Laboratory report noting GCMS scan results for sample AD29231 with phthalates detected and low recovery requiring re-analysis.
NYC-WTC_000036162–000036183Folder label: “GCMS X 12/3/01 A 12/10/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
"‘Comments for Sample AD29231 - Analysis $GCMS
Westchester Dept, of Labs & Research User: Vinci, David L Date: 01-04-2002 Time: 14:11:56
The GCMS scan, from 35 to 550 amu does not reveal the presence of any unusual compounds, except for bis(2-Ethylhexyl)phthalate at an estimated level of 0.42 ug/L. The recovery for 1 of the 43 compounds in the LCS Standard was above its acceptance range. The recovery for the Surrogate Standard in this sample was below 70%. This sample will be re-extracted and re-analyzed. This was re-extracted with a Surrogate Standard recovery of 92%, compared to 65% the first time.
NYC-WTC_000036162
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