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← Document results/DEP Box 51/10 CORTLANDT STREET 1078966, 63/1 BIN # 1078966
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Document label for 10 Cortlandt Street

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Administrative label or header page identifying records associated with 10 Cortlandt Street.

NYC-WTC_000126257–000126287

Folder label: “10 CORTLANDT STREET 1078966, 63/1 BIN # 1078966

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NYC 9/11 Public Portal Document

Hillmann Environmental Group, L1.0

• Levels of PCBs present in air were found to be below the limit of detection and therefore below the ACGII I recommended limit of 1.26 mg/m'.

• The volatile organic compound levels determined by sample analysis ranged from 0.056 mg/m' to 0.67 mg/m' throughout the subject space. Hillmann recommends a limit of 1.7 mg/m' determined by sample analysis for these compounds. These levels were below our recommended limit.

• Levels of metal fumes, specifically those that may result from the continual burning and welding that has occurred at the World Trade Center site, were all found to be below the limit of quantification, and therefore below all recommended limits.

• Dioxin levels determined by sample analysis ranged from 0.008 ng to 0.015 ng. Hillmann recommends a limit of 25 ng determined by sample analysis for these compounds. These levels were below our recommended limit.

• Levels of airborne asbestos fibers ranged from the limit of detection to 0.0049 fibers/cc, and well below the New York City's "Clearance Criteria, and the US EPA's "Clean Air" guideline of 0.01 fiberslcc.

• Fungal Spores were found to be below the level of outdoor comparison samples and similar in species diversity. The building does not appear to be amplifying microbial growth.

22 Cortlandi Street/New York, NY/Project Number Y2-1458 Page 2

NYC-WTC 000126263

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NYC-WTC_000126263Source: NYC Law Department, mirrored locally

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