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9/30/2015 8:37:02 PM
Official Document Type
Agenda Item Number
Work Authorization No. 9902-09 Fleet Management Facility
Limited Petroleum Site Assessment
4450 41st. St.
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V <br /> 6770 S. Washington Avenue • Suite 1 <br /> Titusville, Florida 32780 • USA <br /> GEOSYNTEC CONSULTANTS Tel. (321) 269-5880 • Fax (321) 269-5813 <br /> 18 March 2005 <br /> Janet B . Dunlap , P . E . ------ <br /> Indian River County Fleet Management ( � <br /> 5235 41 " Street D <br /> Vero Beach, Florida 32960 <br /> ASR 2 � 2004 <br /> Subject : Limited Petroleum Site Assessment u <br /> Indian River County Fleet Management p pR J s <br /> 4450 41St StreetCAPITALf' <br /> FDEP Facility ID No . 318731794 <br /> Vero Beach, FL 32960 <br /> Dear Ms Dunlap : <br /> GeoSyntec Consultants (GeoSyntec) is pleased to submit this fee proposal to Indian <br /> River County Fleet Management (IRCFM) for professional services associated with the <br /> performance of a limited petroleum site assessment at the referenced site . GeoSyntec is <br /> in receipt of the Closure Assessment Report (CAR) which documented the closure of <br /> three, 10 , 000 gallon underground storage tanks (USTs) . Soil and groundwater samples <br /> collected during the performance of the UST closure activities identified petroleum <br /> constituents above Chapter 62 -777 , Florida Administrative Code (FAC) soil and <br /> groundwater cleanup target levels (CTLs) . Based upon these findings , the initiation of <br /> site assessment activities in accordance with Chapter 62 -770 , FAC , is required. <br /> Overview <br /> GeoSyntec reviewed the CAR prepared by American Environmental Associates , <br /> Inc . It should be noted that while a groundwater grab sample collected at the time of <br /> UST closure field activities detected petroleum constituents above groundwater CTLs <br /> (specifically benzene , ethylbenzene , toluene, and total xylenes) , and soil sampling <br /> results revealed an exceedance of the soil leachability CTL for acenaphthene , the <br /> concentrations detected were generally low. Based upon these findings , GeoSyntec <br /> recommends limited field activities initially, to assess the current groundwater <br /> concentrations (based upon 10-ft screened monitoring wells) and soil concentrations <br /> based upon organic vapor analyzer (OVA) field screening with the collection of limited <br /> additional soil samples for laboratory analysis . Based upon the findings of the limited- <br /> scope site assessment, it may be possible to obtain No Further Action (NFA) for the <br /> site , based upon the collection of limited additional data . <br /> XR050023 /XR05XXXX/IRC —Limited Petroleum Site Assessment <br />
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