Modified 525.2 Pesticide Standard #1 Back Catalog number: 31006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8750.12-50-IO 4,4'-Dibromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2050-47-7 Price on request 680442 alpha-HCH, 100 µg/ml, Methanol, 1ml Price on request 79588 Isofenphos Price on request