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 Dioxtns/Furans, HRGC/HRMS ($290) CUent Sample ID; 211909-17D-P
Lot-Sample G2D240206-001 Work Order#™: E0C521AC Matrix—: SOLID Date Sampled™: 04/23/02 Date Received-: 04/24/02 Instnunent: 5D5 Prep Date™...: 04/25/02 Analysis Date-: 04/29/02 Units™-: pg/g Prep Batch#...! 2115451 Dilution Factor: 1 % Moisture:
DETECTION TEE TEQ UMIT FACTOR CONCENTRATION PARAMETER RESULT
23,7,8-TCDD 290 1.000 296.000000 1,23,7,8-PeCDD 1300 OJOO 650.000000 1,23,4,7,8-HxCDD 1800 0.100 180.000000 1,23,6,7,8-HxCDD 3500 0.100 350.000000 133,7,8,9-HxCDD 2700 aioo 270.000000 1,23,4,6,7,8-HpCDD 19000 0.010 190.000000 OCDD 44000 0.001 44.000000 23,7,8-TCDF 1700 CON 0.100 170.000000 133,7,8-PeCDF 2800 0.050 140,000000 2,3,4,7,8-PeCDF 5200 OJOO 2,600.000000 133,4,7,8-HxCDF 4500 0.100 450.000000 1,2,3,6,7,8-HxCDF 4900 0.100 490.000000 2,3,4,6,7,8-HxCDF 7000 0.100 700.000000 1,2,3,7,8,9-HxCDF 420 0.100 42.000000 13,3,4,6,7,8-HpCDF 22000 0.010 220.000000 133,4,7,83’HpCDF 3000 0.010 30.000000 I OCDF 15000 0.001 15.000000 Total TEQ Concentration 6,831,000000 i PERCENT RECOVERY INTERNAL STANDARDS RECOVERY LIMITS
13C-2,3,7,8-TCDD 80 40-135 13C-1,2,3,7,8-PeCDD 99 40-135 13C-I,2,3,6,7,8-HxCDD 80 40-135 130-1,2,3,4,6,7,8-HpCDD 78 40-135 13C-OCDD 80 40-135 130-2,3,7,8-TCDF 67 40-135 130-1,2,3,7,8-PcODF 82 40-135 13C-l,2,3,4,7,8-HxCDF 73 40-135 130-1,2,3,4,6,7,8-HpCDF 71 40-135
Notes: TEF valiKS ate cited in UA Environmental Protection Agency, (1989) Interim procedures for estimating risks associated with eitposutes to intxtures ofchlorinated dfoenzo-p-dioxins and -dibenzoforans (CDDs and CDFs) and 1989 update. US. Environmental Protection Agents, Risk Assessment forum, Washington, DC; EPA/62S/3-89/0I6.
CON Confirmation analysis.
Sae_St«d_TBQJa>T Rw- O 11/10/2001
NYC-WTC_000154866
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NYC-WTC_000154866Source: 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
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097592
Fax cover sheet from Ambient Group dated January 11, 2002 regarding indoor environmental quality surveys.
2 shared non-person entities · similarity 0.939
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
Transmittal from DDC regarding a letter sent to Deutsche Bank about scaffolding on Liberty Street.
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NYC-WTC_000154870
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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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