1382 ppm TDS solution (230mL)

2-Butyl-1,2-benzisothiazolin-3-one, 25mg

ICP-MS Verification Standard #1A

1,2,3,4,6,7,9-Heptachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene