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The Colilert System for Total Coliforms and Escherichia Coli
註釋Describes a method to test drinking and source water for a group of general sentinel bacteria and specifically for E. coli, using nothing more than an incubator and an ultraviolet light. Designed to help utility companies comply with new standards. No index. Catalog number 90576DJ. Annotation copyrighted by Book News, Inc., Portland, OR