Definitions, Abbreviations, and Acronyms

9.1 DEFINITIONS...... 1 9.2 ABBREVIATIONS AND ACRONYMS...... 69 \\\\\\\\ \\\\\\\\ \\\\\\\\ \\\\\\\\ \\\\\\\\ \\\\\\\\ \\\\\\\\ 9.1 \\\\\\\\ \\\\\\\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ Definitions \\\\\\\\

above grade– The location of a structure or transit guideway aquitard– A material of low permeability that greatly slows above the surface of the ground (also known as elevated or the movement of groundwater. aerial). at grade– The location of a structure or transit guideway at the acre– A unit of measurement of area equivalent to 43,560 same level as the ground surface. square feet. ballast– Coarse gravel or crushed rock laid to form a bed for aerial guideway– Generally a longer bridge structure that roads or railroads. is located above existing grade to cross over a wide road or ballasted track– A track in which the rails are fastened to wood, multiple railroad. concrete, or steel cross ties that are embedded in ballast. alight– To get down, as from a vehicle; dismount. bridge– a structure between abutments that spans a physical alignment– The horizontal and vertical ground plan of a obstacle such as a road, river, or railroad tracks. roadway, railroad, transit route, or other facility. British thermal unit (BTU)– A unit of heat energy defined alluvium– Deposits resulting from the operations of water as the amount of heat required to raise the temperature of one including floodplains, lakes, rivers, and fans at the foot of pound of water by one degree Fahrenheit. One Btu equals mountain slopes. approximately 778.169 foot-pounds, 1.055 056 kilojoules or 0.293 071 watt hour. AM Peak– The morning commute period, about two hours, in which the greatest movement of passengers occurs, generally shelter– A structure constructed near a to from home to work; the portion of the morning service period provide seating and protection from the weather for the where the greatest level of ridership is experienced and service convenience of waiting passengers. provided. bus stop– A curbside place where passengers board or alight Americans with Disabilities Act of 1990 (ADA)– The transit. law passed by Congress in 1990, which makes it illegal to bus turnout– Cutout in the roadside to permit a transit vehicle discriminate against people with disabilities in employment, to dwell at a curb. services provided by state and local governments, public and private transportation, public accommodations, and busway– A roadway reserved for only. It may be a telecommunications. grade separated or controlled access roadway. Also known as “.” AMTRAK (National Passenger Corporation)– A quasi- public corporation created by the federal Rail Passenger CAL3QHC– Microcomputer based model used to predict CO Service Act of 1970 to improve and develop intercity passenger concentrations from motor vehicles at roadway intersections rail service throughout the United States. California Environmental Quality Act (CEQA)– Modeled aquifer– A permeable region of rock or soil through which after the National Environmental Policy Act, this California groundwater can move. state law encourages the protection of the environment through policies and procedural requirements.

