The order the City kept.

NYC-WTC_000162712

Official notice instructing staff to preserve scanned World Trade Center documents as potential evidence in future legal actions.

NYC-WTC_000162713 – NYC-WTC_000162720

Official notice instructing staff not to dispose of original World Trade Center documents as they are required for legal proceedings.

NYC-WTC_000162721 – NYC-WTC_000162728

Transmission of revised cleaning procedure documents for exhaust and ventilation systems at the World Trade Center site.

NYC-WTC_000162729 – NYC-WTC_000162730

DEP submits OSHA compliance justification document for review regarding worker safety in WTC cleanup procedures.

NYC-WTC_000162731 – NYC-WTC_000162735

EPA submits detailed technical questions and comments on proposed HVAC cleaning procedures for WTC buildings.

NYC-WTC_000162746 – NYC-WTC_000162753

Duplicate transmission of revised HVAC cleaning procedure documents to DEP and EPA staff.

NYC-WTC_000162754

Progress update on WTC apartment cleaning: 720 units completed (663 clean-and-test, 57 test-only) with cost estimate summary.

NYC-WTC_000162790

Contractor reviews HVAC cleaning procedures, raises containment cost and recontamination liability issues, negotiates compensation structure.

NYC-WTC_000162795 – NYC-WTC_000162796

Notification that a previously delivered change order was in error and must be discarded pending a corrected version.

NYC-WTC_000162797 – NYC-WTC_000162798

Report on the performance of a monitoring contractor regarding USEPA indoor residential cleaning and testing programs.

NYC-WTC_000162799 – NYC-WTC_000162800

Memo reporting a site visit to Cole to evaluate their performance on the USEPA residential cleaning program.

NYC-WTC_000162801 – NYC-WTC_000162802

Memo reporting on a site visit to Cole to evaluate their implementation of the USEPA residential cleaning contract.

NYC-WTC_000162803 – NYC-WTC_000162804

Correspondence planning a meeting to draft a letter to building owners about HVAC decisions and system impacts.

NYC-WTC_000162805 – NYC-WTC_000162806

Report on ATC Associates' performance and tracking issues during the USEPA indoor residential cleaning program.

NYC-WTC_000162807 – NYC-WTC_000162811

Memo documenting an inspection of ATC Associates' tracking systems and progress on the USEPA residential cleaning program.

NYC-WTC_000162812 – NYC-WTC_000162814

Memo describing the multi-agency invoice review and certification process for WTC contractor payments.

NYC-WTC_000162815 – NYC-WTC_000162821

Request for review of monitoring contractor specifications for air sampling, including sampling methodologies, limits of detection, and clearance criteria, with reference to prior…

NYC-WTC_000162822 – NYC-WTC_000162830

Transmission of draft Schedule A documents and scope of work for cleaning and air monitoring contracts at 114 Liberty Street.

NYC-WTC_000162831

Notification that the Law Department has not approved emergency work, requiring modification of the proposed project timeline.

NYC-WTC_000162837

Feedback on Schedule A documents indicating a need to mark the requirement for liability insurance with an 'x'.

NYC-WTC_000162838 – NYC-WTC_000162847

Correspondence regarding Schedule A forms and a draft scope of work for cleaning and air monitoring contracts at the site.

NYC-WTC_000162853 – NYC-WTC_000162859

Discussion regarding revisions to monitoring work specifications, including flow rate issues and asbestos sampling protocols.

NYC-WTC_000162890 – NYC-WTC_000162897

Technical discussion regarding discrepancies in NIOSH method flow rates and requirements for large sample volumes at 114 Liberty Street.

NYC-WTC_000162906 – NYC-WTC_000162918

Document tracking the chain of custody for environmental monitoring samples at 114 Liberty Street on February 7, 2003.

NYC-WTC_000162932 – NYC-WTC_000162935

Internal memo requesting cost estimates for mailing letters to participants in the WTC Dust Cleaning Program.

NYC-WTC_000162936 – NYC-WTC_000162937

Memo requesting cost estimates for mailing letters to participants in the WTC Dust Cleaning Program to process a change order.

NYC-WTC_000162954 – NYC-WTC_000162955

Invoice document related to post-9/11 WTC cleanup and testing work.

NYC-WTC_000162956 – NYC-WTC_000162957

Invoice document related to post-9/11 WTC cleanup and testing work.

NYC-WTC_000162958 – NYC-WTC_000162961

Correspondence requesting access documentation files for the 114 Liberty Street building on February 20, 2003.

