EPA Method 624 Surrogate Standard Back Catalog number: 19112 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673529 4,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 70476 Benzo(j)fluoranthene Price on request 0490.8-K-IO 2,2'-Dithienyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 492-97-7 Price on request