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← Document results/DEP Box 31/114 LIBERTY 2 OF 2
Document / 65 pages

Scope of work for 114 Liberty Street cleaning, December 2002

Machine-extracted title · confidence 95%

Submission of a preliminary scope of work document for safely cleaning the 114 Liberty Street building.

NYC-WTC_000155460–000155524

Folder label: “114 LIBERTY 2 OF 2”

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NYC 9/11 Public Portal Document

December 17,2002 114 LIBERTY STREET REMOVAL OF DUST, DEBRIS, AND CONTAMINATED MATERIALS

Parameter Clearance Level Cadmium <4.7ug/ff Chromium <465 ug/ff Copper <929 ug/ft^

Lead <25 ug/ft^ Nickel <14 ug/f^

Zinc <4645ug/ff

Dioxins/Furans <0.37 ng/ff**

** - 2,3,7,8-TCDD toxicity equivalents (TEQ)

F. Clearance Failure Criteria and Response Actions

1. If any of the air or wipe samples fail to meet the specified clearance criteria, then the entire work area shall be re-cleaned and tested for only the specific contaminants) that failed.

2. The clean up and testing for the parameter(s) that failed shall be repeated until compliance is achieved. The Contractor shall be responsible for any additional cost incurred, including the Owner's air monitoring and wipe sampling, due to test results exceeding the limits prescribed in Item E.

PART 2 - PRODUCTS (Not Applicable)

PART 3 - EXECUTION

3.01 PERSONAL MONITORING:

A. The Owner shall not perform air monitoring to meet the Contractor's OSHA requirements for personnel sampling or any other purpose. This testing is the sole responsibility of the Contractor and shall be included in the Contract Sum.

END OF SECTION 05

25 ® AMBIENT GROUP, INC.-2002 AIR AND WIPE SAMPLING

NYC-WTC_000155490

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NYC-WTC_000155490Source: NYC Law Department, mirrored locally

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