QC for Chloride and Sulfate Anions Back Catalog number: 59174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0263.20-200-T Benzo[b]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205-99-2 Price on request BB-77 3,3',4,4'-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 40024 EPA Method 630/630.1 Stock Solution #1 Price on request