The order the City kept.

NYC-WTC_000140280

Document header reiterating the requirement to preserve World Trade Center documents for potential legal proceedings against the City.

NYC-WTC_000140281 – NYC-WTC_000140282

Draft contract scope defining regulations and procedures for asbestos cleanup and air sampling assistance programs in Lower Manhattan.

NYC-WTC_000140283

Contract excerpt specifying data submission protocols, laboratory delivery instructions, and monitoring responsibilities for the WTC project.

NYC-WTC_000140284 – NYC-WTC_000140285

Addendum to a City contract requiring contractors to handle property claims and authorizing additional financial retainage for performance security.

NYC-WTC_000140286 – NYC-WTC_000140288

Review comments on a proposed scope of work document regarding the roles of technicians and monitors in the World Trade Center cleanup process.

NYC-WTC_000140289

Memo attaching Addendum #2 for the WTC-AMB contract requiring signature and acknowledgement of receipt.

NYC-WTC_000140290

Guidance document for determining presence of World Trade Center-related dust in residential ventilation systems in Lower Manhattan.

NYC-WTC_000140291

Bibliography section listing standards from NADCA and SMACNA required for conducting World Trade Center dust evaluations in HVAC systems.

NYC-WTC_000140292

Section detailing professional qualifications and health hazards like asbestos and lead encountered during World Trade Center ventilation evaluations.

NYC-WTC_000140293

Specification of mandatory personal protective equipment and training standards for HVAC personnel performing World Trade Center dust evaluations.

NYC-WTC_000140294

Specification of mandatory personal protective equipment and training standards for Environmental Professionals performing World Trade Center dust evaluations.

NYC-WTC_000140295

Identification of ventilation system components most likely to have WTC-related dust accumulation, including air intakes, dampers, filters, and downstream components.

NYC-WTC_000140296

Technical guidelines defining which ventilation components are included in the World Trade Center dust evaluation and where dust accumulation occurs.

NYC-WTC_000140297

Addendum defining scope for cleaning World Trade Center dust from ventilation components including ducts, coils, and filters.

NYC-WTC_000140298

Addendum defining inspection scope for HVAC components at World Trade Center sites to assess dust accumulation.

NYC-WTC_000140299

Addendum defining visual inspection methods and evaluation criteria for HVAC systems impacted by World Trade Center dust.

NYC-WTC_000140300

Scope of work detailing evaluation procedures for HVAC systems to assess World Trade Center dust impact and cleaning recommendations.

NYC-WTC_000140301

Technical procedures for collecting, sealing, and labeling bulk dust samples during HVAC system evaluation.

NYC-WTC_000140302

Form for recording building contact details, facility type, and HVAC system components during pre-cleaning evaluations.

NYC-WTC_000140303

Inspection form for documenting dust loading, filter conditions, mold growth, and animal evidence in fan coil and heat pump units within buildings.

NYC-WTC_000140304

Data sheet for recording dust presence and depth on central ventilation components including dampers, coils, and blower assemblies.

NYC-WTC_000140305

Protocol requiring sampling if light to heavy dust is present that is not visually identified as World Trade Center related debris.

NYC-WTC_000140306 – NYC-WTC_000140311

Procedures for obtaining work authorization, monitoring residential and HVAC cleaning, and reporting hazardous conditions to EPA.

NYC-WTC_000140312

Requirements for technician certification and listing of analytical methods for asbestos, mercury, and other contaminants in air samples.

NYC-WTC_000140313

Qualification standards for technicians and specified analytical methods for asbestos, mercury, and other contaminants in air sampling.

NYC-WTC_000140314

Specifications for data to be recorded in monitoring logs including flow rates, sample volumes, weather conditions, and cleaning methods.

NYC-WTC_000140315

Protocol requiring notification of NYCDOH and EPA upon mold observation and coordination of cleaning operations with residents.

NYC-WTC_000140316

Form for post-cleaning apartment inspections to document resident damage claims and verify deliverable accuracy before submission.

NYC-WTC_000140317

OSHA requirements for personal air monitoring of workers during WTC dust cleaning, including sampling frequency and analysis methods.

NYC-WTC_000140318

Specifications for modified aggressive air sampling in common spaces, including sample counts based on square footage and equipment setup.

NYC-WTC_000140319

Procedures for monitor access to EPA website for obtaining building information, scheduling cleaning and sampling activities with tenants and contractors, and inputting project…

NYC-WTC_000140320

Detailed specifications for recording air sampling parameters including media type, flow rates, elapsed time, sample volume, QC samples, weather conditions, cleanup methods, and…

NYC-WTC_000140321

Requirements for personnel qualifications in HVAC system design and indoor environmental sampling practices, procedures for evaluating and documenting HVAC cleaning and mold…

NYC-WTC_000140322

Procedures for collecting and documenting wipe samples using HUD Appendix 13.1 specifications, F2L documentation, sample labeling requirements, and laboratory analysis at EMSL.

