Nitrate sampling procedure.
Contributors: Washington (State). Office of Drinking Water.
Series: DOH PUB -- #331-222; DOH publication -- #331-222.
Publisher: Washington State Dept. of Health, Division of Environmental Health, Office of Drinking Water
Published: 2006
Place of publication: [Olympia, Wash.]
Language: eng
Subjects: Drinking water -- Sampling -- Washington (State); Water-supply -- Washington (State) -- Testing; Nitrates -- Measurement
Notes: "October 2006 (Updated)."

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