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NYC-WTC_000197534

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NYC 9/11 Public Portal Document

Mr. Bernard P. Orlan October 24, 2001 Indoor Air Quality Assessment Page 5 Stuvvesant Hish School fM477) ATC Project No. 15-19125-0246

RECOMMENDATIONS

Based on the findings and conclusions above, ATC recommends the following:

• Keep CO2 and relative humidity levels within established guidelines by using adequate ventilation; • Ensure that the HVAC system is operating properly; • Consider upgrading the filters on the HVAC intakes; • Conduct timely follow-up monitoring/inspection to ensure that recommendations were effective.

It is our pleasure to provide these indoor air consultative services to the New York City Board of Education. If you have any questions about this report, please call (212) 353-8280, extension 261 or 212.

Sincerely, ATCASSOCL4TES INC.

James R. Cohn, CIH, CSP Regional Manager Industrial Hygiene Division

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CITY_21MC100_0 03045658

NYC-WTC_000197538

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NYC-WTC_000197538Source: NYC Law Department, mirrored locally

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