Tris(3,5-dimethylphenyl) phosphate, 1.2ml x 50ug/ml, toluene

Melatonin,1000 µg/mL,MeOH,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

Propargite,100 µg/mL ,MeOH,1mL,