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Handbook for Analytical Quality Control in Water and Wastewater Laboratories from March 1979

Handbook on quality control for chemical and biological tests is addressed to lab directors, leaders of field investigations, and others with responsibility for waste and wastewater data.

Handbook for Analytical Quality Control in Water and Wastewater Laboratories: March 1979 (pdf) (March 1979, EPA-600/4-79-019)
Handbook on quality control for chemical and biological tests is addressed to lab directors, leaders of field investigations, and others with responsibility for waste and wastewater data.