DEFINITIONS, ABBREVIATIONS, AND ACRONYMS—DEFINTIONS /  candidate species– Any species of fish, wildlife, or plant activities of such an individual; a record of such an impairment; that has been determined to be a candidate for listing under or being regarded as having such an impairment. Section 4 of the Endangered Species Act of 1973 (amended). discretionary– Subject to the discretion of legislators or an capital– Long-term assets, such as property, buildings, roads, administrator. The federal Section 5309 New Starts Program is rail lines, and vehicles. an example of a discretionary program. capital costs– Costs of long-term assets of a public transit electromagnetic field (EMF)– electromagnetic fields system such as property, buildings, vehicles, etc. associated with electromagnetic radiation. Capital Improvement Program(CIP)– The list of capital electromagnetic interference (EMI)– Electromagnetic projects for a five to seven year programming period. interference may include the interruption, obstruction, or other degradation in the effective performance of electronic Capital Project– Construction and/or procurement of district systems or equipment. assets, such as transit centers, transit vehicles, and track. EMFAC2002– USEPA approved emissions model to be used Central Business District (CBD)– An area of a city that in California. contains the greatest concentration of commercial activity, the “downtown.” The traditional downtown retail, trade, and express service– Express service is deployed in one of two commercial area of a city or an area of very high land general configurations: 1) A service generally connecting evaluation, traffic flow, and concentration of retail business residential areas and activity centers via a high speed, non- offices, theaters, hotels, and services. stop connection, e.g., a freeway, or exclusive right-of-way such as a dedicated busway with limited stops at each end – Long-haul rail passenger service operating for collection and distribution. Residential collection can between metropolitan and suburban areas, whether within be exclusively or partially undertaken using park-and-ride or across the geographical boundaries of a state, usually facilities. 2) Service operated non-stop over a portion of an characterized by reduced for multiple rides, and arterial in conjunction with other local services. The need for commutation tickets for regular, recurring riders. Also known such service arises where passenger demand between points as “” or “suburban rail.” on a corridor is high enough to separate demand and support conceptual engineering–A conceptual design of a project, dedicated express trips. including any alternatives or design options, at a feasibility Federal Transit Administration (FTA)– A part of the United level of engineering. States Department of Transportation that administers the consist– The cars of a train. federal program of financial assistance to public transit. corridor– A broad geographical band that follows a general fill– Earth used to create embankments or to raise low-lying directional flow or connects major sources of trips. Itmay areas in order to bring them to grade. contain a number of streets and highways and many transit final engineering– The detailed design and production of lines and routes. plans and specifications for project construction. crossover– A pair of switches that connects two parallel rail Final Environmental Impact Statement (FEIR)– A report tracks, allowing a train on one track to cross over to the other. that responds to comments received on the Draft EIR, identifies When two crossovers are present in opposite directions, in and analyzes environmental effects of a preferred project the shape of an “X,” the four-switch configuration is called a alternative in accordance with California Environmental double crossover. Quality Act. cultural resources– Archaeological and historic resources fixed guideway– Any public transportation facility utilizing that could be affected by a given project. Cultural resources and occupying a separate right-of-way or rails for the exclusive include buildings, sites, districts, structures, or objects having use of public transportation service, including, but not limited historical, architectural, archaeological, cultural, or scientific to, fixed rail, automated guideway transit, and exclusive importance. facilities for buses and other high-occupancy vehicles; and cumulative impact– The impact on the environment that also means a public transportation facility using a fixed results from the incremental impact of the action when added catenary system and right-of-way useable by other forms of to other past, present, and reasonably foreseeable future transportation. actions. floodplain– The part of the ground surface inundated with dB– Decibel. Logarithmic scale measuring the intensity of water on a recurring basis, usually associated with the 1 sound (the sound pressure level). percent recurrence interval (100-year) flow. dBA– Unit of sound level adjusted by frequency weightings frequency– The amount of time scheduled between to correspond to human hearing response. Referred to as “A- consecutive buses or trains on a given route segment; in weighted” decibel. other words, how often the bus or train comes (also known as ). disabled– With respect to an individual, a physical or mental impairment that substantially limits one or more of the major life g– horizontal ground acceleration.

