OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
104 East 25th St New York, New York lOOlC wwwatc-enviro.com 212.353.828C Fax 212.353.8306 ASSOCIATES INC. »
March 14, 2002
Mr. Bernard P. Orian Director, Environmental Health & Safety New York City Board of Education 28-11 Queens Plaza North Long Island City, NY 11101-4008
Re: Wipe Samples for Polychlorinated Biphenyls Stuyvesant High School ATC Project No. lS-19125-0246
Dear Mr. Orian:
ATC Associates Inc. (ATC) is pleased to provide this report of the results of the wipe-samples for polychlorinated biphenyls (PCBs) collected on March 1, 2002, at the referenced location. The New York City Board of Education (BOE) requested these samples to evaluate possible contamination from PCBs in the school building according to the recommendation of H. A. Bader, consultant to the parents association.
SCOPE OF WORK
Mr. Tenzin Namgyal, Industrial Hygienist of ATC’s New York City office, collected the samples.
The PCBs samples were collected using sterile gauze pads and hexane as a solvent. The solvent was provided and samples were analyzed by PSC Analytical Services, Inc. (PSC), an American Industrial Hygiene Association-accredited laboratory in Reading, PA. The PCB analysis was performed using EPA Method 8082B.
ATC’s findings and conclusions are based on the laboratory samples results and the conditions present in the school at the time of the assessment.
The sampling was performed consistent with generally accepted industrial hygiene practices. There were inherent limitations created by constraints of time, operational and work practice variability, variations in contaminant concentrations, and sampling and analytical accuracy. The results of the sampling represent conditions found on the dates the samples were collected.
WIPE SAMPLING RESULTS
ATC submitted three samples for PCBs to PSC for analysis. A copy of the laboratory report is provided in Attachment 1. Samples were taken from areas specified by the parent’s association consultant. The surface area for each wipe sample was 100 square centimeters (lOOcm^).
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NYC-WTC_000223223
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NYC-WTC_000175690
Laboratory report detailing polychlorinated biphenyl (PCB) wipe sample analysis from a New York City Board of Education school collected in February 2002.
9 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗7 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗9 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗9 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175692
Laboratory report detailing polychlorinated biphenyl (PCB) wipe sample analysis from a New York City Board of Education school collected in early February 2002.
9 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175779
Letter from ATC Associates reporting polychlorinated biphenyl wipe sample results collected at a New York City school in November 2001.
9 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175765
Laboratory report detailing polychlorinated biphenyl (PCB) wipe sample analysis from a New York City Board of Education school collected in January 2002.
9 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗9 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000177930
Report providing wipe sample results for polychlorinated biphenyls (PCBs) collected at P.S. 234M in January 2002.
9 shared non-person entities · 1 shared topics · similarity 0.984
machine-extracted · confidence unavailable · Check page ↗9 shared non-person entities · 1 shared topics · similarity 0.984
machine-extracted · confidence unavailable · Check page ↗7 shared non-person entities · 1 shared topics · similarity 0.983
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.983
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Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175692
Laboratory report detailing polychlorinated biphenyl (PCB) wipe sample analysis from a New York City Board of Education school collected in early February 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175690
Laboratory report detailing polychlorinated biphenyl (PCB) wipe sample analysis from a New York City Board of Education school collected in February 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175765
Laboratory report detailing polychlorinated biphenyl (PCB) wipe sample analysis from a New York City Board of Education school collected in January 2002.
Similarity score 0.998 (not a probability)
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NYC-WTC_000175690
Laboratory report detailing polychlorinated biphenyl (PCB) wipe sample analysis from a New York City Board of Education school collected in February 2002.
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Laboratory report detailing polychlorinated biphenyl (PCB) wipe sample analysis from a New York City Board of Education school collected in early February 2002.
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