WS PCB Back Catalog number: 38034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678073 Phosmet-oxon, 100 µg/ml, Isooctane, 1ml Price on request 10052.23-50-AN JWH-073 COOH-d4, 50µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 92387 EPA Method 8141 Surrogate Standard Price on request