EPA Method 8032 Internal Standard Back Catalog number: 80303 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11682.12-100-IO 3,4,5-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 675546 Chlorbufam, 10.0 µg/ml, Acetonitrile, 10ml Price on request 675722 Iprobenfos, 100 µg/ml, Ethyl acetate, 5ml Price on request