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TEM AHERA countsheet, Nov 2002

Machine-extracted title · confidence 95%

Laboratory countsheet documenting TEM analysis settings and methodology for an asbestos air sample.

NYC-WTC_000186935
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Scanned page image, NYC-WTC_000186935
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NYC 9/11 Public Portal Document

ATHENICA ENVIRONMENTAL SERVICES INC,

46-00 Greenpoint Avenue Tel, (71B) 7e<-74&0 lonp Island City, N.Y. 11104 TEM DEPARTMENT fax (716) 764^086

TEM AHERA COUNTSHEET. CLIENT : i DATE: n-iloT PROJECT ANALYST/ e-S. BATCHU-0^1 CLIENT ID#: J SAMPLE ID # : yp/Z.-OT i - 2-701 4 VOLUME (It): G O. AREA (mmJ : GO’S TO ANALYZE : MAGNIFICATION : H ACC. VOLTAGE (KeV) : (oo INSTRUMENT : JEOL lOOCX II FILTER AREA (mm^) : ANAJLYTICAL METHODOLOGY: EPA FEDERAL REGISTER, VOL, 52, No 210,OCT. 30, 1987, #40 CFR, PART 763, APPENDIX A TO SUBPART E

GRl GO Str. Str. L W Structure sketch I SAE EDXA PHO ID D ID # Classf. D TO#

e. £ QI A® er (1%

Analytical Sensitivity (str/cm^): O-Cto^^ Concentration (str/cmJ): Z.0 ■Oo2?9 *Qrid acceptance criteria check • (A),,..'' (B)_,. Concentration (str/mm''); IS ♦*CHR. # STRUCT, :F M C B~ •Number of Asbestos Structures: O.5^S<5ttm ,, .9. **AMPH. # STRUCT.:F M C B S^5pm......... Q. Specify AMPH, Type : AM, ACT, TRE, Number of Non-asbestos Structures:,.................. CRO, ANTH, *Repltca covers >50%,at least 20 GO’s with no overlapping or folded replica, intact OO’shave >50% coverage, <50% Undissolved filter, <5% holes or opaque areas, <10% particulate coverage, ** CHR.=chrysotile, AMPU.=amphibole, ?kM.=amosite, ACT,=actinolite, TRE.=tremolite, CRO,=crocidolite, ANTH,=anthophylltte

CITY_21MC100_002964759

NYC-WTC_000186935

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NYC-WTC_000186935Source: NYC Law Department, mirrored locally

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