Benzyldimethylhexadecylammonium chloride, 10.0 µg/

Phorate-oxon-sulfoxide, 100µg/ml in Acetonitrile, 1ml

Daily Quality Control Standard (with Internal Standard) 15 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 11 Ethylbenzene

2.3,7.8-Di-(peri-naphthylene)-pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 362052-03-7