Regulatory Limits and Applications - Fundamental QSARs for Metal Ions - page 259

TABLE 7.4
Regulations for Metal Contaminants in Water

National Primary and Secondary
Drinking Water Regulations National Recommended Water Quality Criteria

Primary Secondary Freshwater Saltwater Human Health for Consumption of:

MCLG
(mg/L)

MCL
(mg/L)

SDWR
(mg/L)

CMC
(µg/L)

CCC
(µg/L)

CMC
(µg/L)

CCC
(µg/L)

Water +
Organism (µg/L)

Organism Only
(µg/L) Chemical Name CASRN

Aluminum 7429-90-5 — — 0.05-0.2 750 87 — — — —

Antimony 7440-36-0 0.006 0.006 — — — — — 5.6 640

Arsenic 7440-38-2 0 0.010 — 340 150 69 36 0.018 0.14

Barium 7440-39-3 2 2 — — — — — 1000 —

Beryllium 7440-41-7 0.004 0.004 — — — — — — —

Cadmium 7440-43-9 0.005 0.005 — 2.0 0.25 40 8.8 — —

Chromium (total) 7440-47-3 0.1 0.1 — — — — — — —

Chromium, ion (Cr3+) 16065-83-1 — — — 570 74 — — — —

Chromium, ion (Cr6+) 18540-29-9 — — — 16 11 1100 50 — —

Copper 7440-50-8 1.3 1.3 1.0 — — 4.8 3.1 1300 —

Iron 7439-89-6 — — 0.3 — 1000 — — — —

Lead 7439-92-1 0 0.015 — 65 2.8 210 8.1 — —

Manganese 7439-96-5 — — 0.05 — — — — 50 100

Mercury 7439-97-6 0.002 0.002 — 1.4 0.77 1.8 0.94 — —

Nickel 7440-02-0 — — — 470 52 74 8.2 610 4600

Silver 7440-22-4 — — 0.10 3.2 — 1.9 — — —

( Continued )