EPA Method 8250/8250A Mix #2 - Acids

2,6-Dichlorophenol, 100 µg/ml, Methanol, 5ml

3,3'-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

4-n-Octylphenol monoethoxylate,10 µg/mL,acetone,1mL,