EPA Method 525.1 Standard Back Catalog number: 94572 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-FC92S-1.2ML 4,4'-DDT (ring-13C12), 100ug/ml in n-Nonane, 1,2ml Price on request 674818 D5-Benzoic acid, 500mg Price on request 672853 Fluazifop-P-butyl, 100mg Price on request