Labor relations correspondence regarding site locations, Sep 2001

NYC 9/11 Public Portal Document

q9-24-S€P.24- 20QM 5:3iPME associates llc ID = B4-5 S4B Q4®8,'io. 1 95S p. ^PQAZIS

Adelaide Associates, LLC 2

Carbon Dioxide samples were taken using a Telaire 0 - 2000 ppm infrared direct-reading instrument, sensitive to 1 ppm.

Levels measured throughout the facility were below 1000 ppm. The OSHA (workplace) Permissible Exposure Limit Is 5000 ppm. The Federal Government’s Public Building Service recommends a limit of 1000 ppm in "non-industrlal" areas, including general offices and day care centers. , Therefore, the facility is acceptable. It should be noted that one© the building systems are turned on, the levels of Carbon Dioxide willfell from their present levels since more fresh air will be introduced to the building.

Sampling Locations;

’ The following areas were sampled for the various agents as listed below;

Location 1: Outside Main Entrance - CO2, GO, VOCs and Temperature/ Humidity

Location 2: Floor Comer of Ann & Gold Street - COj, CO, VOCs, Temperature/Humidity, Lead and Asbestos Location 3: Floor Comer of Ann iS Willisms Street - CO2, CO, VOCs, Temperature/Humidity, Lead and Asbestos

Location 4:Floor Comer of Fulton & Gold - CO^, CO, VOCs, Temperature/Humidity, Lead and Asbestos

Location 5: LobbyCO, VOCs, Temperature/Humidity, Lead and Asbestos

Jndustflal Hygivna / OSHA Complisnn £w/cs«/Acbestca A Lead Consuhing C^mvnltyNalse Aaaesimtnt/Hazaniatja Maleriat AbtLement

received Tine Sep.24. 4:2lPM

NYC-WTC_000174827 CITY_2IMCl00_013493008