Methamidophos, 1000µg/ml in MeOH, 1ml

beta-HCH, 100 µg/ml, Methanol, 1ml

ISO 17353/23161 Internal Standard OC, Stock Solution B 4 Analytes, each 1000µg/mL OC in methanol; units: 5x1mL, 5x5mL Prod.No. Compound CAS No. Weight OCT 2496.14 Di-n-heptyltin dichloride [7434

3,3',4,4',5-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 57465-28-8