Document 2Na1Gkqzqx4pJ2LJELbMJQkd6

/\ _* *- , ? t/rtcfacoi- &ut U^emica^ ESCAMBIA PLANT INTER0FFIC2 MEMORANDUM To; Mr. E. A. Ray Dote: 12 February 1974 From: Re: K. R. Moon PVC Precautionary Procedures Copies: E. A. Primeau W. C. Wilde D- H. Francke W. J. Kerler , A. K. McMillan/ R. R. Spiegelhalter The following action pLan was agreed upon at the meeting held Monday (2/11) with reference to the N1CSH "Recommended Precautionary Monitoring and Control Procedures for Polyminzation Processes Involving Vinyl Chloride" (attached): I. 1. A survey of PVC losses will be made to determine new handling and housekeeping procedures for chips, chunks, BB's and spilLs - WCW A purge blower system will be designed to remove VCL buildups at pump seals, compressor shafts, etc. - EAR The vacuum system in the dryer building will be switched over to the Alpine blower from the Pangborn system - WCY/7WJK A summary of cyclone alternatives will bo written * KRM 2. Containers of D3's, chunks, etc. , will be covered - survey of available containers and covers - EAR The resin on the north side of the dryer building will be boxed - EAR Contact JIB on whether to enclose the material in the dump (bury, etc. ) EAR B. A plant material balance will be published monthly - DHF C. A aurv^ of sources of buildup will be made along with recommendations for remo EAR Definition of equipment required from JTB - EAR New operating procedures for handling PVC and general housekeeping (See item I. A. 1) - WCW D. Contact JTB for specifics (new building required?) EAR AP00035581 Mr. E. A. Ray PVC Precautionary Procedures Page Z j- II. A. Laundry service wiLL be expanded to include coveralls for PVC operators and mechanics - EAR B. Clarification from JTB (who needs to be protected - mechanics, operators, reactor cleaners only?) EAR . C. Protective head gear is currently being worn by all employees in the plant. No additional action planned. D. Rubber suits (or equivalent) will be worn by reactor cleaners and others entering tanks in PVC. EAR Additional clarification on who is required to wear these suits from J. Novak U JTB - EAR Information on equipment availability (J. Novak) - EAR, DHF III, Additional clarification is required on which employees must shower (lab technicians included? employees working double shifts shower twice?) Contact JTB and/or J. Novak - EAR Need information on what equipment is required (JF Odom) - EAR IV. A. 1. Need to find out if the portable Century Combustible Vapor Detector is approved for explosion-proof service - DHF Need clarification on whether the reactors should be monitored on every opening, or just prior to cleaning (contact JTB) - EAR 2. This program is already underway (DHF). Century readings are taken daily in and around the PVC plant. No additional action planned. 3. Programs are already underway to adequately vent the PVC building. vent fans are being ordered. (EAR) No additional action is planned. 4. SaJ^as item 3 above. New 5. Contact Buddy Stcrmon for monitoring techniques currently used at C. C. Plant - RRS B. 1. Contact Buddy Stermon for information on techniques currently used at C, C. Plant - RRS Additional information on what equipment is required (J. Novak) - DHF 2. Information required on what samples need to be taken and what equipment is required (check w/JTB) - EAR AP00035582 Mr. E. A. Ray PVC Precautionary Procedures Page 3 f- V. A. Need equipment definition (what quality air source required? How to treatthe air?) Check w/JTB and/or J. Noval - EAR B. Need to know if disposable dust masks are adequate (JTB) - EAR What do the TC numbers signify (JTB) - EAR See if dust masks are available in the plant (check w/L. L- Plowman) - EAR/WC C. Need Scott Air Packs for VC1 tank car unloading, arid new unloading procedure EAR Check w/JTB on whether the operator needs to be using the SCBA at all times, or just wearing it in case of emergency - EAR. D. Need a survey of additional sources and measures to control exposure - WCW The following plan was developed with reference to the J. T. Ban memo of. 2/8/74; 1. Design purge blower system for reactors and small VC1 emissions - DRM 2. Re-route blend tank vent for exhaust away from area of operator activity EAR 3. Study feasibility of increasing stripping efficiency - DHF/RRS 4. Add Nash seal water drain and centifuge effluent to leak surveillance list . DHF Please contact me for any additions or corrections to this list. I<RM:bp e' K. R. Moon AP00035583