Publisher |
U.S. Dept. of Health, Education, and Welfare, Public Health Service, Bureau of State Services, Division of Water Supply and Pollution Control, Basic Data Branch, Water Quality Section, |
Abstract |
Contents: The national water quality network (laboratory analyses, sampling); General instructions (sampling schedules, shipping instructions, assistance with sampling, laboratory, and other operational problems); Carbon filter sampling (installation of sampling equipment, presettling, prefilter, and backwash, filter arrangement, pumping, collection of sample, precautions, shipping); Collection of samples for radioactivity measurements; Collection of sample for plankton analysis; Membrane filter delayed incubation procedure (supplies, sampling, shipping); Chemical and physical analyses (standard reagents, total alkalinity, chloride, chlorine demand, color, hardness, ammonia nitrogen, hydrogen ion concentration (pH), total dissolved solids, sulfate, temperature, turbidity, dissolved oxygen (D.O.), biochemical oxygen demand (B.O.D), chemical oxygen demand (C.O.D), determination of phosphate (orthy plus poly)); Handling of analytical data (Reporting of results, presentation of results). |