Atrazine, 10.0 µg/ml, Acetonitrile, 10ml

Tuning Solution- Method 200.7 section 7.7

Chloroform, 100µg/ml in MeOH, 5ml

1,2,3,4-Tetrabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene