NYC-WTC_000200230

NYC 9/11 Public Portal Document

1

DRAFT REV. 2/25/02

AMBIENT AIR AND DUST SAMPLING PROTOCOL

FOR

P.S. / I.S. 89 MANHATTAN

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 P.S./ I.S.89 Manhattan 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 10 ambient air samples shall be collected from inside the school building each day as follows:

• First floor hallway outside cafeteria - 2 samples (one sample from 8am-12pm & one from 12pm-4pm)

• Cafeteria - one sample during the school day

• Gymnasium - one sample during the school day

• Auditorium - one sample during the school day

• Classroom with north side unit ventilators —one ^sample immediately after the last class

• Classroom with east side unit ventilators - one sample immediately after the last class

• Classroom with south side unit ventilators - one sample immediately after the last class

• Second floor Hallways south end - one sample immediately after the last class.

• Fourth floor Hallways south end - 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:

• Inside playground, north side - 2 samples (one sample from 8am-12pm & one from 12pm-4pm)

CITY_21MC100_003267270

NYC-WTC_000200230