NYC-WTC_000162971 – NYC-WTC_000162974

Status report detailing the number of units cleaned and tested in Quad C as of February 23, 2003.

NYC-WTC_000162975

PIN assignment for two WTC emergency remediation projects: WTC-LBA and WTC-LBC.

NYC-WTC_000162978 – NYC-WTC_000162979

Correspondence regarding the assessment and verification of valid apartment requests for testing and cleaning services in Quad C.

NYC-WTC_000162983

Request for a completion schedule for exterior cleaning at specific avenues before HVAC work can begin.

NYC-WTC_000162984 – NYC-WTC_000162988

Transmission of a spreadsheet tracking invoice status for the apartment cleaning program and related contract bids.

NYC-WTC_000162989 – NYC-WTC_000162990

Update on tenant contacts made and inquiries regarding revised cancellation policies for the cleaning program.

NYC-WTC_000162991 – NYC-WTC_000162996

Correspondence outlining new cancellation policies for residents scheduling cleaning or testing appointments.

NYC-WTC_000162997 – NYC-WTC_000162999

Request to arrange air quality testing for dust and particulate matter on the 19th floor of a Department of Investigation building.

NYC-WTC_000163002 – NYC-WTC_000163003

Update on cleaning request forms received from multiple floors and common areas at 114 Liberty, with walk-through scheduling.

NYC-WTC_000163004 – NYC-WTC_000163008

Document listing additional insured entities and agents associated with the 114 Liberty Street property.

NYC-WTC_000163009 – NYC-WTC_000163010

Update on received cleaning request forms for 114 Liberty Street units and the scheduled timeline for site walk-throughs.

NYC-WTC_000163016 – NYC-WTC_000163018

Memo summarizing rooftop and facade remediation contracts, invoice status, and March 31 completion date.

NYC-WTC_000163021 – NYC-WTC_000163023

Status update confirming completed resident walk-throughs and the mobilization of negative pressure ventilation equipment for March 2003.

NYC-WTC_000163030 – NYC-WTC_000163032

HVAC equipment pricing information for remediation project procurement.

NYC-WTC_000163033 – NYC-WTC_000163034

Report to FEMA on apartment cleaning counts by quadrant and outreach status to building owners and residents.

NYC-WTC_000163035

Confirmation of site address details with EPA for remediation project identification.

NYC-WTC_000163036 – NYC-WTC_000163038

Contractor billing invoice for remediation work services.

NYC-WTC_000163039

DEP inquiry to EPA about whether a specific address and confirmation number are registered in EPA database for clean and test or test-only services.

NYC-WTC_000163040 – NYC-WTC_000163042

Draft change order for WTC cleaning contracts establishing unit prices for HVAC cleaning without increasing contract NTE price.

NYC-WTC_000163043

Notification regarding cleaning teams ready to begin and protocols for handling resident items without specific lists.

NYC-WTC_000163044 – NYC-WTC_000163045

Status confirmation on wall segment completion and cleaning work to address dust contamination areas.

NYC-WTC_000163046

Urgent request for final item preservation lists and clarification on wall demolition markings for work continuation.

NYC-WTC_000163047 – NYC-WTC_000163048

Update on completion of wall marking for remediation with notes on missed areas and pending clarifications.

NYC-WTC_000163049 – NYC-WTC_000163069

Transmission of PAH and Dioxin wipe sample laboratory results (samples R03030157 and R03030158) from JLC Environmental Consultants to DEP.

NYC-WTC_000163072 – NYC-WTC_000163078

Review of laboratory data for PAH, lead, and asbestos at 114 Liberty Street noting issues with reporting limits.

NYC-WTC_000163079 – NYC-WTC_000163080

Contractor billing invoice for remediation services.

NYC-WTC_000163081

Report on revised PAH results, pending dioxin analysis, and failed visual inspection requiring re-inspection and monitoring.

NYC-WTC_000163082 – NYC-WTC_000163084

DEP review of revised PAH laboratory results for 114 Liberty identifying concerns about detection limit consistency between original and revised analytical sheets.

NYC-WTC_000163085 – NYC-WTC_000163087

Laboratory response explaining method detection limit versus practical quantitation limit for PAH analysis and confirmation that samples did not require reanalysis.

NYC-WTC_000163088 – NYC-WTC_000163094

Site inspection findings of deteriorated spray-on insulation and ceiling materials at 114 Liberty with sample collection and photographic documentation.

NYC-WTC_000163101 – NYC-WTC_000163102

DEP staff requested to review EPA draft report on WTC exposure and sampling issues for legal comment.

