EPA Method 525 Pesticide Standard Back Catalog number: 92189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71485 Dibutylamine Price on request 2629.35-50-IO 17ß(H),21 alpha(H)-(22RS)-Pentakishomohopane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 40016 PAH Mix (16 anal.), 100µg/mL in Acetonitrile, 1ml Price on request