Law Department notice on WTC document preservation, Oct 2001

NYC 9/11 Public Portal Document

Appendix M

Cleaning Procedures for Residents Opting to Have Their Residences Cleaned Scope of Work Procedures ..'//A Common Cleaned if requested by the building Cleaned if requested by the building owner. Areas owner. Procedures included Procedures included vacuuming, wet wiping, vacuuming, wet wiping, and cleaning of and cleaning of carpets using a water carpets using a water extraction extraction cleaner. Additionally, all surfaces cleaner. Surface not cleaned by wet except for carpet and fabric covered furniture methods to be vacuumed two times. to be cleaned a second time.

HVAC HVAC systems determined to be HVAC systems determined to be impacted by Systems impacted by WTC dust to be cleaned in WTC dust to be cleaned in accordance with a accordance with a site-specific scope of site-specific scope of work prepared by the work prepared by the monitoring monitoring contractor and approved by EPA. contractor and approved by EPA. In Work to be completed before initiation of the event that the entire HVAC system cleaning of common spaces and residences needs cleaning, a separate site-specific in the building. contract will be awarded by N YCDEP for the work. Work to be completed before initiation of cleaning of common spaces and residences in the building.

Residences Cleaned using HEPA vacuums, water Cleaned using HEPA vacuums, water extraction cleaners, and wet wiping. extraction cleaner, and wet wiping. First foot First foot of all exhaust duct work to be of all exhaust duct work to be vacuumed. vacuumed. Additionally, ail surfaces except for carpet and fabric covered furniture to be cleaned a second time.

Worker No specific measures described in the Residents not allowed in work areas, except Protection scope of work. residents may be present in their residence during cleaning when the work area can be isolated by barriers.

Asbestos abatement procedures to be employed include, among others: use of personal protective equipment including respirators, a properly enclosed decontamination system, posting of warning signs, isolation barriers to seal off openings, and all waste generated during the cleaning being treated as asbestos-containing waste and disposed in accordance with applicable rules and regulations.

103 Report No. 2003-P-00012

NYC-WTC_000145623