EPA Method 8121 Internal Standard

Fipronil, 1000µg/ml in Acetonitrile, 1ml

1,2,3,4,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, nonane

1-Methylbenz[a]anthracene, 50 µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 2498-77-3