Document v1YgK00Rx49ywB5QyjpgBOjRw

conoco Interoffice Communication To A. H. Sather From J . V. Uptain Date December 12,1977 subject VCM DOSIMETRY RESULTS FOR NOVEMBER Following are the results of VCM Dosimetry during November. 22 samples were taken, with two results above the exposure limit. Range, PPM Number 0.0 - 0.5 18 81.81 0.5 - 1.0 2 9.09 1.0 - 5.0 5.0 + 1 4.55 1 4.55 22 100.00 One of the overexposures, amounting to 32.7 ppm, occurred while a maintenance mechanic was changing out a VCM "Corken" compressor at the VCM tank farm. He was wearing an air line respirator. The second overexposure, amounting to 1.9 ppm, was experienced by a large reactor lead operator. No reason for the result has been found. The employee was not wearing a respirator. Jlferald V. Uptain d Im c: GGD, Department Heads, D.A. Kuhn, O.D. Steffey Attachment IE I 1"H1' VAB.0001041371