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TEM AHERA countsheet, Environmental Services Inc., Feb 2003

Machine-extracted title · confidence 90%

Laboratory countsheet for transmission electron microscopy asbestos analysis using EPA Method 7400.

NYC-WTC_000186914
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NYC 9/11 Public Portal Document

ATHENICA ENVIRONMENTAL SERVICES INC.

lei. (718) 764-7480 46-08 Gteenpolnl Avenue Fax (718) 784^085 Lono Island City. N.Y. 11104 TEM DEPARTMENT

TEM AHERA COUNTSHEET CLIENT : DATE : ANALYST: Jb.ya3 PROJECT : BATCH # : 7-^^ CLIENT ID # : VOLUME (It) : G.O. AREA (mm ): GO’S TO ANALYZE : y MAGNIFICATION :_______ / ACC. VOLTAGE (KeV) : INSTRUMENT: JEOLIOOCXII FILTER AREA (mm^) : ANALYTICAL 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 SAE EDXA PHO ID D ID Classf. (ym) ((tm) D TO#

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Analytical Sensitivity (str/cm^): <7 Eucentricity check : / Yloncentration (str/cm") ; 00^0 *Grid acceptance criteria check : (A)../. ”(B).t%. Concentration (str/mm ): **CHR. # STRUCT. : F M C B" ■Number of Asbestos Structures : 0.5<S<5pm .. {p.. **AMPH.# STRUCT.:F M C B S>5rim <3 Specify AMPH. Type : AM. ACT. TRE Number of Non-asbestos Structures:.......... CRO. ANTH. *RepIica cc'Ci s ■5n=C.al IcasI 20 GO'S with no overlapping or folded replica, intact GO’s liave >50% cor erage, •'> . IJndissoIvcd filler, ■ 5“ holes or opaque areas, -■ 10% pailictilale coverage. ** I :MI< =chiy.solilc. AMPI-l.-^^amphibolc, .AM =amosile, Ai5T.=aclinolitc, TRE.=tiemolile, CKO.^crocidolite, AN I'H,=^anlliuphr Hile

CITY_21MC100_002964488

NYC-WTC_000186914

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NYC-WTC_000186914Source: NYC Law Department, mirrored locally

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