Document 3NgpDymKEDX0wR7yn1qOdeBQD

' 1-IM (MM) INTER OFFICE MEMO TEfiNEGO CHEMICALS, INC \ To Distribution List Fro W.C. Champion subject Nixon Plant VCM Program AT AT Burlington April 1, 3.974 copy to M. Freifeld F.X. Ritter Dr, M. Rosen File A meeting was held in Piscataway on Tuesday, March 26th to establish joint Nixon/Polymers programs relating to the VCM situation. Present were those whose names appear on the distribution list. H.B. Carr opened the meeting with comments that we are currently faced with two distinct questions relative to VCM, namely: I. OSHA considerations of operator exposure to VCM in breathing air, and; 2. FDA considerations of residual VCM- in packaging materials (expected to be limited to 10 ppm maximum) and consequent migration to food (50 ppb maximum). Mr. Rozand discussed briefly the efforts in the Burlington Plant to reduce residual VCM in 10R (and all other products) by improved stripping and drying techniques. He stated that residual VCM in 10R had been reduced from >1000 ppm to -(500 ppm through these efforts, but that reductions to sig nificantly lower levels would be difficult. Mr. Saggese stated that Nixon has not noted any adverse effect on film prop erties as a result'of our efforts. After Mr. Smalley's comments that higher molecular weight reSins have lower VCM contents, Mr, Saggese requested that we provide him with some PVC 200 in bags for trial on their Mirrex lines, Mr. Rozand agreed to produce this resin at Burlington, where higher stripping temperatures are attainable compared with Flemington. Data for Nixon Plant air monitoring (March 2nd and 19th) and analytical test ing were presented by Messrs, Champion and Ketterer. Air monitoring with the Century OVA was supported by gas chromatographic analysis of air samples. This work showed operator exposure to 16 ppm of vinyl chloride at the #6 blender platform, with lower exposures in other areas investigated. Analysis of resin, blend and film samples showed high concentrations of vinyl chloride in finished sheet. A sample of Mirrex MCFD-1030 from line #6 (10Rbased) showed 140 ppm of VCM, while a sample of VCH-5001 (390-based) from calender #2 showed 200 ppm. A table of all the data obtained is attached to this report. Methods to reduce both residual VCM and operator exposure were discussed. Mr, Ketterer reported on loss of residual VCM in resin with increased storage time. The importance of reducing VCM prior to the compounding (continuous mixer) stage was discussed. Methods suggested were hot air purging of silos and heating and exhausting of blenders. COLORITE 012802 Page 2 Future Program 1. Nixon has gas chromatographic equipment on order, and expects to be able to perform their own analytical work within one month, 2. Polymers has agreed to support the Nixon program during this time: a. Air monitoring and concurrent air and product sampling will be done by W.C. Champion. b. M. Saggese will submit five to six samples per day for analysis. Analytical work will be coordinated by P. Kettercr. Samples will be submitted in solution. 3. Polymers will continue efforts to reduce VCM in resin "as shipped", and will advise Mr. Saggese of progress in this area. 4. Nixon will attempt to obtain fresh samples of competitive resin and sheet for analysis. WCC/jst C- dLXjsrvi**-*" W.C. Champion Distribution List H.B. Carr (3) P. A. Ketterer F. V. Owens G. 1. Rozand M.F. Saggese D. I. Smalley Attachment. COLORITE 012803 Nl^ojJ FLAt^T Mol4fno-tM<Ssi 2- A-V45 3/1 <-?/*> 4 M l Rggx Av2.SA Cai_S. W 03-+2. FLoog ' ' ! I I ** .-- III PllllllM II f ( t. FbSGMAWi OPFKLS. <l'w5-CA'U COisjd-up ArtZA 3. At* pOL-C~ (JMDE42 (WCU-iM'S- 4* Ar- 5, T^o.^-a SSltO 6. ^4CM~, LOi\lfc-L>P Ar2.A 7, OwDEg P/cl^:- op(T tSoLu_s 8* (fUM^-S 'A" FiAoM P-OLX-f) 9, F1BC4& BE-AT A(2A i0/ CN-A Avf!3A U> 13. H. 15, * CAL., tOSWD"Up f^dZA OP.aATo(2.'-i tiS^ti/pAMEL A2JSA . 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