Sn @ 10000 µg/mL in 5% HNO3, tr. HF, 100ml

S @ 10000 µg/g (1.00 wt%) in #2 Diesel Fuel, 100ml

Phosphate (PO4-3) as P, 1000µg/ml in Water, 100ml

Sodium, 1000ug/ml, 100ml