NYC-WTC_000218466

NYC 9/11 Public Portal Document

Scope of Work

ATC Associates, Inc. (ATC) was retained by New York City Board of Education (NY’C- BOE) to collect dust wipes to be analyzed for lead content. Dust wipe samples were collected from areas recommended by the Parents Association consultant representative Mr. Tom Fusillo of ENVIRON Corp, and approved by NYC- BOE and as specified in the revised sampling protocol for the school. These areas are the following;

• Outside the Building, Small Playground Surfaces - Three (3) samples • Outside the Building, by the Main Entrance - Three (3) samples • Outside the Building, Large Playground Surfaces - Five (5) samples • 1 Floor Hallway - One (1) sample • Cafeteria - One (1) sample • Auditorium - One (1) Sample • Gymnasium - One (1) sample • Throughout 2"^ floor - Additional nine (9) samples targeting Pre-K and Kindergarten classrooms where present • Throughout 3"^ floor - Additional five (5) samples targeting Pre-K and Kindergarten classrooms where present • Throughout 1* floor - Additional four (4) samples targeting Pre-K and Kindergarten classrooms where present

The purpose of the dust wipe sampling is to determine if dust in the school contains lead. ATC will be repeating this sampling preferably every Saturday as per the recommendation of ENVIRON Corp, and after the approval of NYC-BOE. This is the 11* consecutive week dust samples were collected from P.S. 234M to be analyzed for lead content after the sampling protocol is approved.

ATC’s representative Mr. Chacko Mathew visited P.S. 234M located at 292 Greenwich Street, New York, NY on March 23^^ 2002. Dust wipes to be analyzed for lead content were collected from the aforementioned areas indicated by ENVIRON and as specified by the New York City Board of Education Environmental Health & Safety Unit and in accordance with HUD protocols.

LEAD-IN-DUST SAMPLING

Lead-in-dust threshold levels The New York City Health Code, part 173.14 and the Federal Departments of Housing and Urban Development (HUD) and Environmental Protection Agency (EPA) have established acceptable lead-in-dust levels for re-occupancy after a lead abatement has occurred (commonly referred to as “final clearance” levels). As stated in the Code, final clearance after abatement has taken place is achieved when dust wipe samples indicate lead levels below those listed below:

P.S 234M March 25, 2002

CITY_21MC100_002878861

NYC-WTC_000218467