EPA Method 619 - Triazine Pesticides Back Catalog number: 40017 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 8874.4-K-IO Pyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 3734.12-100-IO 2,3,4'-Trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 38444-86-9 Price on request 677950 Tetrachlorvinphos, 250mg Price on request