WA VPH Standard Back Catalog number: 51140 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52257 Gun Shot Residue Single Element Kit Price on request 1396.10-K-IO Malathion, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121-75-5 Price on request 15900-3320-100AN5 Metolachlor, 100µg/ml in Acetonitrile, 5ml Price on request