SILICON VALLEY CORRIDOR DRAFT SEIR /  grade separated– A crossing of two forms of transportation Ln– The sound level exceeded “n” percent of the time. paths (e.g., tracks and a highway) at different levels to level of service (LOS)– The operating level of an intersection permit unconstrained operation. or roadway segment can be described using the term Level gram– Unit of measurement of mass (metric system). of Service. Level of Service is a qualitative description of operation based on delay and maneuverability. It can range headway– The scheduled time interval between any tow from “A,” representing free flow conditions, to “F,” representing revenue vehicles operating in the same direction on a route. gridlock. Headways may be “load” driven, that is, developed on the basis of demand and loading standards or, “policy” based, i.e., light rail transit (LRT)– Lightweight passenger rail cars dictated by policy decisions such as service every 30 minutes operating singly (or in short, usually two-car trains) of fixed during the peak periods and every 60 minutes during the base rails in right-of-way that is not separated from other traffic period. for much of the way. Light rail vehicles are driven electrically with power being drawn from an overhead electric line via a hectare (ha)– A measure of area that equals 2.47 acres or trolley or a pantograph. Also known as “streetcar,” “tramway,” 10,000 square meters. or “trolley car.” high occupancy vehicle (HOV)– A “,” or vehicle liter– Unit of measurement of volume (metric system). occupied by two or more persons. local service– A type of operation that involves frequent stops high occupancy vehicle lane (HOV lane)– A system of and consequent low speeds, the purpose of which is to deliver exclusive lanes signed and striped for use by vehicles with and pick up transit passengers as close to their destinations or multiple occupants (two or more persons). HOV lanes are origins as possible. designed on roadways to reduce traffic congestion, improve safety, reduce fuel consumption, and improve air quality. locomotive wye– An arrangement of tracks in a triangular shape normally located at the end of a mainline track or railroad high rail vehicle– A road vehicle that has been adapted to be yard. Using switches, a wye enables trains to turn around. able to run on both rails and roads. m– Meter. intermodal– Those issues or activities that involve or affect one mode of transportation, including transportation mainline track– The main track on a railroad, often large connections, choices, cooperation, and coordination of railroads have several mainlines. various modes. Also known as “multimodal.” maintenance-of-way track– A siding track used expressly intermodal facility– A building or site specifically designed for storage of track maintenance equipment or materials. to accommodate the meeting of two or more transit modes of mass transit– Another name for “Mass Transportation” or . “Public Transportation.” Joint Powers Authority– A group of representatives from mass transportation– Transportation by bus, or rail, or other several entities that have agreed to undertake a joint operation conveyance, either publicly or privately owned, providing venture. In the Santa Clara region, the Capitol Corridor Joint to the public general or special service (but not including Powers Authority administers the Capitol Corridor Intercity school buses or charter or sightseeing service) on a regular Rail service between Sacramento and San Jose. and continuing basis. Also known as “mass transit,” “public kilo– Prefix used in metric measurement, 1000. transportation,” and “transit.” kilojoule (kJ)– A common metric unit of work or energy, Metropolitan Transportation Commission (MTC)– The comparable to the British thermal unit (Btu). One kilojoule regional transportation planning agency covering the nine- equals 9.47817120313 x10-4 BTU, 2.7778 x10-4 watt hour, or county San Francisco Bay Area. MTC is responsible for 0.737562149277 foot-pound force. reviewing applications and distributing federal and state transportation grants and allocation of certain transportation kiss-and-ride facility– A part of a facility where monies. commuters who are passengers in non-transit vehicles are dropped off to board a public transportation vehicle. milliGauss (Mg)– A unit of magnetic flux density equal to 0.001 Gauss or 0.1 microTesla. The magnetic fields generated Ldn– Day-Night Equivalent Sound Level. The A-weighted by power lines and electronic equipment are often measured Leq for a 24-hour period with a 10 dB penalty imposed on in milliGauss. noise that occurs during nighttime hours. mitigation– Measures taken to minimize adverse environ- lead track– A track that branches off from a mainline track for mental impacts. Mitigation could reduce the magnitude and access to a car storage yard or maintenance facility. extent of an impact from a level of significance to a level of Leq– Equivalent Sound Level. The steady sound level that insignificance. represents the same sound energy as varying sound levels mph– miles per hour. over a specific time period (typically 1 hour or 24 hours). mT– microTesla - A common unit of magnetic field intensity Lmax– The maximum level during a single noise event. equal to 10-6 Tesla. The unit is widely used to measure the

