316 b eea chapter 4 for new facilities manufacturing profile aluminum 4e 1 4ealuminum sic 333 5 epa s industry screener questionnaire phase i cooling water intake structures identified four digit codes in the nonferrous metals industries 335 with at least one existing facility that operates a cwis holds npdes permit withdraws more than two million gallons per day mgd from of united states and uses 25 percent its flow purposes these characteristics are hereafter referred to as each table below provides description sector list products manufactured total number survey respondents weighted represent national results important no primary production shapes 3334 & 3353 ofaluminum producing alumina inrefining by any process 31 10 32 6
