EPA Method 642 - Analytes Back Catalog number: 40057 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 3594.55-1MG Chlorophyll B, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 519-62-0 Price on request 10228.14-100-ME Benzyl 2-hydroxybenzoate-3,4,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219802-40-0 Price on request