20 ppm: As, Be, Cd, Zn; 10 ppm: Mg, Ni, Pb; 5 ppm Al, Ba, Bi, Co, Cr, Cu, In, Li 6+ , Lu, Mn, Na, Sc, Sr Th, U, V; 2.5 ppm Y, Yb Matrix: 2% HNO3 Min: >= 4.975 Max: = Manufactured and Tested in an ISO 17025/Guide 34

10 ppm: Li, Mg, Y, Ce, Tl, Co Matrix: 2% HNO3 Min: >= 9.95 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility

10 ppm: Li 6+ , Sc, Ge, Rh, In, Tb, Lu, Bi Matrix: 10% HNO3 /tr HCl Min: >= 9.95 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility

10 ppm: Ge, Mo, Pd, Ru, Sb, Sn; 5 ppm Ir, Ti Matrix: 5% HCl Min: >= 4.975 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility

10 ppm: Ba, Be, Ce, Co, In, Li, Mg, Pb, Rh, Tl, U, Y Matrix: 2% HNO3/ 5% HCl Min: >= 9.95 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility

10 ppm: Ag, Al, As, Ba, Be, Bi, Ca, Cd, Co, Cr, Cs, Cu, Fe, Ga, In, K, Li, Mg, Mn, Na, Ni, Pb, Rb, Se, Sr, Tl, U, V, Zn Matrix: 5% HNO3 Min: >= 9.95 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facilit

10 ppm: Ba, Be, Ce, Co, In, Mg, Pb, Th, Tl Matrix: 2% HNO3 Min: >= 9.95 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility

10 ppm: Li, Y, Ce, Tl, Co Matrix: 5% HNO3 /tr HF Min: >= 9.95 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility