OP Pesticide Mix B Back Catalog number: 94803 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91875 EPA Method 8330Mix #1A Price on request 683699 Acetylsalicylic acid, 100 µg/ml, Acetonitrile, 1 Price on request 0265.20-200-T Benzo[k]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 207-08-9 Price on request