D7-Malathion, 20mg

Daily Quality Control Standard (with 3 Fluorinated Compounds Internal Standard) 14 Analytes + 3 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene

Pseudomorphine (free base), neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 125-24-6

2,2',4,4',6,6'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane