Document rp9Rk2LL4dMRVy3ey4N78k3Xr

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r0 FROM DATE REFERENCE SUBJECT t HR. G. D. LLOYD SAFETY &, TRAINING-PLASTICS COMPANY April 4, 1980 'iFotPCgdtfOOO INTEROFFICE If I. C - Vu^HYGIENE SURVEY - SALISBURY CALENDERING PLANT dhj@.oa On April 2, I960, a study was conducted at the new calender to determine employee exposure to vinyl chloride. Procedure! Samples were collected by meanB of an air transfer pump manufactured by Calibrated Instruments , Inc. Ardsley, N. Y. and the multi-layered Bample collection bags. Each sample represents sample time period of 15 minutes. The bag samples were then analyzed by means of the R&D gas chromatograph. N.D. represents non-detectable results for vinyl chloride. / Monitoring Results of the Bag Samples are as Hollows: Bag No. Location - Activity PHI Level VCM 7 Sample taken while walking directly in front of the windup. 0.02 21 Sample taken at banbury mill at approximate area of mill operators breathing zone. N.D. 1 Sample taken at calender feed mill at approximate area of mill operators breathing zone. N.D. 12 Sample taken of enclosed platform area above N.D. calender rolls - mill side .of calender rolls. * 29 Sample taken at platform area of calender rolls - wipdup area side of calender rolls. N.D. 6 Sample taken in front of strainer where stock emerges. N.D. 11 Directly over the Btrainer hopper opening N.D. 9 First floor mezzanine area above banbury mill 0.03 28 Sample taken on second floor near weigh scale. Operator had door open part of time to add workaway to banbury. N.D. 26 Area sample taken while walking around the second floor. N.D. B1I7U OCC 11373 L 2- - J 8 Sample taken on second floor mezzanine platform. U.B. 17 Sample taken inside "B" Blender was empty and open for.cleaning. U.D. 18 "blender was full and mixing at the time of sampling. 1.81 13 General area sample while walking around "blender room. N.D. 4 Sample taken directly under calender pick off roll. N.D. A sample of the 9300 type resin being used was also analyzed by R&D. The result vas 0.03 RVCM. Jt&suJjlr' Cirullo BBC: mas OCC 11374