NYC Law Department release
Independent mirror · updated as the City releases more · v1.3.2
☕ Buy me a coffee
← Document results/Unboxed/No folder label
Document / 4 pages

Indoor air quality report cover letter, P.S. 150M, June 2002

Machine-extracted title · confidence 95%

Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on May 31, 2002.

NYC-WTC_000178766–000178769
←Page 4 of 4→
Mirrored PDFOfficial City PDF ↗
Page image
Scanned page image, NYC-WTC_000178769
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Mr. Bernard P. Orlan June 3, 2002 Indoor Air Quality Assessment Page 4 P. S. 150M ATC Project No. 15-19125-0289 * The measurements made during this assessment were instantaneous readings, the NPAAQS is a 24-hour average.

Tl^OC Concentrations

TVOCs were not detected anywhere inside the building (0.0 ppm). The outdoor TVOC concentration was also 0.0 ppm.

OBSERVATIONS

During this assessment, ATC noted the following: • There was construction work going on in the plaza; • The school building was occupied at the time of the assessment; • No smoke odor was detected in the building;

FINIMN^

Based on the real-time measurements, the following findings are presented:

I. Concentrations of indoor respirable particulates, CO2, CO, and TVOCs were within applicable standards and guidelines. 2. Six (6) of the indoor temperature measurements were above and four (4) measurement were below the range of 73 to 79°F (at 50 percent relative humidity) as recommended by the ASHRAE Standard 55-1992 during the mechanical cooling season (summertime conditions). 3. All of the indoor relative humidity measurements were within the ASHRAE-recommended range of 30 to 60 percent for occupant comfort.

It is our pleasure to provide these indoor air quality services to the New York City Board of Education. If you have any questions about this report, please call (212) 353-8280, extension 211 or212.

Sincerely, /I TC ASSOCIA TES INC.

Yiannis Efstathiou Senior Project Manager

Attachment

CITY_21MC100_002894176

NYC-WTC_000178769

OCR can misread numbers and units. Confirm readings against the page image before using them.

NYC-WTC_000178769Source: NYC Law Department, mirrored locally

Related records

Browse subjects →

Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.

Same-box records

Filed elsewhere

No available related records indexed in this group.

More like this page

Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.

Others also read

Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.

Compare copies and versions →