Piperonyl butoxide, 1000µg/ml in MeOH, 1ml

Daily Quality Control Standard (without Internal Standard) 13 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name: Wt. % Name Wt. % 1232.6 n-Hexane

2-Bromophenol, 1.2ml x 100ug/ml, toluene

N-Chloroacetyl-2,6-diethylaniline, 100mg