1 Centre Street

Laboratory report detailing bulk sample analysis results for materials collected from various rooms in a Manhattan building.

Joint OSHA and Bechtel crane inspection report analyzing safety conditions at the World Trade Center site.

Laboratory report from KAM Consultants detailing phase contrast microscopy results of air filters collected for DCAS.

Generic form or header page from the Department of Environmental Protection regarding general World Trade Center notices and requests.

Laboratory report from KAM Consultants detailing phase contrast microscopy results of air filters collected for DCAS.

Document header identifying the project and laboratory performing phase contrast microscopy analysis of air filters for DCAS on September 20, 2001.

Correspondence from NYC Corporation Counsel providing comments on excerpts of a draft EPA evaluation report regarding the WTC response.

Architectural firm submits a proposal for architectural and engineering design services for the Mayor's Office of Emergency Management at 7 World Trade Center.

Construction letter describing existing fuel oil lines and fireproofing in the shaft at the Office of Emergency Management location.

Letter from Ambassador Construction describing existing fuel oil lines and fireproofing details within the shaft at 7 World Trade Center.

Letter withdrawing a Port Authority sign-off requirement and modifying Article 6 of the lease for the Mayor's Office of Emergency Management.

Letter from 7 World Trade Company modifying lease terms and withdrawing a notice regarding the Mayor's Office of Emergency Management.

Letter from 7 World Trade Company modifying lease terms and withdrawing a notice regarding the Mayor's Office of Emergency Management.

Letter from 7 World Trade Company modifying lease terms and withdrawing a notice regarding the Mayor's Office of Emergency Management.

Letter from 7 World Trade Company, L.P. modifying the lease agreement with the City of New York to withdraw a prior notice regarding space at 7 World Trade Center.

Letter withdrawing a Port Authority sign-off requirement and modifying Article 6 of the lease for the Mayor's Office of Emergency Management.

7 World Trade Company letter to DCAS dated March 9, 1999, withdrawing a substantial completion notice and modifying Article 6 of the lease regarding Port Authority sign-off…

Letter enclosing governing documents and plans regarding electricity requirements for the Mayor's Office of Emergency Management.

Letter transmitting governing issues concerning electricity for the Mayor's Office of Emergency Management and noting tapping fee requirements.

Letter discussing electrical issues and plan review requirements for the Mayor's Office of Emergency Management at 7 World Trade Center.

Memorandum stating the total encumbered dollar amount of $12,619,128.00 for project PW3261346 at 7 World Trade Center.

Revised construction proposal dated June 11, 1998, for Mayor's Office of Emergency Management space at 7 World Trade Center with total project cost of $11,645,746.00.

Letter enclosing a revised proposal from a vendor for work at the Mayor's Office of Emergency Management.

Letter transmitting construction proposals for a hurricane wall and related work at the Mayor's Office of Emergency Management facility.

Transmittal of construction proposals for hurricane wall and visual systems work at 7 World Trade Center Mayor's Office of Emergency Management.

Letter enclosing proposals for a hurricane wall and visual system work at the Mayor's Office of Emergency Management.

Correspondence from Space Design responding to a June 18 inspection letter regarding the Mayor's Office of Emergency Management.

Correspondence from Space Design responding to a June 18 inspection letter regarding the Mayor's Office of Emergency Management at 7 World Trade Center.

Certified letter dated July 8, 1998, from the landlord requesting a $7,000,000 payment for construction rent at the Mayor's Office of Emergency Management.

Certified mail requesting $7 million payment for work at the Mayor's Office of Emergency Management floors in 7 WTC.

Fragmented document containing numerical data and project identifiers related to the 7 WTC construction budget.

Contractor letter requesting payment for construction work at the Mayor's Office of Emergency Management per lease terms.

Certified letter dated September 23, 1998, from the landlord requesting a payment for construction rent at the Mayor's Office of Emergency Management.

Certified letter requesting payment of $3,500,000 for construction work at the Mayor's Office of Emergency Management floors.

Contractor letter requesting the second installment of $3.5 million for construction work at the Mayor's Office of Emergency Management.

Certified mail from the landlord requesting a payment of $7 million pursuant to Article 6 of the lease.

Letter submitting Change Order #1 for sheetrock wall offsets at the Mayor's Office of Emergency Management.

Letter from [name] Properties approving change order #1 for sheetrock wall offsets at $10,817.

Letter submitting change order #1 for $10,817 to install sheetrock wall offsets at the Mayor's Office of Emergency Management.

Memo submitting revised Change Order #3 for surge protector sub-feeds at the Mayor's Office of Emergency Management in 7 World Trade Center.

Contractor submission of Change Order #003 for plug mold outlet and A/V work at the Mayor's Office of Emergency Management.

Memo submitting revised Change Order #1 for sheetrock wall offsets at the Mayor's Office of Emergency Management.