NYC-WTC_000140323

Document outlines chain-of-custody requirements and EPA methods for analyzing mercury in wipe samples collected from WTC-impacted sites.

NYC-WTC_000140324

Specifies protocols for collecting air samples using NIOSH methods and chain-of-custody documentation requirements for WTC cleanup.

NYC-WTC_000140325

Details protocols for misting debris, HEPA vacuuming, wet wiping surfaces, and conducting visual inspections for dust accumulation.

NYC-WTC_000140326

Describes requirements for Scope B work involving visual inspection and cleaning of WTC debris in residential units with residents present.

NYC-WTC_000140327

Outlines specific cleaning steps for heaters and dishwashers, including HEPA air filtration requirements and supervisor presence protocols.

NYC-WTC_000140328 – NYC-WTC_000140329

Draft scope outlining compliance with federal and state regulations for asbestos contractor-led cleaning and air sampling programs.

NYC-WTC_000140330 – NYC-WTC_000140336

Details project scope for scheduling, coordinating, and monitoring dust and debris cleanup with air sampling from apartments affected by World Trade Center collapse.

NYC-WTC_000140337 – NYC-WTC_000140343

Details project scope for scheduling, coordinating, and monitoring dust and debris cleanup with air sampling from apartments affected by World Trade Center collapse.

NYC-WTC_000140344 – NYC-WTC_000140347

Contract addendum establishing contractor liability for property damage and defining five percent payment retainage requirements.

NYC-WTC_000140348 – NYC-WTC_000140351

Adds provisions requiring the contractor to handle personal property damage claims and authorizes additional retainage deductions for security.

NYC-WTC_000140352 – NYC-WTC_000140358

Specifies requirements for post-cleaning air sampling including visual dust confirmation, surface drying, window unit operation, and aggressive air sampling protocols.

NYC-WTC_000140359

Details conditions for starting sampling, including visual inspections, drying surfaces, and using leaf blowers for aggressive air testing.

NYC-WTC_000140360

Specifies electronic submission timelines for monitoring dates, sample IDs, and post-cleaning status data to EPA and DEP databases.

NYC-WTC_000140361

Specifies electronic submission timelines for monitoring dates, sample IDs, and post-cleaning status data to EPA and DEP databases.

NYC-WTC_000140362

Draft scope establishing a DEP/USEPA assistance program for residents south of Canal Street concerned about WTC dust in their apartments.

NYC-WTC_000140363

Lists certification and experience requirements for monitors and technicians conducting asbestos sampling and HVAC evaluations.

NYC-WTC_000140364

Lists certification and experience requirements for monitors and technicians conducting asbestos sampling and HVAC evaluations.

NYC-WTC_000140365

Details requirements for obtaining resident authorization and assessing conditions like mold or mixed-use buildings before determining cleanup scope.

NYC-WTC_000140366

Scope of work excerpt detailing air sampling protocols, visual inspection requirements, and HVAC operation rules prior to sampling.

NYC-WTC_000140367

Scope of work excerpt detailing visual inspection requirements and air conditioning protocols prior to post-cleaning air sampling.

NYC-WTC_000140368

Details requirements for labeling samples, completing chain-of-custody forms, and submitting data to EPA within 24 hours.

NYC-WTC_000140369

Contractor requirements for documenting sampling activities, labeling samples, and shipping them to EMSL laboratories in New York.

NYC-WTC_000140370

Document questioning the use of electric leaf blowers for indoor air agitation during sampling in occupied Manhattan apartments.

NYC-WTC_000140371

Technical specifications for collecting air samples via NIOSH methods and wipe samples for dioxin, metals, and mercury analysis.

NYC-WTC_000140372

Edited draft scope of work for residential post-WTC debris cleaning and monitoring with sampling protocols.

NYC-WTC_000140373

Guidelines requiring HVAC evaluation and cleaning before residential space cleanup to prevent cross-contamination of duct systems.

NYC-WTC_000140374

Scope of work defining monitor responsibilities for scheduling, oversight, and ensuring certified worker compliance during cleanup.

NYC-WTC_000140375

Contractual document outlining regulatory compliance, roles, and responsibilities for site inspections and dust remediation activities.

NYC-WTC_000140376

Initial draft outlining regulatory compliance, roles, and the scope of site inspections and cleaning activities for WTC impacted buildings.

NYC-WTC_000140377

Scope of work sections requiring personal air monitoring during cleaning operations, EPA notification of sampling results to residents, and daily report submission to EPA and DEP.

NYC-WTC_000140378

Requirements for submitting data to EPA databases, notifying residents of results, and conducting personal air monitoring for workers.

