Document km131K3M3K47p2V1eRQoVv47b

To: B. M. G. Zwicker Location: Cleveland Date: 2-26-74 From: ALGCP Subject: In-Depth Epidemiological Study In response to your letter of February 18, 1974 regarding the subject we are enclosing the following information: 1. Significant Work Practices Effecting VC1 Exposure Levels 2. Chemicals Used in PVC Process Areas R. N. Rylands Plant Manager RNR/ecw cc: M.N.Johnson E.W.Harrington W.M. Wilcox R.L.Cross File Enclosures/2 BFG65344 SIGNIFICANT WORK PRACTICES EFFECTING VC1 EXPOSURE LEVELS Avon Lake General Chemical Plant Plant Start Ups Bldg. Bldg. Bldg. Bldg. Bldg. A51- Paste --------------------------- 1951 461- Pearl (West)---------------1957 463- Latex 1963 464- Pearl (East)---------------1967 461- (3300 gal. polys) -- 1971 (4 polys) 1963 (8 polys) 1964 (8 polys) Start Up of G-90 Resin 1971 HRC Usage Bldg. 464 ------------------------------ ----Bldg. 461 (1100 gal)---------------Bldg. 451 ------------------------------------ 1967 1972 -- 1973 (3300 gal) -- 1971 Copolymer Operation Bldg. 461 ---------------------------------- 1957-1966 Bldg. 451 ---------------------------------- 1962-1971 Adequate Room Ventilation (Turnover to meet company standards) Bldg. 464 Bldg. 463 ------------------------------------Bldg. 461 ------------------------------------Bldg. 451 ------------------------------------ 1967 1963 1974 (temporary) 1974 (temporary) Improved Evacuation System for Ventilating Polys Bldg. 461 ------------------ 1973 Bldg. 451 -------------------------------------- 1973 Improved VC1 Efficiency (thru many projects) 1970-1973 gradual from 89% - 93.5% Monitoring for VC1 Bldg. Bldg. Bldg. Bldg. 451 461 464 463 ---------------------------------[ [ [ 1973 1974 ^5 a ecw/2/25/74 C3 BFG65345 1 CO 4)^ P & pt ^ $Jv &v &V nHI rIl m <rInl VO VO VD ov ov ov Jt S'OV HI VO * i ro voo\ I 00 VoOv co j jt ^ jt & t-- OV t-- OV s-- OV t-- OV r-(i Hi i-rl r-il Hi j (O uv n VD VO VO VO VO m OV OV OV OV Jt*- OV t- Ov vd to Jt p m A HI to-\ ov & VoOv & rHt ) 00 i VoOv hO*v <tr--I-nI ov & OHOI vo OHN ?? OV OV Avon Lake General Chemical P la n t CHEMICALS USED IN PVC PROGRESS AREAS (0 rH 4)^ p m (3 ov & ov ov ov ov 9 *=f 9 rHI rIl rHI rHI ov , ( CO ( t- IA (- IA 1/V Ov OV 0> Ov OV ov ?v PH ^VO OV ov I t- irv Ov V c3 ujv 4)^ P PQ & foi *(O J6: 45 S> ,%>0 k kH HtHWiWlH Wl KV VO VO ov ov OV OV OV <r & 88 OV OV t" . 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