NYC-WTC_000186193
Draft environmental data report for the World Trade Center site prepared by IT Corporation for the EPA in November 2001.
19 shared non-person entities · similarity 0.943
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NYC-WTC_000199886
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000199886–000199894Page image
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NYC 9/11 Public Portal Document
Total volatile organic compound concentrations varied widely during the period and seemed to correlate with painting being conducted within the school. ATC reported that the highest total VOC levels were in areas where strong paint odors were noted.
B. Sampling Conducted at Request of PS 234 PTA
In addition to the sampling being performed by the Board of Education, ENVIRON provided a recommendation for conducting additional sampling at PS 234 to address potential air quality issues in and around the school as well as evaluate the adequacy of the cleanup operation conducted at the school. Following discussions with the New York City Board of Education, a final scope of sampling was developed, which included:
• Conducting air monitoring at four locations inside the school, two locations outside the school within the play areas, one location on the school roof, one location outside the main entrance to the school. The samples were to be analyzed for volatile organic compounds (VOCs), polycyclic aromatic hydrocarbons (PAHs), PCBs, dioxins and dibenzofurans, metals, cyanide, and particulates. In addition, measurements of other potential air pollutants were to be performed, including carbon dioxide, carbon monoxide, hydrogen sulfide, chlorine gas, nitrous oxides and sulfur dioxide. The parameter list was developed based upon a review of air quality data for the vicinity of ground zero.
• Conducting one round of wipe sampling from surfaces throughout the school for analysis of PAHs, PCBs, dioxins and dibenzo furans, metals, and asbestos.
• Conducting air sampling for fungal spores to assess potential impacts to indoor air quality from minor flooding that occurred in the school basement in the days immediately after September 11.
The results of the sampling are summarized below.
Air Monitoring
Asbestos (Secember 5, 9, and 12, 2001)
A total of 18 air samples per day were collected on each of three days from a variety of locations inside and outside the school and analyzed for asbestos using transmission electron microscopy (TEM). ATC reported that none of the 54 air samples collected was found to contain any measurable asbestos structures.
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CITY_21MC100_008972440
NYC-WTC_000199889
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NYC-WTC_000199889Source: NYC Law Department, mirrored locally
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