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Califomia Reg 1 Water Qualit ontrol Board, Cent alley Region MWne of 9 Regional Boards, each part <br /> continued from page 6 <br /> Proposed Plan—The public participation requirement of Superfund Amendments and Reauthorization Act <br /> CERCLA that summarizes the preferred cleanup strategy,t (SARA)—See CERCLA. <br /> rationale for the preference,alternatives considered,an ny <br /> proposed waivers to cleanup standards. Soil Vapor Extraction (SVE)—A technique used to reduce <br /> contaminant concentrations in the soils above the water table.Wells <br /> Record of Decision (ROD)—A public docu ent are drilled into the contaminated soil,and contaminated gas(or <br /> describing the cleanup altemative(s)that will b mplemented vapor) is drawn out using vacuum pressure.The extracted vapor is <br /> at a CERCLA site.The ROD is based on infor ion and treated efore being released into the atmos here. <br /> technical analyses generated during the RI and incorporates to remove contaminants <br /> pu iiy concer — <br /> Califomia , Central Valley Region <br /> egrona a er ua r y Cont Board Trichloroethene (TCE, trichloroethylene)— <br /> (RWQCB)— Astable,colorless liquid VOC with a sweet odor and low boiling <br /> e#iee of the California Water Quality Control Board.The point,that readily evaporates.TCE has had many common uses, <br /> RWQCB is a supporting agency for DDJC-Sharpe environmental such as a general solvent,a degreaser in dry cleaning,and in the <br /> restoration efforts. manufacture of pharmaceuticals. <br /> Remedial Action/Remedial Action Objective United States Environmental Protection Agency <br /> (RAO) —An action taken to stop or substantially reduce a (EPA)—Federal agency charged with implementing CERCLA/SARA <br /> release, or threat of release,of hazardous substances that are and otherfederal environmental regulations. <br /> not of immediate threat to human health orthe environment. <br /> See cleanup. Vadose Zone Modeling—A mathematical model <br /> used to predict the potential of contamination to migrate <br /> Remedial Investigation/Feasibility Study downwardo groundwater. <br /> (RI/FS)—A two-part study of a hazardous waste site I through soil and <br /> that supports the selection of a remedial action for the site. Volatile Organic Cor — <br /> The RI identifies the type and extent of contamination.The Organic compounds (for example, solvents)that vaporize readily at <br /> FS identifies and evaluates alternatives for addressing site room temperature. <br /> contamination based on the results of the RI. <br /> Water Table—The depth at which enh water exists between <br /> Remedial/Remediation—An action that will soil particles that the soil is fully saturated. <br /> rehabilitate contaminated media (such as soil)to the levels <br /> defined in a decision document,such as a ROD. such as TCE <br /> Response Action— e cleanup <br /> or <br /> on <br /> Response Co ple Plan (RCP)—The Response <br /> Completion PI (RCP)reviews the selected remedies for <br /> groundwater soil at BBl6-Sherpa site and formulates <br /> appropriate approaches to bnNthe response action to <br /> completion. a <br /> Risk Assessment—The qualitative and quantitative <br /> evaluation performed as part of the remedial investigation in <br /> an effort to define the potential risk posed to public health and <br /> the environment. <br /> 7 <br />