OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
104 East 25tl- New York New York 10( wv/watc-enviroc 212 353 8: Pax 212.353,82 ASSOCIATES INC.
February 4, 2002
Mr. Bernard P. Orlan Director, Environmental Health & Safety New York City Board of Education 2S-] ] Queens Plaza North Long Island City, NY 11101-4008
Re: Indoor Air Quality Assessment P.S. 234M ATC Project No. 15-19125-0279
Dear Mr. Ori an;
ATC Associates Inc. (ATC) is pleased to provide this report of indoor air quality (lAQ) measurements collected on February 1, 2002, at the referenced school. The New York City Board of Education (BOE) requested these measurements to evaluate air quality in the school building prior to re-occupancy.
SCOPE OF WORK
ATC conducted this evaluation to assess the basic parameters of temperature, relative humidity. carbon dioxide (CO,) and carbon monoxide (CO).
Total volatile organic compounds (TVOCs) and respirable particulates (PM^ si were also measured.
Mr. Jimmy Choy, Industrial Hygienist of ATC’s New York City office, conducted the assessment. ATC’s findings and conclusions are based on a visual inspection. leai-ume environmental measurements and conditions present in the school at the time oi the assessment.
ATC measured temperature, relative humidity, CO. and CO with a Q-Trak''- Model 8551, manufactured by TSI, Inc.
ATC measured concentrations of respirable particulates (PM2.5) with a Dust-Trakh Aerosol Monitor Mode! 8520, manufactured by TSI, Inc.
ATC measured concentrations of TVOCs using a RAE Systems, Inc. MiniRAE® photoionization detector (PID).
CITY_21MC100_002878432
NYC-WTC_000218435
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NYC-WTC_000182879
Report of indoor air quality measurements collected at PS 234M on February 11, 2002, to determine if acceptable air quality is maintained.
10 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000182868
Report detailing indoor air quality measurements collected at PS 234M on February 1, 2002, to evaluate conditions prior to re-occupancy.
13 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗10 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000182899
Report of indoor air quality measurements collected at PS 234M on February 25, 2002, to determine if acceptable air quality is maintained.
9 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗10 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗11 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗10 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗12 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗10 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗9 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗10 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗11 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗No available related records indexed in this group.
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NYC-WTC_000182868
Report detailing indoor air quality measurements collected at PS 234M on February 1, 2002, to evaluate conditions prior to re-occupancy.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000177847
Cover letter and report detailing indoor air quality measurements collected at PS 234M on January 24, 2002, to evaluate building contamination.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗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.
NYC-WTC_000182879
Report of indoor air quality measurements collected at PS 234M on February 11, 2002, to determine if acceptable air quality is maintained.
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Report detailing indoor air quality measurements collected at PS 234M on February 1, 2002, to evaluate conditions prior to re-occupancy.
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NYC-WTC_000182899
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