Contractor submits Change Order #79 for $6,955 to install 100 reinforcing plates on blast-proof doors.

Letter submitting Change Order #79 to install reinforcing plates for blast-proof doors at 7 World Trade Center.

Revised Change Order #16 submitted for electrical work at 7 World Trade Center dated October 19, 1998.

Revised change order for electrical work at 7 World Trade Center dated November 19, 1998.

Revised change order #16 submitted for electrical plan revisions regarding drawing changes at 7 World Trade Center.

Revised change order for wood door jamb work at 7 World Trade Center dated September 14, 1998.

Memo submitting revised Change Order #8 for door modifications at 7 World Trade Center dated September 14, 1998.

Memo submitting revised Credit Change Order #007 for fiber distribution system deletions at the Mayor's Office of Emergency Management.

Letter submits revised change order to replace a hollow metal door with a bullet-resistant version at the project site.

Letter submits revised change order for mahogany door and jamb replacements at the Mayor's Office of Emergency Management.

Revised change order for wood door jamb modifications submitted by a contractor for the Mayor's Office of Emergency Management at 7 World Trade Center.

Memo regarding a revised credit change order for fiber distribution work at the Mayor's Office of Emergency Management.

Letter submitting revised Change Order #8 for $11,688.00 to upgrade a door and walls to bullet-resistant standards at 7 World Trade Center.

Revised credit change order for fiber distribution system and equipment work at 7 WTC Mayor's Office Emergency Management space.

Revised Change Order #10 submitted for the installation of a special class I package receiver at 7 World Trade Center dated September 16, 1998.

Letter submits revised change order to furnish and install a special Class I package receiver at the project site.

Change Order #11 submitted for replacing a hollow metal and glass door at 7 World Trade Center dated October 5, 1998.

Letter submitting Change Order #11 to modify door 05 from hollow metal and glass at the Mayor's Office.

Change Order #15 submitted for wall sleeve installation at the 23rd floor of 7 World Trade Center dated October 12, 1998.

Credit Change Order #14 submitted regarding field test witnessing for the emergency generator at 7 World Trade Center dated October 12, 1998.

Change Order #13 submitted for framing and sheetrock work at 7 World Trade Center dated October 12, 1998.

Change Order #12 submitted for voltmeter and ammeter installation on a 2500 amp switch at 7 World Trade Center dated October 12, 1998.

Letter submitting Change Order #15 for the installation of new sleeve locations on the 23rd floor to support cabling at 7 World Trade Center.

Letter submitting credit change order #14 to remove costs for witnessing an emergency generator field test.

Letter submitting Change Order #12 to install meters and upgrade a 2500 amp switch at the Mayor's Office.

Letter submitting a change order for additional framing, sheetrock, fascia, and soffit installation at a doorframe.

Revised Change Order #17 submitted to adjust material costs and install combination floor boxes at 7 World Trade Center.

Letter submitting a revised Change Order #17 adjusting costs for combination floor boxes at 7 World Trade Center.

Change order to replace 36 acoustic panels on the 7th floor as requested by the architect.

Revised Change Order #18 for projector replacement and additional units at 7 World Trade Center dated October 21, 1998.

Letter submitting Change Order #19 for $4,636 to replace 36 acoustic panels at 7 World Trade Center.

Change order to add and remove I-beams at water tank and switch gear areas on the 7th floor.

Change order to provide 277-volt power for fan power boxes by removing existing wiring at 7 World Trade Center.

Letter submitting Change Order #21 for structural work at the water tank and switch gear areas on the 7th floor of 7 World Trade Center.

Letter submitting Change Order #20 for $12,866 to provide power for fan power boxes at 7 World Trade Center.

Revised change order for installing multi-mode fiber optic cables connecting fan rooms and loading dock areas.

Memo submitting Revised Change Order #26R to perform drywall and door closing work at 7 World Trade Center.

Letter from DCAS submitting revised change order #26R for work at the Mayor's Office of Emergency Management.

Change order for controlling monitors and LCD projectors in the EOC at 7 World Trade Center.

Change order to furnish reinforcement plates and cut beams on the 7th floor of 7 World Trade Center.

Memo submitting Change Order #35 to terminate fiber optic cables and install patch panels at 7 World Trade Center.

Letter from a contractor submitting Change Order #35 for $5,796 to terminate fiber optic cables at the Mayor's Office of Emergency Management.

Revised change order for installing low voltage switches and D-Sub conductors at 7 World Trade Center.

Memo submitting Change Order #29 to add duplex outlets and switches in the training room at 7 World Trade Center.

Change order #29 submitted for adding duplex outlets and switches in the training room at 7 World Trade Center.

Memo submitting Change Order #41 for revised antenna support details at the Mayor's Office of Emergency Management in 7 World Trade Center.

