4-n-Dodecyl-o-cresol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 29665-59-6

1,2,3,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Sulfur Standard 2 Unit: 10mL screw cap bottle Chiron No. Matrix: Methanol Compound Concentration S-4073 Di-n-propyl sulfide 0.5 ppm (w/w) Di-n-butyl sulfide 0.5 ppm (w/w)

EPA Method 502.2/524.2 Volatile Standard