Chain of custody form for DEP environmental samples, 2001

NYC 9/11 Public Portal Document

Mattress Store and the Lemongrass Grill. These three units were cleaned as part of the study. The Food Exchange air conditioning system utilizes a water-cooling tower located on the atrium roof that was also cleaned.

2.10 Summary of Cleaning Activity

Table 4.0 presents an overview of the tests used to clean residential and common areas of the building as well as a description of that area. A foil description of the cleaning activities in each area can be found in Attachment H, Synopsis of Cleaning Methods by Building Area and Fact Sheets. SSSSSHSSiSSSSSiBsSSjSS®

Unit^Area Equipment Used Cleaning Method llllliillili ■III \ Second Tidrd Cleaning Clemting Cleaning OBIO; ... ___________ _______________ Industrial HEPA vaeown HonzonUt Surfaces

— iliiHii ATO ■il 3A Cragsman* shop vacuum -rest 28 Horizontal ; soap/watfiri COPC vwHEPAandAFD I fc.

AEO S _ Craftsman* shop vacuum ■ llillbs Asbestos/ :S;

and Eureka* upright overload and - Horizontal & lead (micro MMVP(afr) Industrial HEPA vacuum, TestSB Vertical vacuum) exceedattee AFD /; :!Sur®^'^ 35) 1 1 S’" Flow Industrial HEPA vacuum, Test4A^ Horizontal & soapAvator Common AFD Vertical core

SffiS Te!«2A au^iuJ 1 ■ SS

Ridgi<f*’!aiop vacuum and Hocver® upright, HEPA audAFD Tad2B Horizontal Sdifeices;/; soap/water ■I 4C '

■Mi 23

NYC-WTC_000145721