Policy document outlining NYPD access requirements for building owners and contractors at the site in October 2001.
NYC-WTC_000149744–000149777Folder label: “JANE MALDANADO”
OCR status: ok · source: pdftotext
Z Z -< * o CD
Po Liberty Mutual / ATC Measurement Data c o CT o WSeeldy Summary 4^ o' CD T o O1 a. 05 #of #of Highest Highest O8HA ACQIH Highest Result Job With Highest # of NQs % NQ Comments Week of: Agent Class Samples Analyses Analyte Result PEL TLV % of OEL Exposure O O o 11/26/01 Total DustZMetals 17 340 Cadmium 2.Su^ SugdnS l0ug(m3 88% of PEL Torch Cutter IBS 58% c 11/2»01 Resp. DustlSlIca 13 39 Quartz 0.01SmgAn3 O.lm^mS* O.OSmgtetJ 38%e(TLV Spotter 27 69% 3 11/2SA)1 Aromatics 7 28 Toluene 0.0038 ppm 200 ppm SO ppm 0.0076% er TLV Torch Cutter 28 93% Q 11/25/01 Aldehydes 3 21 Formaldehyile 0.010 ppm 0.75 ppm 0.3 ppm (Celling) 13% of PEL Backhoe Oparator IS 71% 3 11/25fl)1 PAHs 8 96 Total PAHs e.st4sM 200uiyrn3 200ugZm3 3.4% of PEL Grappter Operator 75 78% 11/25A)1 Asbestos 24 24 Rbere 0.033 (tee 0.1 Bec 0.1 (tee 33% St PEL Spotter 17% 11/26/01 Adds 6 38 Hydrofluoric Add 0.01 ppm Swo 3 ppm (Celling) 0.33% st TLV GrapplerOperator 59 164% 11/28AM Ozons 2 2 NZA AI Too Lowts OuanSfy" 2 100% 11/26A)1 Carbon Monoxide (TWA) 26 26 Cartion Monoxide 33 ppm 80 ppm 25 ppm 132% of TLV (abbreviated Ragman 15 58% 1 peak over NIOSHCefIng of 200 8ample-2hre. 9iTin) ppm (Oreppief Operator) Totate: 104 612
12/1/01 Total DuaVMatala 10 202 Arsenic 1u9im3 lOugAnS lOugdnS 10% of PEL Torch Cutter 122 80% 12/1/01 Reap. DustlSlIca 8 24 RsapItablsDust 0.34me(m3 Sm9(m3 SmgfmS 11%ofTLV Eptlpmarc Operator 19 79% 12/1/01 Ztromalica 12 48 Benzene 0.0032 ppm Ippm 0.Sppm 0.64% 0( TLV Eptlpment Operator 31 65% 12rt/01 Aldehydea 6 42 Formaldehyde 0.017 ppm 0.75 ppm 0.3 ppm (Celling) 23% of PEL Equipment Operator 29 69% 12/1/01 PAHs 8 96 Total PAHs 17uoiin3 200ug(in3 200 8.5% of PEL Torch Cutter 52 54% 12/1/01 Asbestos 28 26 FIbors 0.046 0.1 »cc 0.1 (/PC 48% of pa Spotter 5 19% 12/1/01 Adds 6 38 SugurlcAcId 0.056 mgdnS 1 m8(m3 1 mglmS 5.9% of pa OrapplerOpejator 31 68% 12/1/01 Ozone 8 8 NZA AITooLowloQuanSI/ 8 100% 12/1/01 Cartion Monoxide (TWA) 18 18 Carbon Monoxide 5ppm so ppm 25 ppm 20% of TLV Tord) Cutter 14 78%
12/1/01 Hydrogen Sulfide 6 8 Hydrogen Sitflde 18 ppm 20 ppm (Celling) 10 ppm 160% of TLV (Araa Sample) SW Comer, near south bridge 5 63% 12/1/01 DiessIFume 11 11 Inorganic Carbon 0.075 molmS 3.5 modus 3.5mg/m3 23%otPEL Torch Cutter 1 9% Totals: 106 508
The PEL for quartz Is dotermtned by the formula PEL »10 mg'm3/(%c|uartz+2). For dusts with rsgh quartz content this worta out to be a quartz concentration of approximately 0.1
"OEL' B "occupational exposure Bmfr. A generic term encompassing PELS. TLVs and other workplace exposure Omits.
*NQ" B "not quantffiabie". Substance was was net present In sufficient quanfity In the sample to report a firm value tor the concentration. Al quanfification levels tor toe sampling matoods used are wen below occupational ej^osure Omits.
The area samples tor hycfrogen suffide were taken suspected sources and were not representative of worker exposure.
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000149936
Joint OSHA and Bechtel crane inspection report analyzing safety conditions at the World Trade Center site.
30 shared non-person entities · Same agency, volume and box · similarity 0.952
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000148952
Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.
35 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.944
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000149346
A chain of custody cover sheet for air monitoring samples sent to the EPA Region 1 laboratory in January 2003.
19 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.941
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000149798
Generic form or header page from the Department of Environmental Protection regarding general World Trade Center notices and requests.
30 shared non-person entities · Same agency, volume and box · similarity 0.941
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164098
Distribution of materials provided at January 15, 2002 WTC contractor health and safety meeting.
30 shared non-person entities · 1 shared topics · similarity 0.960
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000125845
Draft fact sheet from DOH and DEP addressing tenant concerns regarding asbestos fibers at 105 Duane Street.
20 shared non-person entities · 1 shared topics · similarity 0.948
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000144607
Correspondence regarding environmental health risks of spreading elemental mercury contamination through common cleaning equipment in April 1996.
8 shared non-person entities · 1 shared topics · similarity 0.944
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000155264
Letter from EPA official to a Congressional representative criticizing the adequacy of the 114 Liberty Street cleanup.
15 shared non-person entities · 1 shared topics · similarity 0.943
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000154976
Correspondence criticizing the EPA and DEP regarding asbestos, silica levels, and safety clearance after cleaning at 114 Liberty Street.
15 shared non-person entities · 1 shared topics · similarity 0.943
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000154472
Memo summarizing daily activities including hot sidewalk conditions and a FEMA meeting request on October 17, 2001.
21 shared non-person entities · similarity 0.940
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000145027
Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
16 shared non-person entities · similarity 0.940
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000165900
Document page containing contact details for Con Edison and JWC Environmental Health & Safety personnel.
14 shared non-person entities · similarity 0.939
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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Archival folder label for September 11 news clippings from the Office of the Mayor, identified as Folder 0123.
Cited alongside this record in an Ask answer
NYC-WTC_000145027
Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
Cited alongside this record in an Ask answer
Generic form or header page from the Department of Environmental Protection regarding general World Trade Center notices and requests.
Cited alongside this record in an Ask answer
NYC-WTC_000150256
Table of contents for a site control plan document regarding landfill entry and exclusion zones for WTC debris.
Cited alongside this record in an Ask answer
Updated memorandum defining the Red Zone boundaries and listing authorized agencies for entry into the restricted area.
Cited alongside this record in an Ask answer