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TEM AHERA countsheet, Environmental Services Inc., Feb 2003

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

NYC-WTC_000186904
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NYC 9/11 Public Portal Document

ATHENICA ENVIRCNMENIAL SERVICES INC,

<6-08 Gteenpolnl Avenue HI. (718) 7e4-74»0 TEM DEPARTMENT F»x (716) 784^085 Lenj Islent) Ctty, N.Y. inCM

TEM AHERA COUNTSHEET CLIENT : DATE : PROJECT ; /.k ANALYST : 7 BATCH n : _______ CLIENT ID # ; 03 SAMPLE ID # : 77?^ - J J? VOLUME (It) : G.O. AREA (mm^): ' GO’S TO ANALYZE : MAGNIFICATION : / ACCyOLTAGE_(Key)2__2^ INSTRUMENT: JEOL lOOC FILTER AREA (mm^) : . ANALYTICAL METHODOLOGY: EPA FEDERAL REGISTER, VOL. 52, No 210,OCT. 30, 1987, #40 CFR, PART 763, APPENDIX A TO SUBPART E

GRI GO Str. Str. L W Structure sketch SAE EDXA PHO ID D ID Classf. (pm) (pm) D TO#

£51^ M.® A ^7

Analytical Sensitivity (str/cm ): Q Euceiitricity check : , Concentration (sti7cin‘) : ~ <1 Q . oO‘~i *Grid acceptance criteria check : (A),7 (B).... Concentration (str/mm^jH **CHR. # STRUCT. : F M C "“B ■Number of A.sbestos Structtires : 0,5<S<.5|.tm , **AMPH,# STRUCT.:F M C 13 , S>5iim....... Q.. Specify AMPH. Type : AM. ACT. TRE. Number of Non-asbeslos Structures: CFXL ANTH. ...... *Keplii :i CO', ei.s :'.Sfi’,„.al least 20 OCr.s wiili no cecerlapping or folded replica, intact GO’.s liace i-.^O'Vi coverage. ■..S'l'":. I .In.hssol-.rd filter. <'.5’

liolc'. '7 ipaq'iL iiyiio, ■ lu''„ pallii'Ll.rc vverage. ' I 'll)-! • •cliL.'sc-tile. .AMPN •-aniphibulc. AM.--aint'S'ile, A( "1 ^=aclinulitc. I KI- •-Ireiuulilc. .ANI !i --aiilb.'ptiylliL-

CITY_21MC100_002964442

NYC-WTC_000186904

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NYC-WTC_000186904Source: NYC Law Department, mirrored locally

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Laboratory countsheet recording transmission electron microscopy parameters for an asbestos air sample.

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