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<br />. <br /> <br />- <br /> <br />'- <br /> <br />. ' <br /> <br />'I <br />.. Also, other similar objectionable or toxic substances or <br />wastes exerting an excessive chlorine requirement to such <br />degree that any such material received in the Composite <br />Sewage at the treatment works exceeds the limits estab- <br />lished by the Superintendent for such materials. <br /> <br />. Daily Maximum <br />¡. Concentration 30 Day Average <br /> Parameter (mg/l) Concentration (mgll( <br /> Cyanide (Amenable) 0.20 0.08 <br /> Cyanide (Total) 0.64 0.24 <br /> Chromium (VI) 0.25 0.09 <br /> Chromium (Total) 4.2 1.6 <br /> Copper 2.0 1.0 <br />. Nickel 3.6 1.8, <br /> Zinc 3.4 1.5 <br /> Lead 0.8 0.4 <br />, Cadium 1.0 0.5 <br /> Tin 2.0 1.0 <br /> Fluoride 30.0 30.0 <br /> <br />224.6 Any waters or wastes Containing phenols or other taste or <br />odor-prOducing substances after treatment of the Composite <br />sewage, in such concentrations exceeding limits which may <br />be established by the Superintendent as necessary to meet <br />the requirements of the State, Federal, or other public <br />agencies of jurisdiction for such discharge to the ':,re- <br />'spective waters. " <br /> <br />. <br /> <br />224.7 Any radioactive wastes or isotopes of such half-life or <br />concentration as may exceed limits established' by the <br />Superintendent in compliance with applicable State or <br />Federal regulations. <br /> <br />224.8 <br /> <br />Any wa ters or wastes having a pH of less than 5.0 or in <br />excess of 9. O. <br /> <br />224.9 Materials which exert or cause: <br /> <br /> 224.9 (2) <br />\.. 224.9 (3) <br /> " <br /> <br />224.9 (1) Unusual concentrations of inert, suspended <br />solids (such as but not limited to Fullers <br />earth, lime slurries, and lime residues), or <br />. dissolved solids (such as but not limited to <br />sodium chloride and sodium sulfate). <br /> <br />Excessive discoloration (such as but not limited <br />to dye wastes and vegetable tanning solutions). <br /> <br />~ <br /> <br />Unusual BOD, chemical oxygen demand, or chlorine <br />requirements in such quantities as to Constitute <br />a s:ignificant load on the sewage treatment <br />plant. " ' <br /> <br />-11- <br />