Letter submitting Change Order #41 for $16,807.00 for unspecified scope of work at the Office of Emergency Management.

Memo submitting Change Order #33 to extend conduit and install grounding at 7 World Trade Center.

Memo submitting Change Order #30 for a new UPS concrete pad, drilling, and oil leak detection at 7 World Trade Center.

Memo submitting Change Order #28 to modify conduits and install wire for electrical panels at 7 World Trade Center.

Memo submitting Credit Change Order #27 to paint the LAN room floor instead of installing VCT flooring at 7 World Trade Center.

Contractor submission for change order to close door openings and perform scar patching at 7 World Trade Center.

Contractor submission for change order to provide structural support for microwave dishes on the roof at 7 World Trade Center.

Invoice for $5,008 covering completed conduit extension work requested by the Mayor's Office of Emergency Management.

Invoice for $6,694.00 to construct a new coat closet in room 23-09 based on architect specifications.

Submission of change order #30 for a new concrete pad for UPS equipment at 7 World Trade Center.

Change order #28 submitted to modify electrical work for independent feeding of ELP-23N equipment.

Credit change order #27 submitted for painting the LAN room instead of installing VCT flooring.

Change order #26 submitted for drywall work including closing door openings at 7 World Trade Center.

Change order #25 submitted for structural support of microwave dishes on the bulkhead wall at 7 World Trade Center.

Contractor submission for change order to install new metal cap flashing with drip return at 7 World Trade Center.

Invoice for $1,391.00 to furnish and install a new metal cap flashing with drip return at the Mayor's Office of Emergency Management.

Memo submitting Change Order #36 to waterproof the generator room on the 7th floor with Dex-o-Tex flooring at the Mayor's Office of Emergency Management.

Cover letter submitting Change Order #36 for generator room waterproofing at 7 World Trade Center.

Memo submitting Change Order #37 to install stainless steel cladding around new louvers for approximately 20 windows at the Mayor's Office of Emergency Management.

Letter submitting Change Order #37 for stainless steel cladding installation at the Mayor's Office of Emergency Management.

Memo submitting Change Order #38 for installing additional drains in toilets and a sprinkler closet at the Mayor's Office of Emergency Management.

Letter submitting Change Order #38 for $8,346.00 for unspecified scope of work at the Office of Emergency Management.

Memo submitting Change Order #44 for installing fuel oil piping at the Mayor's Office of Emergency Management in 7 World Trade Center.

Transmittal letter submitting Change Order #44 for fuel oil work at the Mayor's Office of Emergency Management.

Memo submitting Change Order #40 for welding new rebar into trench at the Mayor's Office of Emergency Management in 7 World Trade Center.

Letter submitting Change Order #40 for $26,427.00 for unspecified scope of work at the Office of Emergency Management.

Memo submitting Change Order #42 to install four type G wall washers in room 23-40 at the Mayor's Office of Emergency Management.

Memo submitting revised Change Order #39 for installing equipment racks and RJ45 plates at the Mayor's Office of Emergency Management.

Letter submitting revised Change Order #39 for the furnishing and installation of USM furniture and plates at 7 World Trade Center.

Memo submitting Change Order #43 for installing RG-6U plenum cable for the Mayor's Office of Emergency Management in 7 World Trade Center.

Letter submitting Change Order #43 for $11,759.00 for RG-6U plenum cable installation at the Office of Emergency Management.

Memo submitting Change Order #46 to provide power for a supply in room 23-50 at 7 World Trade Center.

Cover letter submitting Change Order #46 for power supply work at 7 World Trade Center.

Memo submitting Change Order #45 for installing a custom press panel and terminating cables at 7 World Trade Center.

Letter submitting Change Order #45 for furnishing and installing unspecified items at the Mayor's Office of Emergency Management.

Memo submitting Change Order #48 for installing a new access door and hardware at room 23-51 in 7 World Trade Center.

Memo submitting Change Order #47 for furnishing stainless steel flexes for generators at 7 World Trade Center due to height restrictions.

Memo submitting Change Order #49 for installing ceiling tiles and relocating sprinkler heads in the press room at 7 World Trade Center.

Memo submitting Change Order #56 for installing a duplex outlet on a fiber rack at 7 World Trade Center.

Memo submitting Change Order #55 for repairing conduits damaged during concrete chopping at the loading dock.

Memo submitting Change Order #54 for electrical work at 7 World Trade Center as requested by the Mayor's Office of Emergency Management.

Memo submitting Change Order #53 for mounting computer equipment and patching cables in the lan room at 7 World Trade Center.

Memo submitting Change Order #52 for removing outlets and installing new circuits in the Commissioner's Office at 7 World Trade Center.

Submission of Change Order #52 for $38,987 regarding electrical work at 7 World Trade Center.

Submission of Change Order #55 for $34,954 addressing fuel oil line installation issues.

