Calibration Std. #1

3,5-Dichlorobenzoic acid, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 51-36-5

Paraoxon-ethyl, 100 µg/ml, Ethyl acetate, 5ml

Imazamethabenz-methyl