Tebufenozide-d9 (3,5-dimethylbenzoyl-d9),100 µg/mL,acetonitrile,1mL,

Sulfur Standard 1 Unit: 10mL screw cap bottle Chiron No. Matrix: Methanol Compound Concentration S-4072 Diethyl sulfide 0.5 ppm (w/w) Di-n-butyl sulfide 0.5 ppm (w/w)

Flurenol-butyl ester, 100 µg/ml, Ethyl acetate,

EPA Method 525 - PCB Standard