alpha-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL,

VOC/PAH/Phenol Mixture 1350,1 Chloroform 500 mg/L 1351,2 1,1,1-Trichloroethane 500 mg/L 1354,2 Trichloroethylene 500mg/L 1353,2 Tetrachloroethylene 500mg/L 1300,6

Malaoxon, 100µg/ml in Acetonitrile, 5ml

o-Tolualdehyde-DNPH, 100µg/ml in Acetonitrile, 1ml