Submission of Change Order #54 for $2,670 for work performed on a time and material basis.

Memo submitting Change Order #59 for installing a duplex circuit and drag line on the first floor of 7 World Trade Center.

Memo submitting Change Order #58 for removing computers from the PIU room and connecting them in the EOC area.

Memo submitting Change Order #57 for additional security work at 7 World Trade Center as requested by OEM.

Memo submitting Change Order #61 for wiring auxiliary contacts to magnetic locks at 7 World Trade Center.

Memo submitting Change Order #60 for closing a gap in the hurricane wall with steel plate at 7 World Trade Center.

Memorandum submitting change order #60 to close a gap in the hurricane wall with steel plate at 7 World Trade Center.

Contractor submission for change order covering wiring installation for auxiliary contacts within existing relays.

Memo submitting change order #66 to install floor boxes with plates and relocate wiring under the floor at a cost of $15,460.

Memo submitting change order #65 to furnish an X-ray system consisting of SYS-222-EG&G at a cost of $26,336.

Memo submitting Change Order #64 for $7,114 to provide manpower for patching cables in the LAN room and TV server at 7 World Trade Center.

Memo submitting Change Order #63 for pipe sleeve and cable installation at 7 World Trade Center.

Letter submitting Change Order #63 for $1,912 to install a pipe sleeve and cable for FD-MTD mobile terminal dispatch at 7 World Trade Center.

Letter dated February 1, 1999, submitting Change Order #64 for work at the Mayor's Office of Emergency Management at 7 World Trade Center.

Letter dated February 1, 1999, submitting Change Order #66 for furnishing and installing floor boxes at 7 World Trade Center.

DCAS memo approving $26,336 for X-ray equipment installation at the Mayor's Office of Emergency Management.

Letter submitting change order #83 for $2,805 to install recess boxes for light fixtures due to ductwork conflicts in the EEOC area.

Memo submitting change order #68 for the installation of an astragal on door #05 at a cost of $406.

Memo submitting change order #67 to furnish and make up five cords with 15 amp plugs at a cost of $2,894.

Cover letter submitting Change Order #68 for furnishing and installing one astragal on a pair of doors.

Cover letter submitting a revised service agreement for air conditioning maintenance at the Mayor's Office of Emergency Management.

Memo submitting change order #71 for installing two 3-phase fields for circulation pumps at a cost of $4,579.

Submission of Change Order #71 to install two 3-phase fields for circulation pumps at the Mayor's Office of Emergency Management.

Memo submitting change order #70 for the installation of five cast magnum plaques at a cost of $6,114.

Memo submitting change order #69 for keys, a roof chain, and a door closer at a cost of $780.

Submission of Change Order #69 for additional keys and roof chain installation at the Mayor's Office of Emergency Management.

Submission of Change Order #70 to furnish and install five cast magnum plaques at the Mayor's Office of Emergency Management.

Memo submitting change order #72 for two 'Cockling and [name]' model units for a pantry at 7 World Trade Center.

Submission of change order to furnish two television carts for monitors in the PIU room.

Letter submitting Change Order #73 for the supply of two TV carts for monitors in the PIU room at the Mayor's Office of Emergency Management.

Contractor submits Change Order #74 for $4,631 to install blackout shade bands in conference rooms at 7 World Trade Center.

Submission of Change Order #74 to furnish and install blackout shade bands in the Mayor's conference room and press room.

Invoice for change order #76 regarding relocation of a cold water make-up line at the Mayor's Office of Emergency Management.

Contractor submits Change Order #75 for $4,874 to furnish and install two UPS units at 7 World Trade Center.

Contractor submits Change Order #44R for $85,893 to install fuel lines and supports at 7 World Trade Center.

Contractor submits Change Order #77 for $24,274 to install aluminum dam closures and flashing at 7 World Trade Center.

Single page document fragment from the OEM 7 World Trade Center file containing minimal visible text or data.

Contractor submits Change Order #78 for $6,629 to reinstall speakers and fire devices during ceiling tile work.

Letter submitting Change Order #78 to remove and reinstall speakers and fire devices in the press room at 7 World Trade Center.

Contractor submits Change Order #80 for $1,631 to remove floor granite interfering with fuel oil piping.

Contractor submits Change Order #82 for $8,313 to replace the radio room door with a new blast-resistant door.

Memo dated April 27, 1999 requesting funding from the construction budget for metro traffic feed and dish installation at the Mayor's Office of Emergency Management.

Memo requesting funding from the construction budget for metro traffic feed and dish installation at the Mayor's Office of Emergency Management.

Memo submitting a credit of $30,681 for eliminating eight TV monitors and restocking charges at the Mayor's Office of Emergency Management.

Letter submitting change order #85 for $34,401 to install new piping for re-routed fuel oil lines, including masonry work.

Cover letter submitting Change Order #85 for $34,401 to install new piping for re-routed fuel oil lines at 7 World Trade Center.

Letter submitting change order #87 for $1,276 to install a UPS conversion kit in an office at the Mayor's Office of Emergency Management.

Memorandum submitting change order #87 for the installation of a UPS conversion kit at the Mayor's Office of Emergency Management.

Letter submitting change order #89 for $7,553 to install power and control wiring for the Inergen system in the fuel oil tank room.

Letter submitting change order #94 to install equipment following a domestic transfer pump test for $7,291.

Letter submitting change order #91 for $6,565 to remedy water leakage on the 7th floor of 7 World Trade Center.

Administrative memo submitting change order costs for pump installation and circuit work at 7 World Trade Center dated August 2, 1999.

Memo submitting Change Order #91 for $6,565 to remedy water leakage on the 7th floor of 7 World Trade Center associated with the Mayor's Office of Emergency Management.

Letter submitting change order #093 to wire shade motors and controllers with new circuits for $4,892.

Cover letter submitting Change Order #93 for wiring motor and switch controllers at the Mayor's Office of Emergency Management.

Letter submitting Change Order #92 for installing a wall-mounted kindoff in the press room.

Memo from DCAS submitting change order #92 for installing window film in the press room at 7 World Trade Center dated August 12, 1999.

Letter submitting change order #97 for enclosing fuel oil lines with sheetrock assembly at the Mayor's Office of Emergency Management.

Cover letter submitting Change Order #97 for enclosing oil lines with rated sheetrock assembly at the Mayor's Office of Emergency Management.

Letter submitting change order #95 to install three new electrical receptacles under a conference room table for $1,046.

Cover letter submitting Change Order #95 for $1,046 to install three new electrical receptacles in the Mayor's conference room at 7 World Trade Center.

Letter submitting change order #102 for electrical modifications on the 1st, 7th, and 23rd floors at the Mayor's Office of Emergency Management.

Department of Citywide Administrative Services approval letter for multiple change orders related to data and electrical work at 7 World Trade Center.

Contractor submission for $9,092 to convert press room lights to hard-wired switch legs and eliminate plug-in feeds.

Letter submitting change order #98 to convert press room lights to hard-wired switches at the Mayor's Office of Emergency Management.

Contractor submission for Change Order #99 to install separate electrical circuits in executive and coffee areas.

Letter submitting change order #103 for audiovisual press feed and camera system work on the 1st, 7th, and 23rd floors at 7 World Trade Center.

Letter submitting change order #101 for a wall-mounted Halotron 1 fire extinguisher at the Mayor's Office of Emergency Management facility.

Change order for engineering work related to facility systems and infrastructure, $20,625.

Change order #096 for $10,225 to furnish and install heat tracing on hot water line at 7 World Trade Center Mayor's Office, 1st, 7th, and 23rd floors.

Cover sheet for a fax transmission related to the 7 World Trade Center project.

Invoice for change order #105 covering audiovisual system expansion and drawings for the Mayor's Office of Emergency Management.

Change order for painting smoke room at Mayor's Office of Emergency Management facility, $650.

Invoice for change order #106 covering the installation of a PESA front panel control for the Mayor's Office of Emergency Management.

Invoice dated December 1999 for furnishing and installing a PESA front panel control at 7 World Trade Center.

Invoice dated December 1999 for painting the smoke room at 7 World Trade Center per OEM request.

Letter submitting change order #108 for fiber optic video cable connections and test splices at the Mayor's Office of Emergency Management.

Department of Citywide Administrative Services approval letter for change order #108 regarding video cable connections at 7 World Trade Center.

Invoice for change order #109 covering door lock repairs at the Mayor's Office of Emergency Management dated January 7, 2000.

Invoice for change order #109 ($4,482.00) from property owner for electrical and security work at 7 World Trade Center's Mayor's Office of Emergency Management space.

Letter submitting change order #110 for installing an astragal and sprinkler head at the Mayor's Office of Emergency Management facility.

Invoice for change order #110 ($2,461.00) for work at 7 World Trade Center's Mayor's Office of Emergency Management space, per Port Authority authorization.

Letter submitting change order #111 for insulation, painting, and hardware work at the Mayor's Office of Emergency Management facility.

Memo dated February 14, 2000 submitting change order #112 for valve replacement work at Mayor's Office of Emergency Management.

Contractor submittal of change order #112 for $2,266.00 covering anti-siphon valve replacement and check valve installation on fuel oil pump system at 7 WTC.

Letter transmitting change order #113 for $3,253 to remove and install new fire-rated hatch at 7 World Trade Center tank room.

Submission of change order #001 by Ambassador Construction to install a connected reserve Inergen supply system at the Mayor's Office of Emergency Management.

DEP correspondence dated November 19, 2001, regarding a Declaration of Emergency for World Trade Center contracts.

