EPA Method 508 - Performance Check Solution Back Catalog number: 19132 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673255 Dichlorvos, 100 µg/ml, Acetonitrile, 5ml Price on request 2938.6-100-IO Dimethyl-d6 tetrachloroterephthalate, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 350818-66-5 Price on request 675609 Flumetralin, 100 µg/ml, Ethyl acetate, 5ml Price on request