Document ba0YJenxqoow85mMy722qqBBD

copy to Mr. s. A. Dickerson - 133 -v Mr. kL $* Ewejt^lZ^ Mr. K, E. Martin - T Mr. G. F. Tacquard - 4 Mr. H. Zeller, Jr. - 4 Subject Sampling of Vinyl Chloride Tank Car Rack The Vinyl Chloride Tank Car Rack was sampled on April 22, 1980 by J. P. Whelton, Or. and myself.1/0*1. The samples were taken using charcoal tubes in series with battery operated pumps preset at a controlled flow rate of 0.5 liters per minute for 45 minutes. Sampling was done while the tank car unloading was in progress. The samples were analyzed by the Industrial Hygiene Department. The results of the sampling are attached. ^.0-Cs W' D. C. McCreery DCM ve> CHEMICALS ANO VlaM i'CS UCC 094807 o I0"0. Temperature: Wind: South 5 to 10 MPH Sample pT A B C D E F Location North End East Rail `h At dome of tank car Vcl Concentration 0.38 ppm (^3.21~ppm^ Under north platform ladder 0.35 ppm East rail, west of tank car East pump seal under platform 0.37 ppm (^3jT~ppn^) ^ Background upwind of tank car rack 0.01 ppm Sample on 3 PM Sample off 3:47 PM >, UCC 094808