11 shared non-person entities · 1 shared topics · similarity 0.971
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NYC-WTC_000202761
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NYC 9/11 Public Portal Document
Air Monitoring in Lower Manhattan Page 3 of3
DEP has been working with the involved City agencies, including the Board of Education, to provide air monitoring in and around the schools near the World Trade Center disaster site. DEP is collecting 8 hour ambient air samples that are analyzed for asbestos at four locations. These locations are outside of the main entrances to: Stuyvesant High School, IS/PS 89, PS 234 and the High School of Economics and Finahce. DEP began sampling on October 4,2001. From October 4th through October 18th, DEP only did a TEW analysis if the PCM concentration was above 0.01 fibers per cubic centimeter (Lee). During this period of time, there was only one reading above 0.01 f/cc. The TEM result was below the Asbestos Hazard Emergency Response Act (AHERA) standard of 70 structures per square millimeter (s/sqmm). As of October 19, DEP began conducting a TEM analysis on all samples to provide a direct comparison to the AHERA Standard. Of the 356 samples that have been collected between October 19 and January 15, 2002, all have been well below the AHERA standard of 70 s/sqmm. Since that period, the results continue to be well below the AHERA standard.
School Monitoring Data ►
Additonal Information
• Advisory for Building Facade Clean-up • Notice to Building Owners Located South of 14th Street, Manhattan: Building Maintenance Issues Involved in Reopening Buildings Closed Since 9/11/01 • New York City Department of Health Responds to the World Trade Center Disaster
Last updated February ], 3002
Air. Noise and Hazardous Materials
• Air monitoring in Lower Manahattan * Certified .Asbestos Investigaiors. Contractors and Firms • Asbestos Rules and Regulations • Asbestos Abatement Activity Fonns
About DEP I Customer InformaHonl Education information |DEP News 1 Contact Us I DEP Homeoaqe!
GO to NYC.gov Home Page Mayor's Officel Citv Agencies I Setvicesl News and Features ICity Life | Contact Us I Search
CITY_DEP_WORBY_CANNATA_SUBP_000035335
NYC-WTC_000202763
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