EPA Method 8330 Analyte Back Catalog number: 79247 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50613 Chloride 20 µg/mL (Cl-) Price on request 91902 Acids Standard Price on request 679732 D3-2-Methyl-4-isothiazolin-3-one hydrochloride, 10 Price on request