A letter from the Mayor's Office dated December 23, 1997, regarding the license and lease abstract for 7 World Trade Center.

Legal correspondence responding to a claim filed by a contractor regarding work performed at the World Trade Center site.

Fax cover sheet transmitting a notice of claim filed against the DEP in 2004.

Document record associated with landmark information regarding World Trade Center debris or site conditions.

Letter from the NYC Department of Environmental Protection requesting copies of environmental hazard assessments and cleanup summaries for a specific site.

Memorandum dated August 2, 2002, discussing comments on a cleaning agreement between DEP and a contractor.

Landmarks Preservation Commission letter withdrawing an application for alterations at 125 Cedar Street dated June 25, 2002.

Notice from the Landmarks Preservation Commission withdrawing an application for alterations at 125 Cedar Street due to lack of landmark status.

Transmittal of Request for Proposal for live operator services, including vendor list and supporting documentation from City Department of Health.

Correspondence regarding water main replacements at a site with a street cave-in and retaining wall scope sketches.

Single-page record from the Department of Design and Construction containing fragmented text and an identification number.

Interdepartmental memo from DDC to multiple city agencies including DOT, DOI, and Comptroller's office, February 28, 2013.

Interdepartmental memo from DDC to multiple city agencies including DOT, DOI, and Comptroller's office, January 17, 2013.

Interdepartmental memo from DDC to multiple city agencies including DOT, DOI, and Comptroller's office, June 7, 2012.

Official memo summarizing the latest report of DDC construction projects under development as of early July 2011.

Header page from the Design and Construction department containing standard formatting codes.

Discussion regarding the drafting of contract orders for World Trade Center related work and confirmation of available funding in the budget.

Letter submitting change order #104 for galvanized riser and fiber optic cable installation for telephone and camera systems at 7 World Trade Center.

Change order #094 (revised) for $10,417 to furnish and install automatic air release valve and visual level indicator at 7 World Trade Center.

Letter submitting change order #88 for $120,957 to install an eight-inch conduit for fuel oil piping at 7 World Trade Center.

Memo submitting Change Order #51 for adjusting shelving heights in storage rooms at 7 World Trade Center based on shop drawings.

Memo submitting Change Order #50 to correct incompatibilities between original proposals at 7 World Trade Center.

Memo submitting Change Order #31 to furnish and install security wire in conduits at 7 World Trade Center.

Contractor submission of Change Order #006 for bullet-resistant door upgrades at the Mayor's Office of Emergency Management.

Internal memo from Mayor's Office of Emergency Management requesting approval for additional lighting and dimmer installation in the EOC.

A change order for installation of electrical circuits in executive areas at 7 WTC.

A change order for engineering work related to DOT camera installation at 7 WTC.

Invoice for furnishing and installing a disconnect switch for a hatch door release at 7 World Trade Center.

Proposal from Ambassador Construction to install a disconnect switch for a hatch door release at the Mayor's Office of Emergency Management for $762.

Letter submitting change order costs for fuel line work at the Mayor's Office of Emergency Management.

Letter submitting Change Order #47 for stainless steel generator flexes to address height restrictions at 7 World Trade Center.

Letter transmits a revised Change Order #6 for $406 to furnish a bullet-resistant door at the Mayor's Office of Emergency Management.

Cover letter submitting change order #101 for the provision and installation of a wall-mounted Halotron 1 fire extinguisher.

Contractor submission of change order for power and control wiring at the Mayor's Office of Emergency Management.

Cover letter submitting Change Order #37 for steel cladding work at 7 World Trade Center.

December 23, 1998 memo submitting Change Order #42 for installing wall washers at 7 World Trade Center.

Memo submitting Change Order #85 for additional scope of work at 7 World Trade Center.

Memorandum requesting budget approval for installing metro traffic feeds and dishes at 7 World Trade Center for the Mayor's Office of Emergency Management.

Revised change order for additional furnishing costs submitted by a contractor for the Mayor's Office of Emergency Management at 7 World Trade Center.

A transmittal letter enclosing proposals for a hurricane wall and visual work at the Mayor's Office of Emergency Management.

Certified mail from DCAS regarding lease terms and clarifications for the Mayor's Office of Emergency Management at 7 WTC.

Letter providing comments on submitted architectural plans for the Mayor's Office of Emergency Management.

Cover letter submitting a revised engineering design proposal for the Mayor's Office of Emergency Management at 7 WTC.

Invoice for $54,354 submitted for furnishing and installing security wire in conduits according to specified technical requirements.

Memo submitting Change Order #75 for $4,874 to furnish and install two UPS units at the Mayor's Office of Emergency Management.

Contractor submission of change order #075 to install two UPS units at the Mayor's Office of Emergency Management.

Cover letter submitting Change Order #67 for furnishing and making up five power cords with 15 amp plugs.

