THM Standard

2-Methyl-4-isothiazolin-3-on, certified, 0.1g

1,3,5-Tris(trifluoromethyl)benzene

1,2,3,4,6,7,8-Heptachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene