Source Water Microbe - SM 9221, WS
Description
Each Sample is one lyophilized quantitative standard containing E. coli in the range 20-200 MPN/100mL. Use with SM 9221 or equivalent multiple tube fermentation methods. Each standard can be used for Total Coliform, Fecal Coliform and E. coli.
5.00 mg/L C from NIST KHP -- 1 L
Item No.
12600