(-)-Captopril,1000 µg/mL,MeOH,1mL,

o,p'-Methoxychlor, 1.2mL x 100ug/mL, nonane

1,2,3,6,7,8-Hexachloro[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)