PROJECT PROFILE REMEDIAL INVESTIGATION/FEASIBILITY STUDIES FOR AVIANO AIR BASE The Aviano Air Base is Italy’s oldest cated within the facility itself and an airport, having been in continuous op- additional ten sites, referred to as Geo- eration since 1911. Aviano Air Base is graphically Separate Units (GSUs), located in the northeastern part of Italy, were located away from the base. The at the base of the Italian Alps, about 32 D’Appolonia studies were conducted as kilometers north of Pordenone. Aviano part of multiple contracts, which Air Base has an aging infrastructure, through 1999 were held directly with much of which was constructed in the the U.S. Air Force in Europe (USAFE). 1950s through the 1970s. Since 1999, this work has been per- formed in association with CH2M Hill. D’Appolonia’s billings since 1995 related to Aviano Air Base envi- ronmental studies have exceeded $7.5 million. D’Appolonia has been responsible for numer- Geophysical surveying at Aviano Air Base. ous Remedial Investi- gation/Feasibility • 3.2 hectares of geophysical cover- Studies (RI/FSs) at the age including EM-61 deep metal Aviano Air Base. detection, DC resistivity profiles, These efforts typically EM-31 conductivity measurements, included a review of and ground penetrating radar; D’Appolonia drilling/sampling operations at Aviano Air Base. historical documenta- • 548 borings totaling more than Since 1995, D'Appolonia has investi- tion, geophysical surveying, soil gas 5,000 meters of drilling; gated subsurface contamination and m e a s u r e m e n t s , s e d i m e n t s a m - • 168 test pits excavated for surficial developed remedial cleanup designs for pling/analysis, drilling and sampling sampling; and 18 separate areas located at sites for and monitoring well installation and • 1195 samples collected for external which the Aviano Air Base is responsi- sampling/analysis. This work has in- laboratory analysis. ble. Of these 18 sites, eight were lo- cluded field activities: All of the RI/FS work has involved de- velopment of comprehensive Work Plans, including the Quality Assurance Project Plans (QAPPs) and Health and Safety Plans (H&SPs), prepared in ac- cordance with Air Force Center for En- vironmental Excellence (AFCEE) stan- dards, as well as Italian National stan- dards and U.S. Environmental Protec- tion Agency standards. In addition to the RI/FS studies, a pro- gram of bioventing for intrinsic reme- diation was implemented at the Aviano Air Base POL Yard site. D’Appolonia also designed a composite cap system for the former Fire Pit. Since the work initiated in 1995, D'Appolonia has con- tinuously held contracts for environ- mental studies that are projected to ex- Three-dimensional view of soil gas plume at the POL Yard area. The plume is superim- posed on a fence diagram of the subsurface soil horizons. This type of modeling was used tend at least through 2007. as a tool for remediation planning.
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