Document 93m9653B5LrZKkxNvprEnOj3V

PUT IT IN WRITING Date 9 August 1974 Tn H. L. Watson - V.F,Subject VINYL CHLORIDE MONOMER LEVELS Frnm H. J. Steck - C.C._______________ { ) Take Action ( ) For Your Approval { ) For Your Comments ( ) As Requested AT THE EMULSION PLANT { JForYourlnfo ( ) Discuss With Me ( ) File ( ) Note & Return Concerning the recent report which I forwarded to you on Wednesday, 7 August, one particular point needs to be stressed. The earlier samples, previous to 14 May, were analyzed with the Century organic vapor analyzer which indicates total organics. Samples checked since 14 May were analyzed by gas chromatograph which separates the Vinyl Chloride, Vinyl Acetate, and Acetaldehyde and there fore indicates lower Vinyl Chloride monomer levels. As you will notice on the report of 24 July, our plant atmosphere is usually less than 3 ppm unless some part of the ventilation system is inoperable. The C.E. for process area ventilation will cover the one trouble spot, the west door on the first floor. Analysis to date indicates Vinyl Chloride levels in the final product to range around 16 to 26 ppm. However, more data will be needed to establish a betteT fix on this range. A production specification based on the limited data available .could prove disastrous. EJS/bc cc: H. M. Konrad J. D Kramer . C. G. MacDonald \M. H. Stermon AP00043338 To. Prom ( ( H. J. Zorman/E. J. Steck Calvert City Subject C. G. MacDonald/Calvert City ) Take Action ( ) For Your Approval ) For Your Comments ( ) As Requested Date 27 August 1974 EMULSION PLANT - VINYL CHLORIDE TESTING STATUS 8/23/74 ( } For Your Info ( ) Discuss With Me ( } File ( ) Note & Return Laboratory testing o the Airflex #5 system was continued with the results tabulated below. It is noted that during the period 8/8 to 8/18, the samples were taken during the 4-Jj-hour monomer delay portion o the batch. On 8/19 and 8/20, the timing was modified to be twice a day, regardless of the batch status at those hours. The one high test result occurred when both doors were open at the north side, rendering the exhaust system ineffective. Date/Time 8/8/1700 8/9/1000 8/10/0005 8/16/1600 8/18/1400 8/19/1600 8/20/0900 1st Floor W. Door 296. 0.5 0.3 0.7 1.3 *0.5 < 0.5 PPM VC1 2nd .Floor Sole. Point 4.3 . 0.3 1.25 0.8 0.66 <0.5 <0.5 3rd Floor Reactor 3.8 0.3 0.3 1.12 1.1 40.S -6.0. S Other tests were run as follows: A. Emulsion Control Room 8/11 - 19 ppm VC1 - after blown reactor at PVC Emulsion Control Room 8/13 - 1*2 ppm VC1 - after vented reactor at PVC. Emulsion Control Room 8/14 -^,1.0 ppm VC1 - after blown reactor at PVC. B. Product Storage Tank #20 - Vapor Space - 68 ppm VC1 8/14, Liquid Product UH 55 - 2L ppm VC1, 43 ppm acetate, 0.421 VAc on 8/17. Liquid Product UH 66 - 18 ppm VC1, 48 ppm acetate, 0.41$ VAc on 8/21. Q_Jf. CGM:si cc: L. Dranikof/Piscataway H. M. Konrad J. D. Kramer C, G. MACDONALD /m. H. Stermon H. L7 Watson/Valley Forge AP00043339 To. From. ( < PUT IT IN WRITING E. -Subject C. G. MacDonald/Calvert City Take Action For Your Comments ( ) For Your Approval ( ) As Requested Date 2 October 1974 EMULSION PLANT - VINYL CHLORIDE TESTING - STATUS 1 OCTOBER 1974 { ) For Your Info ( ) Discuss With Me ( ) File ( ) Note & Return Testing of the Airflex No. 3 system was continued during A-728 runs , with results as shown below: Date/Time 1st FlOOT V. Door PPM VC1 2nd Floor Sple. Point 3rd Floor Reactor 9/6/? 9/7/1300 9/8/7 9/9/1000 9/17/? 9/17/1945 9/18/1100 9/19/? 2.6 0.9 1.4 1.1 1.3 0.6 0.8 1.2 0.5 0.7 <0.5 <0.5 0.9 1.2 <0.5 3.2 1.8 0.8 36.* 4.8 2.6 0.7 (W. fire door open) 2.6 1.8 1.1 *Taken while pulling reactor sample at sample: point.f Also 9/19 - personal samples taken over 15-minute period: 5.0 ppm VC1 - J. Burkhead * just walking around 1.7 ppm VC1 - T. Story - control board 2.5 ppm VC1 - E. Hardin - shotgun work Product samples 8/30/74 - A-728: Tank 20 - Vapor - 41 ppm VC1 (VH-101) Tank 20 - Liquid- 31 ppm VC1 38 ppm acetaldehyde 0.51* vinyl acetate CGM:sl cc: l. Dranikoff/Piscataway H. M. Konrad J. D. Kramer M. H. Stermon H. L. Watson/Valley Forge C. G. MACDONALD AP00043340