(J) Any waters or wastes containing metallic
ions, or other toxic ions as determined and established from time
to time by the Board of Public Works and Safety. Chemical constituents
shall not exceed the following concentrations for grab or composite
samples.
Chemical
Milligrams
per Liter
Arsenic
0.25
Cadmium
1.00
Chromium
Total
2.50
Chromium
(Hexavalent)
0.50
Copper
1.00
Cyanide
1.00
Lead
1.00
Mercury
.066
Nickel
1.50
Phenols
35.0
Selenium
1.00
Silver
4.00
Zinc
1.70
(K) Any water or wastes containing concentrated
acid metallic pickling wastes or plating solution.
(L) Any toxic radioactive wastes or isotopes
of such half-life or concentration which may exceed limits set
by applicable State and Federal regulations.