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Con Edison contact information sheet, Sep 2001

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Document page containing contact details for Con Edison and JWC Environmental Health & Safety personnel.

NYC-WTC_000165900–000165926
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NYC 9/11 Public Portal Document

Between boring locations, the drill head and hollow stem augers will be steam cleaned. Other drilling tools such as split-spoon samplers, which would potentially come into direct contact with the soil samples, will be cleaned by the following procedure: simple- ,.gtfen & water solution scrub, followed by a tap water rinse, and finally by a distilled water rinse. Decontamination procedures will be done in a sheet plastic lined decon area which will capture the decon fluids.

As drilling proceeds, the JWC geologist will monitor the air in the work area with a photoionization detector (PID) that is calibrated daily to 100 part per million (PPM) isobutylene.

Any changes to the scope of work outlined above (e.g., additional borings, changes in boring target depth, change of boring locations, etc.) will be decided by the field geologist based on conditions encountered following consultation with Con Edison.

Con Edison will be notified immediately in the event of a spill (see Emergency Procedures - Spills).

7 WTC HASP 4

NYC-WTC_000165904

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NYC-WTC_000165904Source: NYC Law Department, mirrored locally

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