectives of the sampling, the nature of the water in question, and the parameters being analyzed; and
(d) Sampling and laboratory analysis conform to methods and protocols generally acceptable in the scientific community as appropriate for use in assessing the condition of the water.
(2) Data interpretation, statistical, and modeling methods shall be those methods generally acceptable in the scientific community as appropriate for use in assessing the condition of the water.
(3) The department shall develop policy:
(a) Explaining how it uses scientific research and literature for developing and reviewing any water quality standard or technical model used to establish a total maximum daily load for any water of the state;
(b) Describing the specific criteria that determine data credibility; and
(c) Recommending the appropriate training and experience for collection of credible data.
[ 2004 c 228 s 4.]

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Frequently Asked Questions About Washington § 90.48.585

What does Revised Code of Washington § 90.48.585 cover?

Section 90.48.585 ("Water quality data — When credible.") is part of the Revised Code of Washington, the codified statutory law of Washington. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.

How do I cite Washington § 90.48.585?

A common citation format is "Revised Code of Washington § 90.48.585" (Washington). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.

Is this the official text of Washington law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Washington official source linked on this page or consult a licensed Washington attorney.

How does Washington § 90.48.585 apply to my situation?

Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Washington can advise on how this section applies to you. Contact your state or local bar association for a referral.

Sources & Verification

Not legal advice. Verify against the official source and consult a licensed attorney in Washington.