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1. Handbook for analytical quality control in water and wastewater laboratories / United States Environment Protection Agency. Environmental Monitoring and Support Laboratory.

by Analytical Quality Control Laboratory | United States. Environmental Protection Agency | United States. Environmental Protection Agency. Technology transfer.

Call number: 628.16 EPA 1979 Ref. Material type: book Book; Format: print Publisher: Cincinnati, 1979Availability: Items available for reference: [Call number: 628.16 EPA 1979 Ref.] (1).

2. Handbook for analytical quality control in water and wastewater laboratories / for U. S. Environmental Protection Agency, Technology Transfer, by Analytical Quality Control Laboratory, National Environmental Research Center.

by Analytical Quality Control Laboratory | United States. Environmental Protection Agency. Office of Technology Transfer.

Call number: 628.16 EPA Ref. Material type: book Book; Format: print Publisher: [s.l. : s.n.], 1972Availability: Items available for reference: [Call number: 628.16 EPA Ref.] (2).