310 CMR, § 30.668

Current through Register 1529, August 30, 2024
Section 30.668 - Maximum Concentration of Constituents for Groundwater Protection

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

ConstituentMaximum 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