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

EPA Method 200.8Mix

N-(4-Hydroxyphenyl)-propionamide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1693-37-4

1,2,4,7,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene