NYC-WTC_000175179
ATC Associates report on hydrocarbon air sampling conducted at DeSoto School in August 2002.
8 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Document / 2 pages
NYC-WTC_000199448
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000199448–000199449Page image
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OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Mr. Bernard P. Orlan September 16,2002 Air Sampling for Hydrocarbons Page 2 P. S. 130M (Manhattan) ATC Project No. 15-19125-0345
The sampling locations were the Main Lobby, 4*’’ floor hallway by stair C and 5^*’ floor hallway by stair B.
Results
Xylenes, total was found in one sample (ATC-0826-130M-VOC1) taken from the school’s Main Lobby in a concentration of (0.18 ppm). Hexane was also found in other sample (ATC-0826-130M-VOC3) taken from 5‘^ floor hallway by stair B in a concentration of (0.087 ppm).
These Compounds are all found as components of paints, resins and waxes Their presence are consistent with the painting, floor striping, waxing, polishing and other maintenance work being conducted prior to re-opening of the school. These level are well below any established exposure limits. Following completion of the work, normal ventilation should dissipate any remaining vapors.
ATC appreciates the opportunity to provide this indoor air quality service to the BOE, Please call me at (212) 353-8280 extension 298 if you have any questions.
Sincerely, ATC .Associates. Inc. Reviewed by
Wagdi Abdelshahid Michael G. Donovan, CIH, Industrial Hygienist Manager of Industrial Hygiene Division
Attachment
CITY_21MC1OO_OO3O34O58
NYC-WTC_000199449
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NYC-WTC_000199449Source: NYC Law Department, mirrored locally
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Memo reporting results of air sampling for volatile hydrocarbon compounds conducted at P.S. 126M on August 29, 2002.
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