O,O-Dimethyldithiophosphate-13C2, sodium salt

3,3’-Dimethoxybenzidine

Daily Quality Control Standard (with 4 Deuterated Compounds Internal Standard) 14 Analytes + 4 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane 17m-Xylene 3 n-Octane 17

Terbuthylazine-2-hydroxy, 100 µg/ml, Acetonitrile, 1ml