EPA Method 508.1 & 525.2 Pesticide Standard Back Catalog number: 91970 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51019 Naphtha Price on request 11687.12-100-IO 2,2',3,6'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request S-4684-ASS-100W Custom Mix Bergenbier B, in water 8902. acetaldehyde 5 ppm 0185. DMS (dimethyl sulfide) 50 ppb 2271. ethyl-acetate Price on request