NYC Law Department release
Independent mirror · updated as the City releases more · v1.3.2
☕ Buy me a coffee
← Document results/Unboxed/No folder label
Document / 2 pages

Lead dust wipe analysis, M833 site, June 2002

Machine-extracted title · confidence 95%

Laboratory results for lead concentration in dust wipe samples collected on June 15, 2002.

NYC-WTC_000180138–000180139
←Page 1 of 2→
Mirrored PDFOfficial City PDF ↗
Page image
Scanned page image, NYC-WTC_000180138
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

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

REPORT DATE; 06-17-02

CLIENT: NYC BOE

PROJECT ADDRESS: M833 / 100 Trinity Place New York, NY 10006

PROJECT NO: 41617-0563

SAMPLED BY: C. Mathew

SAMPLE DATE: 06-15-02 DATE RECEIVED: 06-15-02 DATE ANALYZED: 06-15-02

SAMPLE MEDIA: Dust Wipe Sample ANALYSIS REQUIRED: Method EPA 3050/7420

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECnON ID NO. CONCENTRATION LIMIT (Pg/ft^) (Mg/<0

01 9854 9th Floor Office Rm 904 Window Sill <2.6 2.6

02 9854 9th Floor Hallway by Rm 903 Floor <9.0 9.0

03 9854 Sth Floor Cafeteria by Entrance Floor 16.5 9.0

04 9854 7th Floor Hallway by Rm 705 Floor <9.0 9.0

05 9854 6th Floor Classroom 604 Floor <9.0 9.0

06 9854 5th Floor Hallway by Rm 507 Floor <9.0 9.0

07 9854 4th Floor Classroom 406 Floor 9.6 9.0

08 9854 3rd Floor Hallway by 305 Floor <9.0 9.0

09 9854 1st Floor Lobby by Rm 102 Floor 11.6 9.0

10 9854 Auditorium by Entrance Floor 11.7 9.0

11 9854 Blank <9.0 ng 9.0 |ig

NOTE I: THE REPORTING LIMIT (RL) IS 18.0 ng NOTE 2: HUD Guidelines for final clearance dust wipe samples: Floor 40 pg/fF, Window sills 250 pg/fF, Window wells 400 pg/fF, Exterior surfaces 800 pg/fF. NOTE 3: Blank units are in pg

CONFIDENTIAL, CITY_21MC100_003463393 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000180138

OCR can misread numbers and units. Confirm readings against the page image before using them.

NYC-WTC_000180138Source: NYC Law Department, mirrored locally

Related records

Browse subjects →

Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.

Same-box records

Filed elsewhere

No available related records indexed in this group.

More like this page

Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.

Buildings in this record

Machine-extracted building matches; verify each source. Buildings, never households.

Others also read

Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.

Compare copies and versions →