No. CAS2

Contaminant

MPL3, mg/L

7440-38-2

Arsenic

5.0

7440-39-3

Barium

100.0

7440-43-9

Cadmium

1.0

7440-47-3

Chrome

5.0

7439-97-6

Mercury

0.2

7440-22-4

Silver

5.0

7439-92-1

Lead

5.0

7440-38-2

Arsenic

5.0