NYC-WTC_000231976

NYC 9/11 Public Portal Document

Section 2 - Ambient Air Monitoring Program Revision No.: 0 130 Liberty Street Deconstruction Plan Date: September 7, 2005 Lower Manhattan Development Corporation

9.0 EXCEEDANCE NOTIFICATION Notification

The USEPA Region 2 (any exceedance), NYCDEP (asbestos exceedance only) and the NYSDOE (asbestos exceedance only) as well as the EMDC and the EMCCC will be notified promptly via phone and electronic mail of any exceedance of either a Target Air Quality Eevel or a USEPA Site Specific Trigger Level and will be notified promptly of any corrective actions taken in connection with a Target Air Quality Level exceedance or an USEPA Site Specific Trigger Level exceedance.

In the event that an exceedance of a USEPA Site Specific Trigger Level occurs, LMDC shall prepare an Exceedance Summary Report, following completion of the exceedance assessment, for submission to the USEPA. This will be a 1-2 page report stating nature of the exceedance, causes of the exceedance and corrective actions taken if it was determined to be associated with 130 Liberty Street.

Monitoring Data

All Sampling results collected pursuant to this specification, in suitable electronic form, will be promptly provided to the USEPA Region 2, NYCDEP, NYSDEC and NYSDOE offices weekly and exceedances will be reported as provided above. In addition, 24-hour averages and graphical data for all continuous sampling data will be provided to the USEPA Region 2.

9-1

CITY_DEP_WORBY_CANNATA_SUBP_000057095

NYC-WTC_000232005