NYC 9/11 Public Portal Document
(19) All equipment used for cleaning activities shall be vacuumed and/or wet wiped prior to removal
from the wok a. ,aA ~ ~ ~,Q
ffl '
(20) The T~r%ect -_m ~ inspection to verify the absence of visual
omtor shall perform a thorough visual
accumulations. Additional clean-up procedures shall be performed where visible dust is observed.
(21) Upon successful visual inspection, the work area shall be isolated from the remainder of the work
site pending clearance monitoring. Clearance monitoring shall be performed after completion of all
clean up activities at the work site.
(22) The Technician(s) shall perform clearance sampling after the area is free of dust accumulations as
determined by the Project Monitor. The apartment will be re-cleaned and retested if the clearance
criteria are not achieved. The Contractor is responsible for the costs of re-cleaning associated with
failure to meet the clearance criteria. The clearance air monitoring criteria have been established by
the USEPA for this clean up activity (WTC Vicinity). The clearance criteria are as follows:
Parameter Clearance Level Note
Asbestos in air 0.0009 f/cc PCMe Primary clearance level
Lead in settled dust <25 ft2 Primary clearance level
Dioxin in settled dust <4 ng/m2 Primary clearance level
Fibrous glass in air <0.01 f/cc Secondary clearance level
Crystalline silica in air 1 m3 Secondary clearance level
PAHs in settled dust mg/rn2
<0.3 mg/m2 Primary clearance level
(23) After successful clearance monitoring, isolation barriers shall be removed in accordance with the
applicable requirements of Title 15, Chapter 1 of the RCNY.
(24) The cleaning contractor is not responsible for damage or loss caused by the acts of parties not
involved with the cleanup. Resident shall be responsible for the removal of any valuables. If such
removal is not feasible, the resident shall notify the Project Monitor in writing (including original
receipt, formal appraisal, or estimated value) as to the location, description and value of said item.
(25) Disposal of all wastes generated during the cleaning shall be the responsibility of the contractor. All
waste generated shall be treated as asbestos-containing material (ACM) with the exception of items
that can be cleaned prior to disposal. As specified above, large items may be cleaned and disposed
as non-regulated waste with prior authorization by the Department. Transportation and disposal of
generated waste shall be in compliance with all applicable rules and regulations.
(26) All work shall be in compliance with all other applicable requirements of Title 15, Chapter 1 of the
RCNY.
(27) The following table contains special conditions and handling instructions for items in specific units.
Items not specifically referenced in this table shall be handled in accordance with the procedures
specified in this scope of work and in written documentation provided by residents via DEP.
4 of 5
2/7/03
NYC-WTC 000102608
OCR can misread numbers and units. Confirm readings against the page image before using them.