Document 5Lb7DYgeK46qwqkD6nN4aNrQ4

TABLE 1 SAMPLING RESULTS - CHALMETTE WORKS MARINITE FABRICATING FACILITIES ASBESTOS EXPOSURE DATE SAMPLED - JANUARY 10, 1974 Sample Number Description Sample Duration Minutes Asbestos Fibers pee- CC ' of Air 1151 Breathing Zone , Carpenter A. Menesses #9763 Cutting Prototype Marinite on band saw (feeding) 60 1.2 1152 Breathing Zone Carpenter J. Wallace #3269 Cutting Prototype Marinite on band saw (Receiving) 60 1.9 1153 Breathing Zone Carpenter J. Wallace #3269 Drilling and Reaming Prototype Marinite (#4 Drill Press) 60 1.3 1155 Blank 145 Shop Area Samples taken 152 May 7, 1973 as background 154 for Shop with no operations being performed OSHA Ceiling Contration Limit (Not to be exceeded at any time) Threshold Limit Value -- `452 29 57 10 480 (TWA) None Detec ted 1.1 1.7 1.1 10 5 (presently) 2 (after 7-1-76) TABLE 2 SEMIQUANTITATIVE EMISSION SPECTROGRAPHIC ANALYSIS JOHNS MANVILLE 1"PROTOTYPE ASBESTOS FREE MARINITE' Bv Center for Technology - E . 0. Strahl Oxide A1203 Si02 Fe2o3 CaO Ti02 MgO % 28 30 8.6 15.4 1.2 2.0 . Oxide Na20 Cr203 MnO vC2uO5? % .2 .07 .06 .02 .002 PLAINTIFF'S 1 EXHIBIT I 73/5 f-a/ I WV-21351 TABLE 3 SEMIQUANTITATIVE X-RAY DIFFRACTION ANALYSIS JOHNS MAJWILLE "PROTOTYPE ASBESTOS FREE MARINITE" By Center for Technology - E. 0. Strahl Phase Mayenite (Calcium Aluminum Oxide, 03^2^1^4022) Quartz Feldspar Hematite (Fe203 ) Poorly Crystalline Material Partially Calcined Clay Minerals Major = >207, Minor = 5 - 20% Trace = <5% Amount Maj or Trace - Minor Trace - Minor Trace Major Trace R 000609