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Document / 9 pages

EPA memo regarding asbestos reservoir inspection, June 2002

Machine-extracted title · confidence 90%

Forwarded EPA memorandum concerning an asbestos reservoir inspection conducted on June 9, 2002.

NYC-WTC_000162325–000162333

Folder label: “E-mails 2002 M. Gilsenan

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Scanned page image, NYC-WTC_000162328
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“0 o c o CT o Asbestos Air Sampling Collecting post-cleaning air samples NYC 15,500 units = 6,000,000* NEED TO CHECK o' o> ro Ca5 from15,500 units (cleaning & 5,' units = 2,1 IF COSTS INCLUDE "0 o ro co testing) and collecting samples from (*may include costs of ANALYSES 9L 5,no units (testing only), by analysis) O o o contraetor services. c 3 TOTAL = 8,000,000 CD 3

Analyzing Asbestos Analyzing post-cleaning samples for EPA Estimate based on 21,855 NEEDS Samples all units, conducted by contractor units. RECONCILIATION services. Estimate based on 12,020,200 higher number of units than cleaning estimate being used by NYC. Validating Asbestos Validating analyses data of post­ EPA 2,404,040 Sample Data cleaning samples, conducted by contractor services. Metals Dust Sampling Collecting wipe samples for metals NYC Estimated based on 20/wipe, 6 NEED TO pre- and post-cleaning at 5% of the wipes/unit + 10% QA. CONFIRM units (not to exceed 50 units ESTIMATE FOR /quadrant for a total of200 units), 26,400 COLLECTION OF conducted by contractor services. WIPE SAMPLES

3

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NYC-WTC_000162328Source: NYC Law Department, mirrored locally

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