HomeMy WebLinkAboutSEOPW-CRA-2003-02-24-Discussion Item 14L�
ITEM 14
Status on Parking Lot 7 Environmental Assessment Reports
t� (Board request from January 27, 2003)
9955 N.W. 116th Way Suite 1
Miami, FL 33178
www.atc-enviro.com
305-882-8200
Fax 305-882-1200
A 9 8 0 C I A T F 8 I N C
L+'XECUTIVE SUMMARY
Proposed City of Miami Parldng Lot P-7
801 Northwest 2"a Avenue
Miami, Florida 33136
Folio No. 0 1 -0 103-060-1220
Based on .an aerial photograph review, the property was historically developed as an
automotive service station. Results of a soil test pit investigation performed in June of
2000, identified the former location of the underground storage tanks, and that they had
been removed from the facility. In October of 2000, the groundwater quality was
investigated in the former tank area and the dispenser location. These data confirmed a
petroleum discharge in both monitoring well locations, which was only slightly above
cleanup standards, but below Monitoring Only Plan (MOP) standards. Tn January of
2003, three additional wells were installed on the site to provide property delineation of
the petroleum impacts. The current, January. 2003 groundwater quality data indicated
only limited groundwater impacts along the northern'property line.
Disclosure of these data to DERM likely would result in the issuance of a Notice of
Violation (NOV) and Ordcrs for Corrective Action (OCA). These notices typically require
the owner of such properties to conduct further assessment, remediation, and/or groundwater
monitoring activities until the detected contamination bas attenuated to levels at/or below
regulatory guidance levels. Based on the groundwater impacts identified it is suggested that
only limited additional assessment would be required, followed by groundwater monitoring.
In addition to these activities, it is generally DERM policy to further limit the discharge of
stormwater to portions of the site where groundwater quality meets applicable Miami -Dade
County Chapter 24-11 Groundwater Criteria_ .Based on these data, stormwater discharges
should likely be directed toward the southern portion and western portion of the site after
obtaining input from DERM.
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