March 28, 1974ENVIRONMENTAL PROTECTION AGENCY, ) Complainant,vs.
Respondent operates a secondary aluminum smelting facility
located at 2537 West Taylor Street, in Chicago, Illinois.
To a furnace containing a ‘heel”, or quantity of unremoved,
molten aluminum, sufficient scrap is charged in accordancewith a “heat plan.” Various ranges were presented in the Recordfor charging times, depending on the particular furnace involved.
At the end of the
furnace cycle a mixture of nitrogen (85) and chlorine (15) is bubbledthrough the liquid aluminum for “degassing” purposes.
Complainant’s Brief (p.4) states that “fajs demonstr~’t~
11 —Ei66 ...
Allowed
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