Method 532 Surrogate Standard Back Catalog number: 30197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673620 gamma-HCH, 100 µg/ml, Ethyl acetate, 5ml Price on request 55203 Ammonium- Nitrate-Nitrite in brine Price on request 94803 OP Pesticide Mix B Price on request