Summary of asbestos air sampling results from October 1, 2001, including PCM and TEM standard comparisons for NYC and NJ locations.
NYC-WTC_000130435–000130437Folder label: “E-Mail 1/2/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
OENHP SAMPLING DATA — Gathered 10-02-01 Proprietor: Operating Engineers National Hazmat Program
Contact: Bruce Lippy, 410-916-0359 (cell), [email protected]; OR Jeana Harrison, 304-284- 9129, [email protected]
Date and Time: 9/27/01
Substance: Total dust, inorganic acid gases, VOCs, heavy metals
Matrix: Air (filters, charcoal tubes, and silica gel)
Locations: Various, generally on or near WTC piles
Name of Laboratory: Galson Laboratories
Date and Time of Analysis: 9/28/01
Analysis Results: See attached Excel File (OENHP Sampling Results 10-02-01.xls)
Result Units: for total dust: mg/m3 for VOC: mg/m3 (except for blank, which is in µg) for inorganic acid gases: mg/m3 and ppm (see file) for heavy metals: mg/m3 and ppm (see file) (blanks listed in µg)
Analysis method: for total dust: NMAM 0500 (gravimetric) for VOC: NMAM 3700 (multiple VOCs) for inorganic acid gases: NMAM 7903; ICP for heavy metals: modified NMAM 7300; ICP
Detection Limit: total dust: 0.15 mg VOCs, inorganic acid gases, and heavy metals: vary according to compound
Standard: PEL: total dust (particulate not otherwise regulated): 15 mg/m3 VOC's, inorganic acid gases, and heavy metals: vary according to compound
Interpretation: • The total dust sample was below the PEL. • All VOCs, inorganic acids, and heavy metals were less than the limit of quantification, with the exception of sulfuric acid. Sulfuric acid (0.3 mg/m3) was not corrected for the blank at the lab. The sample is still less than the PEL of 1 mg/m3 without the correction.
NYC-WTC 000130437
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