EPA Method 537 Analyte Primary Dilution Standard, 2000ng/ml in MeOH, 1,2ml

Isobutylcyclopentane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 3788-32-7

4,5-Dichloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2460-49-3

Pirimiphos-methyl, certified, 0.25g