OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
104 East 25th St., 10th Floor New York, New York 10010 www'.atc-enviro.corn 212.353.8280 Fa,v 212.353.8306 ASSOCIATES INC.
March 20, 2002
Mr. Bernard P. Orlan Director, Environmental Health & Safety New York City Board of'Education 28-11 Queens Plaza North Long Island City, NY 11101 -4008
Jte: Indoor Air Quality Assessment P.S. 150M 334 Greenwich Street New York, New York 10013 ATC Project No. 15-19125-0289
Dear Mr. Orlan:
ATC -Associates Inc. (ATC) is pleased to provide this report of indoor air quality (lAQ) measurements collected on March 19, 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 QtLWORK
.M'C conducted this evaluation to assess the basic parameters of temperature, relative humidity, carbon dicxuie (CO,) and carbon monoxide (CO).
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-Trak® Aerosol Monitor Model 8520, manufactured by TSI, Inc.
ATC measured concentrations of Total Volatile Organic Compounds (TVOCs) using a R.AE Systems, Inc. MiniltAfE® photoionization detector (PID).
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, real-time environmental measurem ents and conditions present in the school at the time of the assessment.
CITY_21MC100_002954243
NYC-WTC_000187673
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NYC-WTC_000177942
Letter reporting indoor air quality measurements conducted at P.S. 150M to evaluate conditions prior to re-occupancy.
11 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000178754
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on May 17, 2002.
11 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000178734
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on April 18, 2002.
11 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000177954
Letter reporting indoor air quality measurements conducted at P.S. 150M to evaluate conditions prior to re-occupancy.
11 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000177946
Letter reporting indoor air quality measurements conducted at P.S. 150M to evaluate conditions prior to re-occupancy.
11 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000178746
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on April 23, 2002.
11 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000177934
Letter reporting indoor air quality measurements conducted at P.S. 150M to evaluate conditions prior to re-occupancy.
11 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗11 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗11 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000178726
Letter from ATC Associates providing indoor air quality measurement results collected at P.S. 150M prior to re-occupancy.
11 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗11 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗No available related records indexed in this group.
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000178775
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on May 29, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000178734
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on April 18, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000178791
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on June 18, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000178758
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on May 24, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000178746
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on April 23, 2002.
Similarity score 0.998 (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.
Letter reporting indoor air quality measurements conducted at P.S. 150M to evaluate conditions prior to re-occupancy.
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