Document zdzOLwMbvV7mzErDnEK82b0Yz

FILE NAME Bechtel BECH DATE 1972 Mar 16 DOC BECH038 DOCUMENT DESCRIPTION Internal Memo RE Report on Monitoring Airborne Asbestos Fibers for Job 8633  bel wen RECEIVED RECEIVED RECEIVED RECEIVED 20 DEPARTMENT DEPARTMENT DEPARTMENT SAFETYSAFETY -- J. O'Brien Subject Report on Monitoring Airborne Asbestos Fibers for Job 8633 Coples Dick Abbey Corporation Bechtel Corporation office Memorandum Date March 16 1972 From J. Neerhout Jr. Field Construction At Ingleside Texas Job 8633 Attached is itoring the spraying of a copy amount Limpet of the report Reynolds Metals Company of airborne asbestos fibers generated insulation for the # Kiln ESP made on mon- during the The subcontractor doing the insulation AC & S was employed by Bechtel under Contract 8633 Please file with the First Aid Dead File previously transmitted JN Enclosure J./Neerhout Jr. Project Superintendent 288 -- 800 3.08 Batchelo 0000411 . INT ACOMPANY CORRESEPNCOE R.98 Rev. 1-68 FROM | muy TO P. Fischer Mr. R. H. Featherston Co a! DATE & SUBJECT February 1972 . AIRBONE ASBESTOS FIBERS During the time when construction workers are insulating the No. 9 kiln ESP there is a considerable quantity of visible agglomerates of asbestos floating downwind of the area Intermingled with the large agglomerates are finite particles which are not visible but which are trapped on a membrane filter The fibers are generated when the asbestos or limpet , is blown onto the equipment being insulated Sampling was done on two separate days and the fibers 5mm or longer were counted using a phase contrast microscope with results as follows Date 2/21/72 2/21/72 Location Wind oo, a Direction . Ground level 200 ft N of headhouse & ~ SE Fibers 0.178 Headhouse ESP floor NE corner S 0.296 + 2/23/72 Headhouse ESP floorNE corner 2/23/72 Same location S 200 S 2.4 2/23/72 Same location S 1.9 The measurements fall below the 5 particles limit established by OSHA The large agglomerates are not caught in the filter x P.Fischer Batchelo 00004114