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NYC-WTC_000199812

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000199812–000199860
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z ■< z o o io I ■D o c o CT o co TABLE 13. SUMMARY OF RESULTS OF TRANSMISSION ELECTRON MICROSCOPY ANALYSES o' ■D CD 00 FOR AIRBORNE ASBESTOS o 3. ro 45 WARREN STREET, NEW YORK CITY o o o c 3 STRUCTURES GREATER THAN 0.5 MICROMETER CD o

Structure Concentration, Structures/mL Structures Volume Number Sample Fiber per of Air of Description Type 95% Confidence Analytical Square Sampled Structures Mean * Interval Sensitivity Millimeter Liters Counted

Sample 45WAR-5-A4 1 Chrysotile NSS 0 - 0.012 0.00210 6.5 1183 9/18/01 0 Amphibole ND 0 - 0.007 0.00210 0 1183 5th Floor Total NSS 0 - 0.012 0.00210 6.5 1183 1 Roof, Outside Loft to 4^* Sample 45WAR-5-A5 Chrysotile ND 0 - 0.007 0.00205 0 1200** 0 9/18/01 Amphibole ND 0 - 0.007 0.00205 0 1200** 0 5th Floor Total ND 0 - 0.007 0.00205 0 1200** 0 Open Blank

* No mean value is reported when fewer than 4 countable structures were detected in the portion of sample examined ND No Countable Structures Detected NSS Not Statistically Significant (1 to 3 countable structures detected) ** Assumed air volume for calculation

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NYC-WTC_000199842Source: NYC Law Department, mirrored locally

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