1,3,7,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

2,4',5-Trichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Diphenyl isopropylphenyl phosphate, techn. isomer mixture,100 µg/mL,isooctane,1mL,

EPA Method 604/625 - Phenols Standard