Change order submitted by Ambassador Construction to install blackout shade blinds and fabric for the Mayor's conference room.

Submission of Change Order #53 for $2,898 covering additional electrician work at the site.

Application form submitted to the Landmarks Preservation Commission for alterations to a designated property in New York City.

7 World Trade Company, L.P. withdraws a notice and modifies the lease agreement with the City of New York.

Landlord correspondence withdrawing a prior notice and agreeing to modify lease requirements for the Mayor's Office of Emergency Management.

Press release announcing the launch of the EPA hotline for home cleaning and testing services in Lower Manhattan.

Request for proposals from NYC Department of Health seeking vendors to provide live operator services for the WTC hotline.

Formal request for proposals from the NYC Department of Health seeking vendors to provide live operator services for emergency hotlines.

Weekly attendance record for DEP staff in the Asbestos and Lead Program unit.

Report detailing the Department of Environmental Protection's response to heavy rainfall and flooding in Queens on April 30, 2014.

A 30-page license agreement dated March 25, 1998, for the Mayor's Office of Emergency Management to occupy the 23rd floor at 7 World Trade Center.

Correspondence regarding conditions precedent for the lease of 23rd and 7th floor space at 7 World Trade Center.

Draft lease document between the City of New York and 7 World Trade Company, L.P. for space at 7 World Trade Center.

Draft lease agreement between the City of New York and 7 World Trade Company for Mayor's Office space.

Invoice from 7 World Trade Company, L.P. for $2,500,000.00 lease payment to City pursuant to Agreement of Lease dated March 25, 1998.

Invoice from 7 World Trade Company requesting $2.5 million payment for the Mayor's Office of Emergency Management lease.

Invoice from 7 World Trade Company requesting $2.5 million payment for the Mayor's Office of Emergency Management lease.

Invoice from 7 World Trade Company, L.P. for a lease payment due pursuant to the agreement of lease dated March 4, 1999.

Invoice from 7 World Trade Company to the City for $2.5 million regarding the Mayor's Office of Emergency Management lease dated March 4, 1999.

Invoice from 7 World Trade Company to the City for $2.5 million regarding the Mayor's Office of Emergency Management lease dated March 4, 1999.

Letter from 7 World Trade Company withdrawing a Substantial Completion notice and agreeing to modify Article 6 of the lease with the City.

Invoice from 7 World Trade Company, L.P. dated March 9, 1999 requesting $2,500,000 for construction rent at the Mayor's Office of Emergency Management.

Invoice from 7 World Trade Company, L.P. for $2,500,000.00 lease payment to City pursuant to Agreement of Lease dated March 25, 1998.

Invoice from 7 World Trade Company, L.P. for $2,500,000.00 lease payment to City pursuant to Agreement of Lease dated March 25, 1998.

Invoice from 7 World Trade Company to DCAS for $2,500,000 pursuant to the Agreement of Lease for Mayor's Office of Emergency Management.

Invoice from 7 World Trade Company to DCAS for $2,500,000 pursuant to the Agreement of Lease for Mayor's Office of Emergency Management.

Invoice submitted by landlord to the City for lease payments related to the Mayor's Office of Emergency Management.

Invoice from 7 World Trade Company, L.P. to City for $2.5 million regarding leased space for Mayor's Office of Emergency Management.

Invoice from 7 World Trade Company dated February 4, 2000 requesting $1,088,934 for construction rent at the Mayor's Office of Emergency Management.

Cover letter submitting an invoice for $1 million in construction rent payments for the Mayor's Office of Emergency Management.

Invoice from 7 World Trade Company dated June 14, 2001 requesting $504,232 for construction rent at the Mayor's Office of Emergency Management.

Letter enclosing an invoice dated June 14, 2001 for $504,232 in construction rent payments for the Mayor's Office of Emergency Management.

Memo submitting Change Order #62 for $9,679 to complete roofing details at a new curb on the 7 World Trade Center roof.

Document containing handwritten calculations and notes regarding total approved costs before the sixth payment for a construction project.

Invoice issued pursuant to a lease agreement for space on the 23rd floor of 7 World Trade Center.

Invoice dated May 21, 1999 from a landlord entity requesting payment for leasing services related to the Mayor's Office of Emergency Management.

Invoice regarding lease agreement for Mayor's Office of Emergency Management space on 23rd floor of 7 World Trade Center.

Invoice from 7 World Trade Company, L.P. for a lease payment due pursuant to the agreement dated August 6, 1999.

Invoice from 7 World Trade Company to DCAS for $1.8M due under the lease for Mayor's Office of Emergency Management space.

Contract document between the City of New York DEP and a contractor for supply and services at World Trade Center residential sites.

File identification record associated with the Department of Citywide Administrative Services and 7 World Trade Center.

