pH 5.0 Standard @ 25°C

1,1,3-Trimethylcyclopentane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 4516-69-2

2,3,3',4',5',6-Hexachlorobiphenyl

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