Asbestos analysis methods for carpeting samples, 1993

NYC 9/11 Public Portal Document

ing the cleaning of the total carpet. However, there is rettson to References believe that carpei.s can act as a trap for asbestos fibers and that activiiie.s short of carpet removal may not disturb asbestos fibers which have worked their way deep into the carpet pile. I)Wilmoth,R.C.,TJ.Powersandj.R. Millettc. "Obscrvaiionson For lho.se libers which can be readily reenlraiited into the air Studies Useful to Asbestos O&M Activities". Micrii.'inipe. 39:299-312 (1991,. from the carpet surface during cleaning activities the microvacuuming procedure may be more appropriate. This is 2) Kominsky. J.R.. R.W. Freybcrg, J. Chcsson. W.C. Cain. T.J. reasonable considering that the m icrovacuuming procedure col lect.s Powers. T.J. and R.C. Wilmoth, "Evatualion ofTwo Cleaning Methods fibers from the ion layerof the carpel and the bulk-carpet sonication for the Removal of Asbc,sios Fibers from Carpet." Am. Iml. Wy.v. procedure shakes out more libers which may be embedded deep in J. 51 (9>:5(X»-5(J4.tiyyw), the caritet pile. The data show that the sonication of bulk-carpet samples is a more precise prtxretlure than the microvacuuming .3) Kominsky. J.R.. Freybcrg. R.W.. K.A. Bracken. B.A. Hollett. R.C. Wilmoth.and P.J. Clark. "EvaluationofTIireeCleaning Methixls for procedure. However, the microvacuuming procedure has an Removal of Asbestos Fibers from Carpet and Associated Airborne Fiber advjintage of being non-deslruciive. While some building owners Concentrations"." Presented at Environmental Managernent ‘92, the N inth may be willing to have a piece of carpeting cut from their building Annual Convention and Exposition oftheEnvironiiMmial Infonnation if the carpet is to be removed, it is les.s likely that a piece may be cut AsstK-ialion. April 8. 1992. Pittsburgh, Pa, if the intent is to study the efleciivenes.s of various cleaning procedures. 4) Chatfield. EJ.,"Analytical Protocol for Detennination of Asbes- lo.s Contamination of Clothing anti Other F;ibric.s". Mivriwn/ie. .3S;22I- It i.s probable that a relationship exist.s between carpet con­ 222(1990). tamination and air levels of asbesio.s produced during cleaning and other activities. For a given carpet, a higher level of asbestos in the 5) Chatfield.E.J. and M.J. Dillon, .■\iialyiicaliiieilindjnr(Ivlcrniina- carpet would be expected to produce a higher level in the air For a tiiiii ft/(Khexltixftherx in water. U.S. EPA-6(X,/4-84-(M3. 1983. particular activity. The iwo methods described here will provide the bitsi.s for evaluating the level of asbestos contamination in 6) Brackeit,K,A., P.J. Clark and J.R, Millettc, "A Method for tlie Analysis of Asbestos Fibers in Water Using MCE Filters". Miirtacnpe. ■ carpeting to be compared with levels of asbestos in the air produced 40(3): 159-163.(1993) during studies of re-enirainmcni. 7) Caner. J.W., P.A. Baron and D.G. Taylor. "NIOSH 741,2." NIO.W Mmiiiul iifAiKilyiu at Mctlimh. Pp. 7401 -1 - 7402-7 (19S7|.

8) Yamate. M..S.C. Aganval .and R.D. Gibbons. "Methodology for the Measurement of Airborne Asbestos Concentr.itions by Electron •SAMPLING Micnxscopy". Draft Repnrr, Washington. D.C.: Office of Research and Development. U.S. EPA. Contract No. hX-()2-3266. 1984. PUMPS REPAIRED 9) U.S..EPA. Asbestos Hazard Emergency Rcspon.se Ac, (AHERA, •BATTERY PACKS Regulations. (40 CFR 763 Subpan E). Oct. 30.1987.

REBUILT It), Microvacuuming samplers arc commercially available from Environmetrics, Inc.. 1019 Bankion Dr.. Charleston. S.C. 294(XS

•LO VOL AND HI VOL 11) Personal communication: Kominsky. J.R. and R.W. Freybcrg. Environmental Quality Management. Inc.. Cincinnati, Ohio. PUMPS •PERSONAL PUMPS •PAPR’S REPAIRED •FASTTURNAROUND •WARRANTY GIVEN Author AmuATioNS

Save 40% to 50% on Repairs and Batteries. Also:The Perm-O-Fix '' Ji/niex R. Milleite. Pli.D.. timl R.K. Wlieelex. MVA. Inc. 5500 0 Oakbnufk Pk»y.. tf2OO. Ntmntxs. GA 30093. Acetone Vaporizer Built and Sold Q ® PJ. Clark., US. Em ironinental Protection Afienty Risk o ATLANTA LAB SYSTEMS Redaction Enaincerin!’ Lahoratory, Mailsrop445.26West Martin 0 0 115 CEDAR TRACE o Lather Kiiif! Dr.. Cincinnati. OH 45268. ROSWELL, GA 30075 (404) 993-7850 Kim A. Bl ackett. Ph. D.. IT Corporation. 11499 Chester Road. Cincinnati. OH 45246.

Environmental Choices Tedinkol Supplement • Morch/AprS 1993

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