Table 1

Maximum Concentration of Constituents for Groundwater Protection

                                                           Maximum
Constituent                                             Concentration1
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-epoxy-1, 4,
          4a, 5, 6, 7, 8, 9a-octahydro-1, 4-endo, endo-
          5,8-dimethano naphthalene)....................    0.0002
Lindane   (1, 2, 3, 4, 5, 6-hexachlorocyclohexane, gamma
          isomar).......................................    0.004
Methoxychlor   (1, 1,1-Trichloro-2, 2-bis (p-methoxy-
               phenylethane)............................    0.1
Toxaphene (C(--H(--C1, Technical chlorinated camphene,
          67-69 percent chlorine).......................    0.005
2-4-D     2m 4-Dichlorophenoxyacetic acid)..............    0.1
2, 4, 5-TP Silvex (2, 4, 5-Trichlorophenoxypropionic
                  acid..................................    0.01
     1Milligrams per liter.