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1 <br /> /-4rrida ul 1'4.'1989 ra The Stockton Record <br /> Hoffman said lab officials would isotope will not be radioactive by <br /> � w review EPA data that led to rank- the time it reaches groundwater <br /> . "'TP <;.' Ing Site 300 as a priority cleanup in the Tracy area,Hoffman said. <br /> Continued from B-1 spot. They may appeal that deci- <br /> Hoffman said independent tests sion, he said.Hoffman said chemi Trichloroethylene, a clean- <br /> Hoffman <br /> the lab have scored Site 300 in cals that have led to groundwater Ing solvent that is a suspected <br /> Y <br /> the low teens the past three years. contamination at Site 300 are no carcinogen. <br /> longer being released. ■ RDX, a high explosive com- <br /> ,"When we got wind the EPA. The pollutants are: pound that is confined to one <br /> might put us on the proposed small area of groundwater. <br /> priority list,we hired an EPA con- IN Tritium,a radioactive Iso- <br /> tractor who does this kind of work tope with a half-life of 12 years. monitoring pollutants in the <br /> for the EPA,and we scored in the Because of the slow movement of groundwater at Site 300, Hoffman_ <br /> low teens again,"he said. groundwater beneath;Site 300,the g _ <br /> �, riourked Thursday are In 26 Pendleton Marine Corps Base; <br /> states. California had .the, most George Air Force Base; March Air <br /> i.jny.,of these faellltles;:;are sites 11 ='followed by Alaska Force Base; and Travis Air Force <br /> much.,larger 'and =more;complex x and Florida each with(our. :." Base. <br /> ?;than other Superfund sites, with.:; <br /> ;..wide varieties of of hazardous and') All .. At Edwards Air Force Base, the <br /> radioactive wastes;' EPA admin ls- <br /> .t trator+William Reilly .said ln. a� Ili addition to .Livermore and EPA identified 21 waste areas — <br /> i the'Tracy Defense Depot,the Cali- six still needing cleanup. The re- <br /> : <br /> news ielease announeing.:the ad- fornia.sites listed were. Edwards 'port said the research base for <br /> 4ditions Air Force Base in Kern County; new aircraft—and landing site of <br /> ` • '' Mather Air Force Base Disposal . most space shuttle missions — <br /> G: Most of-,the sites slated for ad site, Sacramento; Treasure Island had one waste site three miles <br /> 41tion to the`National Priorities' .` Naval Station-Hunters Point, San from where the base obtains the <br /> ,or Superhind list are military in Francisco;, Fort Ord; Barstow Ma- drinking water for its 13,800 em. <br /> stallations The,.52,sites'ari rine Corps Logistics Base; Camp ployees. <br /> ti <br /> i <br /> .r <br />