Total Organic Carbon (C)

1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL,

Hexachloro-1,3-butadiene, 100µg/mL in MeOH, 1ml

Simazine (13C3, 99%) 100µg/mL in MeOH, 1,2ml