EPA Method 300.0 Anions QC Standard Back Catalog number: 50332 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678052 Acetochlor ESA sodium salt, 100µg/ml in Acetonitrile, 1ml Price on request B4IPPPP Bis(4-isopropylphenyl) phenyl phosphate, 1.2ml x 50ug/ml, toluene Price on request ENDOS-S Endosulfan Sulfate, 1.2mL x 100ug/mL, nonane Price on request