This Standard contains the following;

Element, Concentration (µg/L)

As, 1000; Hg, 50; Ba, 300; Ni, 300

Be, 100; K, 20,000; Cd, 300; Se, 500

Cr, 300; Co, 300; Tl, 1000

Cu, 300; V, 300; Pb, 1000; Zn, 300

Mn, 200

Ag * 300 * Solution B

Matrix - 4% HNO3