Thallium (Tl)

EPA 8041A Surrogate Standard S-4382 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol

Butylated hydroxytoluene, 1000µg/ml in MeOH, 1mL

1-Perfluoroheptyl ethanol (7:2 secondary), 1.2ml x 50ug/ml, methanol