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Bulk soil and surface wipe sampling report, Jan 2002

Machine-extracted title · confidence 90%

Report presenting findings from bulk soil and surface wipe sampling performed at Battery Park in January 2002.

NYC-WTC_000105236–000105261

Folder label: “BATTERY PARK; 1077335, 3/1

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NYC 9/11 Public Portal Document

Mr. Vincent McGowan BPCPC January 14, 2001 Page 6 of 6

Results of all four surface wipe

samples for Mercury were ND or "None Detected".

Below is a table summarizing our findings by each contaminant (metal):

Table 2: Results of Metals in Wipe Samples and Guideline Standards

Contaminant (Metal): Range of Analytical Results of (4) Regulatory Limit Wipe Samples (ug/sq.ft.): (ug/sq.ft.): Arsenic ND.-36.0 N/A Cadmium ND N/A Chromium 6.89 — 35.5 N/A Lead' 19.8 — 42.3 (Avg. 26.925) 40 Merc ND N/A I — The limit for Lead is set by the New York City Department of Health (NYCDOH) and the USEPA at 40 micrograms per square foot (ug/sq.ft.) on floor surfaces as a clearance criterion for lead-based paint abatement activities. The clearance criteria is compared to the average of all surface wipe samples collected from each separate surface type.

2— Four separate surface wipe samples were collected for Mercury. Samples were collected side-by-side at the same locations of the other surface wipe samples.

ND = None Detected N/A = Not Available

NYC-WTC 000105241

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NYC-WTC_000105241Source: NYC Law Department, mirrored locally

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