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

Antimony 10,000ug/ml, 100ml

Method 200.8/1638/1640 Internal Standard, 10µg/ml in 2%-HNO3, 4x25ml

Methyl Mercury Chloride, 1000µg/mL in H2O, 5ml