NYC-WTC_000232362

NYC 9/11 Public Portal Document

ATC ASSOCL4TES, INC 104 E 25th Street, 10th Floor New York, NY 10010 I Tel. 212-353-8280 Fax 212-353-8306

I I REPORT DATE; 08-20-02

I CLIENT:

PROJECT N.4ME; Taylor Environmental Group, Inc,

SC.VStuyvesant HS

I PROJECT NUMBER: 10 th floor

M477.15217/2988]

SAMPLED BY; Client

SAMPLE DATE 08-20-02

I DATE RECEIVED: DATE ANALYZED: OS-20-02 08-20-02

SAMPLE MEDIA; Air Samples analysis REQUIRED; Method NIOSH 7082

I ANALYSTS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION

I ID NO. CONCENTRATION (Ug/m’) LIMIT (Ug/m’)

I 10-Ll

10-L2 21223

21323 Room 1039 South Side

Corridor by Room 1039 <1.4

<1.4 1.4

1.4

I 10-L3

10-L4 21323

21323 Room 1010 East Side

Corridor by Room 1001 <1.5

<1.5 1.5

1.5

I 10-L5 FBI 21323 21323 Room 1001 North Side

Field Blank <1.5

<1.5 us 1.5

1.5

I FB2 21323 Field Blank <1.5 ME 1.5 ug

NOTE 1:

I THE REPORTING LIAUT (RL) IS 3.0 ug NOTE 2: At the present umc there: are no regulatory IcvcJs or rccuircmenls for indoor zirbome lead in aixa samples. However, OSKA has established no action Icxxl of 30 ug/m’ and a permissible exposure level (P£t) of 50 gg/m’ for persona] samples.

I NOTE 3: Blank units arc in pg

I CITY_21MC100_010218323

NYC-WTC_000232362