NYC-WTC_000163103 – NYC-WTC_000163107

DEP staff review EPA draft report on WTC exposure and sampling issues for legal comment submission.

NYC-WTC_000163108

Laboratory forwarding final PAH wipe analytical results with cover letters and reports to DEP and EPA for review.

NYC-WTC_000163109 – NYC-WTC_000163124

DEP staff forwards draft presentation regarding exterior cleanup program including WTC debris and lead paint.

NYC-WTC_000163125 – NYC-WTC_000163126

Analysis critiquing a study's limited sampling and selection bias regarding background contaminant levels.

NYC-WTC_000163127 – NYC-WTC_000163128

EPA requests silica test results for 114 Liberty Street before issuing an all-clear letter.

NYC-WTC_000163129

Correspondence requesting silica test results to finalize clearance letter for 114 Liberty Street.

NYC-WTC_000163133

Contractor complains about inefficient multi-building cleaning schedule affecting project performance.

NYC-WTC_000163134 – NYC-WTC_000163136

Request for comments on a draft clearance letter document regarding WTC site conditions.

NYC-WTC_000163137 – NYC-WTC_000163141

Update on FEMA reimbursement deadlines and final payments for WTC interior cleanup contractors.

NYC-WTC_000163146

Inquiry regarding scope of work and contract requirements for appliance removal at 114 Liberty Street.

NYC-WTC_000163147 – NYC-WTC_000163149

Draft document for a clearance letter regarding surfacing material results and EPA correspondence for 114 Liberty Street.

NYC-WTC_000163150 – NYC-WTC_000163154

Confirmation of invoice breakdowns matching bid sheets for additional samples collected during the project.

NYC-WTC_000163155 – NYC-WTC_000163156

Forwarded messages regarding FEMA and EPA coordination on Lower Manhattan cleanup efforts and staff recognition.

NYC-WTC_000163157

Report of completed apartment cleanings, common space cleanings, and HVAC units for FEMA reporting.

NYC-WTC_000163158 – NYC-WTC_000163159

Contractor letter requesting partial reimbursement relative to insurance for the indoor dust cleaning program.

NYC-WTC_000163162 – NYC-WTC_000163164

Document referencing a status update or report regarding the 114 Liberty Street site as of July 2003.

NYC-WTC_000163165 – NYC-WTC_000163167

Site observation of continuing contamination including ceiling plaster deterioration and WTC dust with notes on tenant re-occupancy hesitance.

NYC-WTC_000163168 – NYC-WTC_000163172

EPA correspondence transmitting draft letter to FEMA regarding 114 Liberty with attached documentation and data receipt timeline.

NYC-WTC_000163173

Confirmation of receipt dates for 114 Liberty clearance report by DEP, EPA, and building management in late June 2003.

NYC-WTC_000163174 – NYC-WTC_000163181

Technical review of mold and bacteria laboratory results and draft assessment for 114 Liberty with recommendations for letter revision.

NYC-WTC_000163182 – NYC-WTC_000163185

Correspondence sharing a revised draft letter to FEMA concerning the 114 Liberty Street site.

NYC-WTC_000163186 – NYC-WTC_000163191

Correspondence regarding corrections to FEMA documentation, focusing on proper indoor and outdoor wipe sampling procedures for environmental testing.

NYC-WTC_000163192 – NYC-WTC_000163193

Correspondence tracking the final review, approval by EPA, and hand delivery of the signed FEMA document.

NYC-WTC_000163194 – NYC-WTC_000163195

Chain of emails confirming the hand delivery of a signed FEMA letter to the appropriate contact.

NYC-WTC_000163196

Submission of a draft letter concerning the 114 Liberty project for review and potential revisions by the recipient.

NYC-WTC_000163197 – NYC-WTC_000163198

Correspondence regarding forwarding of environmental cleanup photographs to council for event documentation.

NYC-WTC_000163199

Summary of final indoor cleanup and testing numbers including building treatments and HVAC cleanings.

NYC-WTC_000163200 – NYC-WTC_000163212

City law department correspondence coordinating response to EPA with proposed changes to respirator requirements and related policies.

NYC-WTC_000163213 – NYC-WTC_000163214

Notification to construction contractors regarding FEMA funding closeout and invoice submission deadline for WTC indoor environmental remediation work.

NYC-WTC_000163215 – NYC-WTC_000163216

Contractor notification of cumulative project billing amount and status of invoice processing by municipal environmental agency.

NYC-WTC_000163218 – NYC-WTC_000163225

EPA laboratory transmission of PCM asbestos fiber concentration results for indoor common areas across tested buildings.