NYC-WTC_000202495

NYC 9/11 Public Portal Document

7 104 East 25th St., tOth Ft i New Yor<, New York 10010 ' www.ate-envird.com '212.353.8280 7 Fax 212.353.8306 ASSOC I AT E S IN C .

September 5^ 2002

Mr. B emard P 7 Orlan New York City Department of Education Director, Environmental Health & Safety Unit 28-11 Queens Plaza North Long Island City, NY lllOl ( !v Re: Limited settled dust bulk sampling for fiberglass at P.S. 42M 7 L 71 Hester Street , New York, New York 10002

Dear Mr. Orlan:

At your request, ATC Associates, Inc. representative Mr. Mark Nakhumovich visited P.S. 42M located at 71 Hester Street, New York, NY 10002 on September 4,2002. The purpose of the site visit was to perform a settled dust bulk sampling to be analyzed for fiberglass fiber content on areas indicated to ATC by the New York City Department of Education (NYC-DOE). These areas, are the following: .

• U‘ Floor Lobby • Cafeteria 7- 77 • Floor, 2"“' Floor, 3'^ Floor, 4* Floor, 5*^ Floor Hallway • Auditorium • Two random classrooms

The purpose of the dust bulk sampling is to determine if settled dust in the school contains fiberglass fibers, ;'/ ' :■

As per your request, a total of ten (10) settled dust bulk samples were collected ftom the aforementioned areas and were analyzed utilizing Polarized Light Microscopy (PLM).

Analytical results indicated that none of the ten (10) collected settled dust bulk samples contain fiberglass fibers. '7 /' • ■

The Settled dust bulk sampling performed was limited to testing for fiberglass in locations indicated by the NYC-DOE.

Attached please find the following: }■

CITY_21MC100_011276777

NYC-WTC_000202495