NYC-WTC_000200222

NYC 9/11 Public Portal Document

DRAFT

AMBIENT AIR AND DUST SAMPLING PROTOCOL

FOR H.S. of Economics and Finance (M 833)

IbD The New York City Board of Education (BOE) in an effort to address concerns regarding Indoor Air Quality (lAQ) and potential asbestos contamination of the ambient air at the High School of Economics and Finance following the World Trade Center (WTC) tragedy and associated clean up work had established the following lAQ and ambient air monitoring/assessment protocol:

ASBESTOS To address the concerns regarding the potential of asbestos contamination of the ambient air, daily air testing and analysis shall be performed, including Saturdays and Sundays, inside and outside the school building as follows:

Inside the school building

The total of 11 ambient air samples shall be collected from inside the school building each day as follows:

First floor lobby outside the Auditorium - 2 samples (one sample from 8am-12pm & one from 12pm-4pm) A’

• ! Cafeteria - one sample during the school day

Auditorium - one sample during the school day U- Classrooms on the 4“' Floor (randomly selected) - one sample immediately after the last class

• Classrooms on the e* Floor (randomly selected) - one sampfe Immediately after the last class

• Classrooms on the 8*’ Floor (randomly selected) - one sample immediately after the last class

• Third floor Hallway - one sample immediately after the last class.

• Fifth floor Hallway - one sample immediately after the last class

• Seventh floor Hallway - one sample immediately after the last class

• Ninth floor Hallway - one sample immediately after the last class

Outside the school building

The total of 6 ambient air samples shall be collected from outside the school building each day as follows;

CITY_21MC100_003267220

NYC-WTC_000200222