Afidopyropen, 100 µg/ml, Acetonitrile, 1ml

Formaldehyde-DNPH Level 2 (0.5ug/mL)

Heptachlor endo-epoxide, 100µg/ml, Acetonitrile, 5ml

2,3',5-Tribromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-35-2