Document KGDxejjBNNZgOqNBxOzNemG3K

12 Nansm National Loss Control Service Corporation Long Grove, lltnois 60049 (312) 540-2488 ENVIRONMENTAL SCIENCES LABORATORY, A-1 TO: JANIS WOODSON CERTAINTEED CORP. P.O. BOX 860 VALLEY FORGE, PA. 19482 ftf. 1LAfrii VTORY ANALYSIS REPORT REPORT DATF: JULY 27 * 1982 SAMPLES REO'D;JULY 21, 1982 REQUEST NUMBER; 26309 SAMPLE NUMBER M (y1\\ B358 V n B387 B388 B392 B394 ^B409^ ~T ANALYSIS REQUESTED X SILICA 1 11 i X QUARTZ RESULTS SUBT. * * * * . O' I^TV1 0,2o rLCj / ^ T Vo 5* y> 1 ^ ___________ _______ . COMMENTS: METHODi QUARTZ.' Respectfully submitted, X-RAY DIFFRACTION. "SAMPLE LESS THAN 25 MICROGRAMS OF (a)Ajtp^AsJ Joan A. Wronski, Manager Environmental Sciences Laboratory ACCREDITED BY THE AMERICAN INDUSTRIAL HYGIENE ASSOCIATION CTD016670 NC137-1A 1041 10M PRINTED IN USA.