Asbestos Project Notification and Inspection Report, Dec 2002

NYC 9/11 Public Portal Document X4;/ XA* ..............................

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(|j Designation: D 5755 - 95 AMERICAN SOCIETY POR TESTINtJ ANO MATCniALS mo Uses St. Pnaaseinhla. P» 19I0J Hcp>:«n) Itom IM Annuil BOO* ol ASTM Slanaa>lt«. OWnON A5TM Il not ksteo In the eunent co(nWned Index. wU appoar wi Uh MiS KiSHn

standard Test Method for Microvacuum Sampling and Indirect Analysis of Dust by Transmission Electron Microscopy for Asbestos Structure Number Concentrations'* This MPihire U Issued under die fixed dedgnalion 0 $155; the number immediucty fBllo'Hnt the dcsignetion indicates Ihe year of original adoption or. in the ease orreviilon, the year of ton rsviilan. A number in parentheses indicates the year of tost teapptovaJ. A sopereceipt epellon (,) indicates an editorial change iincc the ton revision or reapproval.

I. Scope responsibility of the user of this standard to establish appro­ l.l This test method covers a procedure to (a) identify priate safely and health practices and determine the applica­ asbestos in dust and (i) provide an estimate of the concch- bility ofregulatory limitations prior to use. tration of asbestos in the sampled dun reported as the 2. Referenced Documents number of asbestos structures per unit area of sampled surface. 2,1 ASTAf Standards; 1.1.1 If an estimate of the asbestos mass is to be deter* D1193 Specification for Reagent Water* mined, the user is referred to Test Method D 57S6. D1739 Test Method for the Collection and Measurement IJ This test method describes the equipment and proce­ of Dustfall (Scttlcable Particulate Maturp dures necessary for sampling, by a microvacuum technique, D319S Practice for Rotameter Calibration’ non-airborne dust for levels of asbestos structures. The D3670 Guide for Determination of Precision and Bias of noo-airborne sample is collected inside a standard fiber Methods of Committee D-22’ membrane cassette firom the sampling of a surface area for D5756 Test Method for Microvacuura Sampling and dust which may contain asbestos. Indirect Analysis of Dust by Transmission Electron 1.2.1 This procedure uses a microvacuuming sampling Microscopy for Asbestos Mass Concentration’ technique. The collection efficiency of this technique is unknown and will vary among substrates. Properties influ­ 3. Terminology encing collection efficiency include surface texture, adhesive­ 3.1 Dsfiniliorts: ness, deetrostatic properties and other factors. 3.1.1 asbestiform—a special type of fibrous habit in which ij'Asbestos identified by transmission electron micros­ the fibers are separable into thinner fibers and ultimately copy CTEM) is based on morphology, selected area electron into fibrils. This habit accounts for greater flexibility and diffraction (SAED), and energy dispersive X-ray analysis higher tensile strength than other habits of the same mineral. (EDXA). Some information about structure size is also For more information on asbestiform mineralogy, see Refs determined. (J),- (2) and (3). 1.4 This test method is generally applicable for an esti­ 3.1 J asbestos-^z collective tenn that describes a group of mate of the concentration of asbestos structures starting from naturally occurring, inorganic, highly fibrous, silicate domi­ approximately 1000 asbestos structures per square centi­ nated minerals, which are easily s^jarated into long, thin, metre. flexible fibers when crushed or processed. 1.4.1 The procedure outlined in this test method employs Ducusson—Included io the dcfittitioa are the asbesdform varieties ap indirect sample pteparaxion technique. It is intended to oE serpentine (chrysotile); riebeckjic (croddoliieX grunerite (grunerite disperse aggregated asbestos into fiind^cntal fibrils, fiber oJhestOJ): amhophymte (aothtwhyUhe aatotosh tremoHte (tremolite bundles, dusters, or matrices that can be more accurately ashcam); and actinolite (actinolite adrettosK The amphibole nuneml quanfifi^ by transmisaon electron microset^. However, as eompositioiis an defined aooording to noroendature of the Interaa- with all indirect sample preparation techniques, the asbestos dond MineniogtGal Asociation (3). observed for quantification may not represent the physical Asbestos Qwndcat Abwaet Sovks No.' form of the adiestos as sampled. More specifically, the esnytotito 1200I.2M procedure described neither creates nor destroys asbestos, Croridoate ISX»-3M Gninerite Asfaoittu 12172.7J-3 but it may alter the jrfiysical form of the mineral fibers. AMhophylliw Asbeno# 7753M7-S IJ The values stated in SI units are to be regarded as the TiEBoSle Atfaotos 77$36-6W studard. The values given in parentheses are for informa- AJStinoQie Asbestos T753«-«-« uon only. 3.1 J angle fiber that cannot be separated into 1.6 Tfrir standard does not purport to address all of the safety concerns, if any, assochit^ with its use. U is the * Arnold Book i/ASTU Staodardj, Vol 11X1. iAtoaiid Soak iddSrUSiatdafdi. Vol 11.OX *7111* lea BKlhad fa tinder the juifadSatoA ef aSTM Coruiuiicc D>22 on < THe bokirncc iramben in jaremhesej refer to die Un oriefireooei at lie end Sunptiiie and Amdjfw of AtmewJiss and fa die diiccl tenondMiir of oTllifaled BKliMid. Suheoromino# D21C7 on Samolint and Ambafa of Aabejio*. '■The non-Bsbodfonn vatinliona oT tile minenfa indieaUd m 5,1 J have Cuncol edWon approved Awd 15. 1955. Potdehed OUobcr 1595, dilTcicnl Cheinicat AbniBCl Sendee (CaS) numhsie. I

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