Chromium (Cr), 1µg/ml in 2%-HNO3 / Water, 100ml

As @ 1000 µg/mL in 5% HNO3, 100ml

Sulfate (SO4-2), 1000µg/ml in Water, 500ml

CONOSTAN S-21 + AS+Co+Sb+Se, 300ppm in 75cSt oil, 200g