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NYC-WTC_000202744

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000202744–000202760
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NYC 9/11 Public Portal Document

1 -24--O2 ; 1 2 ■- 3Op!>M; NYC Lsw Department ;12123618765 # 13/ 55 JflN-22-2002 09=49 OSEP UNIT RM. 7345 202 324 9235 P.09Z43 J

Industrial Hygiene Survey Federal Bureau of Investigation, Staten Island. NY

collected at a flow rale of 1.7 Ipm. The PVC cassettes were prepared and analyzed gravimetrically by Galsoh Laboratory. The samples, were analyzed by NIOSH method 0600/7500, The respirable dust samples were also analyzed for crystalline silica including 1 quartz, cristobalite, and tridymite. Results are reported in milligrams per cubic meter.

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CITY_21MC100_002466435 NYC-WTC_000202751

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NYC-WTC_000202751Source: NYC Law Department, mirrored locally

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