Document 027aoeKNOYer9op4ZMEaM3Yk

MEMORANDUM date: February 24, 1972 SUBJECT: BRNW PROGRESS REPORT - LOUISIANA to: Mr. C. R. Walbridge Mr. P. N. Shellenberger Mr. 0. J. Pa rr Mr. R. E- Mumford Please replace page 2 of subject letter mailed to you February 23 with attached. Revised to include additional information under item 5 inadvei^ntly omitted. Attach. Elaine Weaver Secretary to Mr. Cornell ASI-PR 0004200 2) Renovate and lmprov dust systems on lime kilns discharges and conveyors. -2- - Unit operational; major revision late 1971. - Dust loss to be determined by fallout measurement. - Continue to maintain the present dust system to reduce fallout to a minimum. 3) Plans call for purchase and Installation of three Improved bag dust collector systems to replace the ones In Nos. 1, 3 and 4 elevator towers. - Replace No. 1 tower dust collector - S.A. Section In 1972 - Scheduled to replace No. 3 in 1973 and No. 4 in 1974. 4) Four bag dust systems are to be replaced In the dense ash operating systems. - Replace rotary classifier dust collector in 1972. - Replace Dense Ash house system dust collector In 1972. - Scheduled to replace north system in 1973 and smith system in 1974. 5) Design and install a scrubber for lead and organic fumes from cell construction furnaces at chlorine/caustic north. - Lead profile Initiated January 1972. - Air sampling for organics scheduled March 1972. - Data evaluation to detexmine extent of a scrubber system. 6) Chlorine gas cooling tower condensate now going to sew r at chlorine/caustic north. - Part of a proposed process sewer replacement plan which includes degasser to put excess chlorine back Into system. - Divisional and plant engineering studying proposed system eliminating chlorine to sewer. ASI-PR 0004201