Cd	Co	Cu	Fe	Mn	Ni	Pb	Zn
	ng/L	mg/L	mg/L	mg/L	mg/L	mg/L	ng/L	mg/L
MDL	1	0.01	0.06	0.3	0.1	0.1	10	0.1
SLRS-3 (N=11)
Certified	13	0.027	1.35	100	3.9	0.83	68	1.04
Measured (avg)	12.6	0.026	1.29	97.2	3.86	0.77	71	1.13
Standard deviation	0.9	0.008	0.09	4.2	0.20	0.06	9	0.12
Recovery(%)	97	97	96	97	99	93	105	109
Field blank 1	0.2	0.000	0.003	0.03	0.00	0.01	2.5	0.02
Field blank 2	0.2	0.000	0.011	0.02	0.01	0.00	2.9	0.03
Field blank 3	0.1	0.000	0.011	0.03	0.00	0.00	2.5	0.01