2,4'-DDT, 10.0 µg/ml, Cyclohexane, 10ml

1,2,4-Trichlorobenzene, 10 µg/ml, Cyclohexane, 1

2-Methylphenol, 100 µg/ml, Methanol, 5ml

EPA Method 537 Native Primary Std (br/l mix), 2µg/ml in MeOH, 1,2ml