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← Document results/DEP Box 46/395 345 SOUTH END AV 1083377, 16/100
Document / 40 pages

HVAC inspection report cover letter, Dec 2002

Machine-extracted title · confidence 90%

Cover letter from Athenica Environmental Services regarding HVAC and environmental inspections at 395 South End Avenue.

NYC-WTC_000117561–000117600

Folder label: “395 345 SOUTH END AV 1083377, 16/100

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Scanned page image, NYC-WTC_000117587
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NYC-WTC_000117587 EMSL Analvtical, Inc. 107 Haddoo. dor. Westmond. V/08108 Order ID:040217979 Attn: Fas: Project: U.S. EPA HQ Financial Services Division 1200 Pennsylvania Avenue. NW Maildrop 2734R Washington. DC 20460 Residence : 395 South End Ave Report Dare: 11:07:02 Customer ID: Customer PO: Date Received: USEPA3O 2W-1104-NNLX 11:02 027:05 PM EMSL Order: EMSL Project ID: Date Analyzed: 040217979 11:6-11/702 Silica, Crystalline Analysis of Bulk Dust Samples Performed by X-Ray Diffraction (XRD) NIOSH Method 7500 (Modified), Issue 3, 1/15/98 Sample ID Location 05569-301-562 mechanical room exhaust Sample Mass (8) 0.0021 a-Quartz Cristobalite Tridymite Gypsum Calcite Portlandite 4.14 0.95 <0.95 2.B6 3.29 0.95 Ref Std 0.0260 NÁ 0.024 mg 0.030C 0.061 mg NA N/A 0.050T Note:Reported quartz contents may not represent respirable quartz fraction. due to large particle size of the samples. Instrument Sensitiviey: 0.005 mg: a-Quarr= 12.010 mg: Ciypsum 0.090 mg 0,.020 mg: Cristohulite Triekmite Cakile Porrlandite N:A * - Less than the stated value. The lowest reportable value is equivalent to the Analstical Sensitivity which is calculated from the lowest reproducible concentration of silica detectable bs the instrument. Anant Samudra, Ph.D. Analyst Stephen Siegel, CII- Lab Manager Or other approved signatory AIHA Accredited - Lahoratory ID #100192 Page lofl NYC 9/11 Public Portal Document

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NYC-WTC_000117587Source: NYC Law Department, mirrored locally

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