D10-Chlorpyrifos, 100 µg/ml, Acetone, 1ml

2,2'-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

PT Semi-Vol Supplemental Acids Mix

Chlorophenol Standard, Stock Solution 15 Analytes, each concentration as listed in ethanol; unit: 5x1mL 2066.6 2,3-Dichlorophenol [576-24-9] 400 µg/mL 2064.6 2,4-Dichlorophenol [120-83-2] 400 µg/mL 2065.6 2,5-Dichlorophenol [583-78-8] 400 µg/mL 2069