Document bxNgKN8yODz3Y8ZrXY5K5ZNg

fV To: H. A. Eschenbach From: E. S. Wood Subj: Expanding Plant Employee Health Survey ___ _ cc: J. W. Wolter B. R. Williams W. R. Hanlon R. H. Locke WRCrorvv^ This is to confirm that we will be collecting information on employee health records at our vermiculite expanding plants. We agreed that data from each employee would be categorized with respect to radiological and lung function tests according to the following parameters: 1. Exposure period (grouped in ranges of not more than five years) 2. Exposure to commercial asbestos as a result of the manufacture of our old-style MONOKOTE and texturized ceiling products. 3. Exposed only to an environment using Libby ore. 4. Exposed only to an environment using S.C. ore. 5. Exposed to an environment using both Libby and S.C. ore. Smoker versus non-smokers 1~ 7. Having identified pre-existing conditions. After having collected the data, we can run statistical tests to determine whether there are significant differences between these various , sub-populations. ESW/CCR PLAINTIFF'S EXHIBIT