Metals Analyses

Category Methods Minimum Qty. Recommended Containers Required Preservation Holding Time
Aqueous Samples
Total Metals (Except Mercury) 200s/SM 3111B 6010/7000s 100 mL Plastic Bottle Nitric Acid to pH <2. Cool to 4° C 180 Days
Dissolved Metals (Except Mercury) 200s/SM 3111B. 6010, 7000s 100 mL Plastic Bottle Filter First. Nitric Acid to pH <2. Cool to 4° C 180 Days
Total Mercury 245.1, 7470 100 mL Plastic Bottle Nitric Acid to pH <2. Cool to 4° C 28 Days
Dissolved Mercury 245.1, 7470 100 mL Plastic Bottle Filter First. Nitric Acid to pH <2. Cool to 4° C 28 Days
SDWA Lead and Copper Rule 239.2 SM 3111B 1 L 1 x 1L Plastic Bottle Cool to 4° C 180 Days
Chromium, Hexavalent 218.1-5 200 mL Plastic Bottle Cool to 4° C 24 Days
Solid Samples
Total Metals (Except Mercury) 3010,7000s 2 g Class Jar w/teflon liner Cool to 4° C 180 Days
Total Mercury 245.5, 7471 0.6 g Class Jar w/teflon liner Cool to 4° C 28 Days

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