ISO 18857-1 4-n-Nonylphenol solution, Calibration standard

Diuron-d6 (dimethyl-d6), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1007536-67-5

Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml

Prometon, 100mg