EPA Method 524.3Gases Back Catalog number: 95490 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3125.18-100-IO Benzyl-n-butyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93951-88-3 Price on request 0723.12-K-IO 1,4-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 571-58-4 Price on request 674921 D8-4,4'-DDT, 10mg Price on request