EPA Method 624 Analytes Back Catalog number: 40120 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3750.6-100MG 1,2,3,4-Tetrachlorobenzene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 634-66-2 Price on request 73518 Atrazine-desisopropyl-2-hydroxy Price on request 673136 2,4,6-Trichlorophenol, 250mg Price on request