Memo approving an invoice for construction rent payments at 7 World Trade Center and requesting processing of the $1,884,322.00 payment.

A 99-page lease agreement dated March 25, 1998, for the Mayor's Office of Emergency Management at 7 World Trade Center.

Formal lease document establishing terms for the Mayor's Office of Emergency Management to occupy space at 7 World Trade Center.

Official lease agreement between the City of New York and 7 World Trade Company, L.P. for space at 7 World Trade Center.

Draft lease agreement between the City of New York and 7 World Trade Company for Mayor's Office space.

Draft lease agreement between the City of New York and 7 World Trade Company for Mayor's Office space.

Draft lease agreement between the City of New York and 7 World Trade Company for 45,815 square feet at 7 World Trade Center.

Draft lease agreement between the City of New York and 7 World Trade Company for space at 7 WTC.

Draft lease agreement between the City of New York and 7 World Trade Company for space at 7 WTC.

Invoice from 7 World Trade Company requesting $1,884,322 for construction rent at the Mayor's Office of Emergency Management.

Invoice from 7 World Trade Company, L.P. for construction rent payment of $1,884,322.00 due August 30, 1999 under lease agreement.

Invoice from 7 World Trade Company, L.P. for construction rent payment of $1,884,322.00 due August 30, 1999 under lease agreement.

Invoice from 7 World Trade Company, L.P. for construction rent payment of $1,884,322.00 due August 30, 1999 under lease agreement.

Invoice from 7 World Trade Company to DCAS for $1.8M due under the lease for Mayor's Office of Emergency Management space.

Draft license agreement between the City of New York and 7 World Trade Company for space at 7 WTC.

Formal license agreement establishing terms for office space usage at 7 World Trade Center by the City of New York.

Draft license agreement between the City of New York and 7 World Trade Company for office space usage at 7 World Trade Center.

Draft license agreement between the City of New York and 7 World Trade Company LP dated July 29, 1997.

An authorization for additional architectural services to expand the RF distribution system for the Mayor's Office of Emergency Management.

A letter from the landlord to the City regarding lease terms and air balancing reports for 7 World Trade Center.

A letter from the landlord to the City regarding lease terms and air balancing reports for 7 World Trade Center.

Formal notification letter detailing necessary lighting and other facility improvements for the Mayor's Office of Emergency Management.

DEP correspondence to Corporation Counsel establishing an emergency contract for air monitoring services near the WTC site.

DEP correspondence to Corporation Counsel establishing an emergency contract for cleanup and removal of material near the WTC site.

DEP correspondence dated November 13, 2001, regarding a Declaration of Emergency for World Trade Center contract WTC-AER.

Correspondence regarding the contract for air monitoring services in the vicinity of the World Trade Center site dated November 13, 2001.

Official letter declaring an emergency to facilitate procurement under city rules for a WTC-related air monitoring contract.

DEP correspondence to Corporation Counsel establishing an emergency contract for air monitoring services near the WTC site.

Report of air monitoring results for the 19th floor of a Manhattan building using phase contrast microscopy.

Department of Environmental Protection letter declining jurisdiction over a World Trade Center pollution complaint and referring the inquirer to the Department of Health.

Letterhead page from the New York City Landmarks Preservation Commission with postage information.

Cover letter from DEP Director to the NYC Landmarks Commission regarding environmental protection matters at WTC sites.

Department of Environmental Protection fax cover sheet transmitting documents regarding landmark information.

Cover sheet for a fax transmission sent by the New York City Landmarks Preservation Commission in August 2002.

Directory of New York City agency contacts including cell numbers for various departments like ACS, DOB, and DCP.

Request from the Comptroller's Office for departmental reports regarding a specific water damage claim filed against the DEP.

Draft lease document outlining premises and terms for the Mayor's Office of Emergency Management at 7 World Trade Center.

Automated fax report confirming successful transmission of a document to the Department on March 12, 1998.

Automated fax report indicating a failed transmission attempt to a specific number on March 12, 1998.

Automated fax report confirming successful transmission of a document to a specific number on March 12, 1998.

Draft lease document between the City of New York and 7 World Trade Company, L.P. for space at 7 World Trade Center.

Official notice from the Department of Citywide Administrative Services regarding an intent to access specific office space.

A twenty-three-page draft license agreement between the City of New York and 7 World Trade Company for office space at 7 World Trade Center.

Draft license agreement between the City and 7 World Trade Company for space on the 23rd floor to be used by the Mayor's Office of Emergency Management.

Draft license agreement between the City of New York and 7 World Trade Company LP for Mayor's Office of Emergency Management space.

A license agreement designating the 23rd floor of 7 World Trade Center for the Mayor's Office of Emergency Management.

Memo proposing installation of an automatic pump and collection tank to resolve water discharge issues on the 7th floor.

Unidentified public document with minimal legible content related to DCAS administrative records.