Document npog2wkbOVY4r7Vg0aa5KqK8z

--aaw8ia.iW'CMiattB8i acMMSiiigiMamuCM .,ii -mwim: i; j-fcais 3aj,Mafe.;jlaia.aaii TO : Sam Ellis Jr. FROM : David Horecka Ja/v V DISMANTLEMENT & REARRANGEMENT ASBESTOS REMOVAL - PERIPHERY MONITORING Monitoring was done to ensure that the barricaded boundaries around the old Nylon block are below the TLV-for Asbestos of 0.5 fibers/cc ? 5 microns/cc in length. Samples were taken downwind of the project. A total of ten "spot checks" were made on three different days, to allow for variations in weather data and work load changes. The samples were obtained using NIOSH Analytical Method P&CAM 239. Calibrated Dupont P-4000, and Bendix 44 high flow sampling pumps were used to pull ambient air through a 37 mm cassette with a Millipore AAWHP 0.8 um MCE filter in line. Airborne Asbestos fibers were trapped on the filter. The cassettes were analyzed by the Clayton Environmental Consultants, Inc. for Asbestos fibers greater than 5 Microns in length (fibers/filter). The results (Table I) show that Asbestos periphery levels are well below the TLV. DU 009895 DUP 0814594 '*.Hii:,;;i.,k'i;M; ,..aaajL-^^-.^-----L-nVstafei. .. r i-iirfrhf-Pi feta* if ajgaiw^5i,jiiafc H- (-< O M on3 (Q Hin tt >t f. ro 3 > tr* 3 F- P(_i 3H- *< Ct UUUUUUUUIWU oooooooooo 0>CF'O'>GiQ'i0`cricr*0>c,> cd 3 tn ro Ct WUJUJtOtOtOtOCOtON) cPrnCD c hd i--1 cn <t P -- m to n- F- 0 n hi i1"- _ a CD h- o s c 3 ft 3 3 -* CD CD n ro P ct ro t H13 rt 3* ct CD F< H* O F* P CD C O p. 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