Mass-Labelled PCB Extraction Standards, 1.2ml, nonane

Carbaryl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 63-25-2

Benzo[a]pentacene (in vial for quick-preparation of solution), neat, Solvent-neat, Unit ca. 100µg, # of units-1, Cas.no. 239-98-5

EPA Method 8081A Pesticides QC Mix