Except as provided in 310 CMR 30.667, the concentration in groundwater of each constituent listed in Table 30.668 shall not exceed the maximum concentration specified in 310 CMR 30.000: Table 30.688 for that constituent.
Table 30.668
Constituent | Maximum Concentration (Milligrams per liter) |
Arsenic | 0.05 |
Barium | 1.0 |
Cadmium | 0.01 |
Chromium | 0.05 |
Lead | 0.05 |
Mercury | 0.002 |
Selenium | 0.01 |
Silver | 0.05 |
Endrin (1, 2, 3, 4, 10, 10-hexachloro-1, 7- | 0.0002 |
epoxy-1, 4, 4a, 5, 6, 7, 8, 9a-octahydro-1, | |
4-endo, endo-5, 8-dimethano naphthalene) | |
Lindane (1, 2, 3, 4, 5, 6-hexachlorocyclohexane, | 0.004 |
gamma isomer) | |
Methoxychlor (1, 1, 1-Trichloro-2, 2-bis (p- | 0.1 |
methoxyphenylethane) | |
Toxaphene (C10H10C16, technical chlorinated | 0.005 |
camphene, 67-69% chlorine) | |
2, 4-D (2, 4-Dichlorophenoxyacetic acid) | 0.1 |
2, 4, 5-TP Silvex (2, 4, 5-Trichlorophenoxypropionic | 0.01 |
acid) |
310 CMR, § 30.668