Nitrate (NO3-) as N, 1000µg/mL in Water, 100ml

Germanium (Ge), 100 µg/mL in 2%-HNO3 / Water, 4x25ml

Fluoride (F-), 1.0µg/mL in Water, 500ml

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