NYC-WTC_000140379

Requirements for monitor review of deliverables and detailed recording of equipment, flow rates, and sample identification numbers.

NYC-WTC_000140380

Instructions for post-cleaning visual inspections and the specific use of electric leaf blowers to agitate indoor environments for sampling.

NYC-WTC_000140381

Requirements for recording post-cleaning data including sampling technique, damage claims, pass/fail status, equipment used, and sample chain of custody into EPA database.

NYC-WTC_000140382

Contractual draft establishing regulatory compliance and roles for site inspections, assessments, and monitoring of dust remediation.

NYC-WTC_000140383

Draft document outlining regulatory compliance and the scope of site inspections and cleaning activities for WTC impacted buildings.

NYC-WTC_000140384

Procedures for collecting bulk dust samples, labeling containers, and cleaning respirators following sample collection activities.

NYC-WTC_000140385 – NYC-WTC_000140398

Specific instructions for collecting bulk dust samples, labeling containers, and repairing insulation disturbed during sampling activities.

NYC-WTC_000140399 – NYC-WTC_000140412

Draft outlining the direct assistance program for residents south of Canal Street, including cleaning and asbestos sampling services.

NYC-WTC_000140420 – NYC-WTC_000140428

Draft contract outlining compliance requirements and direct assistance program details for residential dust cleaning south of Canal Street.

NYC-WTC_000140429

Draft contract scope detailing compliance requirements and a direct assistance program for residents south of Canal Street.

NYC-WTC_000140430 – NYC-WTC_000140442

Draft contract detailing EPA and DEP collaboration on residential dust sampling and cleaning services for residents south of Canal Street.

NYC-WTC_000140443 – NYC-WTC_000140452

Draft contract scope outlining compliance requirements and a direct assistance program for residents south of Canal Street.

NYC-WTC_000140453

Unreadable text from a draft document regarding the World Trade Center dust cleaning program.

NYC-WTC_000140454

Unreadable or corrupted page from the DEP Box 05 collection regarding World Trade Center dust cleaning scopes of work.

NYC-WTC_000140455

Contract statement defining procedures for collecting settled and airborne dust samples to analyze contaminants in fourteen selected buildings.

NYC-WTC_000140456

Contract excerpt detailing contractor responsibilities for field sampling, equipment provision, and personnel training.

NYC-WTC_000140457

Contract text specifying EPA contracted lab usage, chain of custody requirements, and weekly field status reporting.

NYC-WTC_000140458

Contract text outlining required reports, health and safety plan submissions, and compliance with federal safety standards.

NYC-WTC_000140459

Contract text defining procedures for issuing technical direction and requirements for disclosing conflicts of interest.

NYC-WTC_000140460

Table listing specific sampling parameters and quantities for various building surfaces in fourteen selected buildings.

NYC-WTC_000140461

Technical attachment specifying ASTM methods for collecting and analyzing asbestos and lead in settled dust from residential surfaces.

NYC-WTC_000140462

Work plan detailing procedures for visual inspection, dust removal, and cleaning of residential units under Scope B.

NYC-WTC_000140463

Contract section specifying requirements for misting, HEPA vacuuming, wet wiping, and visual inspection of surfaces.

NYC-WTC_000140464

Official memo transmitting an addendum to the World Trade Center ambient air monitoring contract for planholder acknowledgment.

NYC-WTC_000140465

Guidance document providing procedures for evaluating the presence of World Trade Center dust in residential ventilation systems.

NYC-WTC_000140466

Document listing applicable standards like ACR 2002 and NADCA 97-05 for the assessment and cleaning of HVAC systems.

NYC-WTC_000140467

Contract section specifying minimum professional requirements and health safety protocols for individuals evaluating ventilation systems.

NYC-WTC_000140468

Contract addendum defining personal protective equipment and training requirements for HVAC professionals inspecting WTC dust.

NYC-WTC_000140469

Contract addendum defining personal protective equipment and safety responsibilities for environmental professionals during evaluations.

NYC-WTC_000140470

Guidelines for evaluating direct exhaust systems and identifying dust accumulation points in residential ventilation equipment.

NYC-WTC_000140471

Addendum listing required inspection equipment and typical HVAC system components for World Trade Center dust cleaning.

NYC-WTC_000140472

Addendum detailing all ventilation system components to be inspected and cleaned, including intake louvers, ducts, coils, blower assemblies, and duct linings at World Trade Center.

NYC-WTC_000140473

Addendum specifying accessible HVAC components for inspection and methods for accessing system elements during World Trade Center dust evaluation.

NYC-WTC_000140474

Addendum outlining visual inspection protocols and methods for evaluating World Trade Center dust accumulation in HVAC systems.