Residential Air Sampling Contract Intro, WTC Dust, July 2002

NYC 9/11 Public Portal Document

Scope of Work B

Application: A visual inspection was performed and the presence of accumulations of dust or debris (including large or significant amounts of dust or debris in residential units or portions thereof such as windows, Brraces or balconies) from the collapse of the WTC was identifled by EPA or designee.

Residents may be present (^pending o.i these unit specific circumstances. In cases where clean Up areas cm be wlated by aos|ng ooms or by the erection of cont^ment bamers, the resident may be present to foe unit. In all ot|er applications of Scope B it is assumed that resident.s will not be present.

1. A site specific wori^-plan will be prepared for review and approval by EPA prior to t^i^^rt of woric. This work plan will include detailed procedures for the removal of dust and debris and the cleaning. F

2. An AGP-7 form asbestos project notification fo’.n shall be submitted, as required by Title 15, Chapter 1 of the R.ClJY, directly to the NYC DEPfebestos Control Program prior to the start of work. NYS DOL notification shall be submitted. 0 3. At least one asbestol supervisor shall be prc.<cni al each work place (work place is defined in Title /5, Chapter 1 RCNY as foe work area and the decontamination enclosure Systran).

4. Personal protective ^uipment^^mding disposable climbing, gloves, and respirators shall he worn during this clc^*^ activity:

JDId we he»r(^m Bavld|«M^regardmg the implications of deleting “In accordance with OSHA rules and regulations'' from item 4 above?] .. 5. Warning signs shall be posted at the approach to foe work area. • 6. A worker decontamination en^^pe system shall be installrai at foe entrance to foe work area. A remote decontamination enclo&re system shall be considered when appropriate i.e. inability t^ri^mply with the provision due to space imitation or other agency rules, such as for compliance with NYCFD egress requirements. • i 7. }1\’.-\C systems ^^foe shut down and locked out or isolated locally. The site specific work plan shall pro'^»*additional information on the HVAC systan and proposed procedures for shutdown or isolati>. I '■ 8. Isolation bamers sn4|l be installed with two lav** „ u. 6-mil polyethylene sheeting and sealed with tape.

9. Negative pressure ventilation equipment shall be installed and operated during all clean-up activities. Equipment shall run continuously until clearance air monitoring. A minimum of one air change evey 30 minutes shall be provided. When ducting to foe outside is not possible, a

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