EPA Method 515.1 Internal Standard

n-Nonane-d20, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 121578-11-8

Thiofanox-sulfoxide, 10.0 µg/ml, Acetonitrile, 1

2,2,3,5,6-Pentachlorobiphenyl (BZ-95)