NYC-WTC_000097692
Memo from Ambient Group dated November 21, 2001 providing a summary of environmental monitoring activities.
2 shared non-person entities · similarity 0.942
machine-extracted · confidence unavailable · Check page ↗Document / 22 pages
DDC fax transmittal re: WTC scaffolding at Liberty Street, July
Machine-extracted title · confidence 90%Transmittal from DDC regarding a letter sent to Deutsche Bank about scaffolding on Liberty Street.
NYC-WTC_000154848–000154869Folder label: “DEUTSCHE BANK”
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OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
AMBIENT GROUP Dioxins/Furans, HRGC/HRMS (8290) Client Sample ID: 211909-12D-P
Lot-Sample#-: O2D230154 - 012 Work Order#...! EX9791AC Matrix-.: SOLID Date Sampled—: 04/22/02 Date Received..: 04/23/02 Instnunent: 7D5 ' 'Prep Date—t 04/25/02 Analysis Date-: 04/29/02 Units—: pg/g —. Prep Batch 2115447 Dilution Factor: 1 % Moistures
DETECTION TEF TEQ UMIT FACTOR CONCENTRATION PARAMETER RESULT
23,73-TCDD 380 1.000 380.000000 133.7,8-PeCDD 1200 0300 600.000000 1,23,4,7,8-HxCDD 1300 0.100 130.000000 1,23,6,7,8-HxCDD 1900 0.100 190.000000 133,7,8,9-HxCDD 1700 0.100 170.000000 133.4,6.73'HpCDD 12000 0.010 120.000000 OCDD 35000 0.001 35.000000 23,7,8-TCDF 1700 CON 0.100 170300000 133,7,8-PeCDF 2200 0.050 110.000000 23,4,7,8-PeCDF 3500 0.500 1,800.000000 133,4,7,8-HxCDF 4400 0.100 440.000000 133,6,7,8-HxCDF 3700 0.100 370.000000 23,4,6,7,8-HxCDF 4000 0.100 400.000000 133,7,83-HxCDF 260 0.100 26.000000 133.4,6,7,0-HpCDF 16000 0.010 160.000000 133,4,7,8,9-HpCDF 19(Nl 0.010 19.000000 OCDF 8300 0.001 8300000 Total TEQ ConceatratioD 5428300000 PERCENT RECOVERY INTERNAL STANDARDS RECOVERY LIMITS
1302,3,7,8-TCDD 80 40-135 130133,7,8-PeCDD 73 40-135 13C-13,3,6,7,8-HxCDD 72 40-135 13013,3,4,6,7,8-HpCDD 69 40-135 13C-<Xa>D 77 40-135 13023.7,8-TCDF 75 40-135 1301,23,7,8-PeCDF 77 40-135 130133,4,7,8-HxCDF 75 40-135 1301.2,3,4,6,7,8-HpCDF 67 40-135
Notes: TEF values are died to UA Eoviionmenlal Protectioa Agency. (1589) Interini procedure* for esdnatins 448 associated wWi exposures to mixtures ofcUotisated ffibenzo-p.dloxlM and -dlbrazoftrans (CDDs and CDFs) and 1989 update. UX toivlroinnental Protection Agency, Risk Assessment forum, Washtogtrau DC: EPA/S2SZ3-89/ll)l&
CON Confirmation analysis.
Sa«_Slw).TEQJU«rRCT.O n/io/200(
NYC-WTC_000154868
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NYC-WTC_000154868Source: NYC Law Department, mirrored locally
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NYC-WTC_000124631
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Cover letter transmitting lead in dust sampling results for 114 Liberty Street.
6 shared non-person entities · similarity 0.940
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Fax cover sheet from Ambient Group dated January 11, 2002 regarding indoor environmental quality surveys.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000124902
Laboratory data report containing asbestos analysis results for dust samples from floors 5-12 of 90 Church Street.
5 shared non-person entities · similarity 0.938
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097581
Fax cover sheet from Ambient Group dated January 22, 2002 regarding indoor environmental quality surveys.
2 shared non-person entities · similarity 0.937
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097558
Fax cover sheet from Ambient Group dated February 12, 2002 regarding indoor environmental quality surveys.
2 shared non-person entities · similarity 0.937
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097632
Fax cover sheet from Ambient Group dated December 13, 2001 regarding indoor environmental quality surveys.
2 shared non-person entities · similarity 0.936
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097723
Letter from Ambient Group Inc. dated November 9, 2001, regarding indoor environmental quality surveys at North End Avenue and Vesey Street.
2 shared non-person entities · similarity 0.936
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000148192
Notice instructing staff to preserve original World Trade Center documents for potential legal actions against the City.
6 shared non-person entities · similarity 0.936
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097713
Letter from Ambient Group dated November 16, 2001 summarizing an indoor environmental quality survey.
3 shared non-person entities · similarity 0.935
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097669
Header page of a laboratory report detailing indoor air and surface sampling for asbestos and lead.
2 shared non-person entities · similarity 0.935
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NYC-WTC_000154846
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NYC-WTC_000154892
Report on bulk sample analysis identifying fungal species and counts in samples from 130 Liberty Street.
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