Legal hold notice for WTC documents, undated

NYC 9/11 Public Portal Document

4 Financial Center

hupeedon of building revealed eomamination of lobby areas, restaurant and several bars. Some windows blown out on facade facing south. Will put outside are^s on list for cleanup as priority. Building owner responsible for all inside areas, facade and roof top. Building management has all read' imeter of building and has begun cleanup work.

Greenwich to Bdway between chambers and Murray

Cleanup work was completed on 9/2$/01 at OSWhours in the area from Greenwich to Broadway, between Chambers and Murray. Advised that Construction company is responsible to insure no emissions from vehicles occur, At minimum, all loads must be substantially wet down, covered with tarps, and vehicles washed. Air monitoring was fondueted in this m to maintain oloaranoo IoyoIs. Four air samples were tahen in the proposed orca each day. All four samples passed clearance level. These results were as follows:

10/2/01 Park Place and church .007 fibers/cc Park Place and Greenwich .008 fibers/cc Murray and Church .007 fibers/cc Murray and Greenwich .008 fibers/cc

DOH Received draft vehicle advisory as promised Fom DOH. Made comments and returned.

First Response

First Response personnel Fawzy and Haas made entry with FDNY and £SV into a new un chartered area in the southwest corridor below the trade center. DEF provided real raw gm in the environment time monitoring for vital support jjmiT-ii and took air and water samples for further analysis. Investigation of the stability of the slurry wall was performed by EipKis. Gui s sample of w iuon to toms if i t Is possW ton no river. Additionally, air and water samples were taken to check for R22 refrigerant, An attempt was made by rafts to try to get through a flooded area to the freon tanks to assess there condition but was unsuccessful because of debri in the pathway. * Analytical lab results indicate the presence of sea water in the samples. The FDNY Office of Chief Bob Ingraham has been notified of the results.

The daily ground zero monitoring for dangerous gases showed nonnal background levels.

NYC-WTC_000148896