EPA Method 524 & 624 - Internal Standard Back Catalog number: 19794 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C11020500 Carbophenothion-methyl, 10mg Price on request DEC-604CB Dechlorane 604 Component B, 1.2ml x 50ug/ml, toluene Price on request 32451 1,1,1-Trichloroethane Price on request