EPA Method 500 Internal Standard #6 Back Catalog number: 30169 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2779.12-100-AN Diazinon, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 333-41-5 Price on request L20565000AL Benzo(b)fluoranthene, 10µg/ml in Acetonitrile, 10m Price on request 1117.20-200-T Dinaphtho[1,2-b;2',1'-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 239-69-0 Price on request