EPA Method 8121 Surrogate Standard

1-Perfluoroheptyl ethanol (7:2 secondary), 1.2ml x 50ug/ml, methanol

Methidathion, 100 µg/ml, Acetonitrile, 5ml

Methylphenyldisulfide, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 14173-25-2