WS Drinking Water Kit Back Catalog number: 38235 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1635.20-200-T 1-/3-Nitrobenzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 70021-99-7/70021-98-6 Price on request 678514 Triazophos, 100 µg/ml, Acetonitrile, 5ml Price on request 93127 NCGSI Standard Price on request