EPA Method 624 Standard Back Catalog number: 41121 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674922 D7-Malaoxon, 5mg Price on request 2004.12-100-IO 2,2',4,4',5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35065-27-1 Price on request XA11320000AL Chloridazon, 100µg/mL in Acetonitrile, 1ml Price on request