EPA Method 622.1 Analytes Back Catalog number: 40019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682120 Desacetyl cephapirin sodium salt, 10mg Price on request 2229.12-100-IO 4'-Fluoro-2,4,6-trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 876009-92-6 Price on request 9367.20-100-IO Di-n-hexyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1015854-55-3 Price on request