DEFINITIONS, ABBREVIATIONS, AND ACRONYMS—DEFINTIONS /  strength of electromagnetic fields generated by power lines or tracks and connected at both ends to both tracks with cross- electronic equipment. By comparison, the strength of the Earth’s overs, used for temporary storage of trains. own magnetic field at the surface is about 50 microTeslas. One PM – Particulate matter less than 10 microns in diameter. microTesla equals 0.01 Gauss. 10 (One micron is equal to one-millionth of a meter.) National Environmental Policy Act (NEPA)– The United PM – Particulate matter less than 2.5 microns in diameter; States’ basic national charter for protection of the environment. 2.5 considered to be fine particulate matter. (One micron is equal It establishes policy and sets goals and provides means for to one-millionth of a meter.) carrying out the policy. PPV– Peak particle velocity. The maximum instantaneous National Historic Preservation Act of 1966– The primary peak in the velocity of an object’s vibratory motion. The PPV federal law pertaining to protection of cultural resources. is used to define thresholds of potential building damage National Register of Historic Places– A federal listing from vibration. of historic resources protected under the National Historic preliminary engineering– Refinements to design developed Preservation Act of 1966. during conceptual engineering. Includes preliminary technical New Starts– Federal funding granted under Section 5309 studies to determine all relevant aspects of project location, (B) of the United States Code. These discretionary funds are any feasible alternatives or design options, and various costs made available for the construction of new fixed guideway and benefits before advancing the project into the detailed systems or extensions of existing fixed guideway systems. final design phase. nonpoint source– Pertains to the discharge of pollutants into program– (1) verb, to assign funds to a project; (2) assign waters or air where the pollutant sources come from an area funds to a project; (3) implementing transportation projects or rather than a single source that can be pinpointed. policies. off-peak– Non-rush periods of the day when travel activity is Retained Cut– The construction of earth-retaining structures generally lower and less transit service is scheduled. to support excavations where tracks are located below existing grade. operating cost– The total costs to operate and maintain a transit system including labor, fuel, maintenance, wages and Retained Fill– The construction of retaining walls to support salaries, employee benefits, taxes, etc. fill where tracks are raised above existing grade. operating expense– Monies paid in salaries and wages, revenue– Receipts derived from or for the operation of transit settlement of claims, maintenance of equipment and buildings, service including farebox revenue, revenue from other com- and rentals of equipment and facilities. mercial sources, and operating assistance from governments. Farebox revenue includes all , transfer charges, and zone ozone– A major component of photochemical smog, charges paid by transit passengers. which is formed in the atmosphere by the chemical reaction between nitrogen dioxide and organic gases in the presence revenue service– When a revenue vehicle is in operation of sunlight. Excessive levels of ozone can cause eye irritation, over a route and is available to the public for . reduced visibility, vegetation damage, and aggravation of right-of-way (ROW)– The land over which a public road or respiratory conditions. The biggest source of these gases is rail line is built. An exclusive right-of-way is a road, lane, or the automobile. other right-of-way designated exclusively for a specific pur- park-and-ride– A parking area intended for transit riders pose or for a particular group of users, such as light rail vehicles who arrive at transit stations by car. or buses or transportation facilities. park-and-ride facility– A parking garage and/or pavement root-mean-square amplitude (RMS)– The average energy used for parking passengers’ automobiles, either free or for of vibration measured over a short time interval, usually a fee, while they use transit agency facilities. Park-and-ride one second. RMS vibration velocity is considered the best facilities are generally established as collector sites for rail or available measure of potential human annoyance from bus service. Park-and-ride facilities may also serve as collector ground-borne vibration. sites for and and as transit centers. route– A specified path taken by a transit vehicle usually passenger miles– A measure of service utilization that designated by a number or a name, along which passengers represents the cumulative sum of the distances ridden by each are picked up or discharged. passenger. It is normally calculated by summing the passenger SCREEN3– Gaussian plume model used to provide max- load multiplied by the distance between individual bus stops. imum ground-level pollution concentrations for point, area, For example, ten passengers riding in a transit vehicle for 2 flare, and volume sources. miles equals 20 passenger miles. Section 106– Section 106 of the National Historic Preservation peak hour/peak period– The period with the highest Act of 1966. ridership during the entire service day, generally referring to either the peak hour or peak several hours (peak period). shoo-fly– A temporary track that is constructed to allow trains to continue to operate through a construction zone. pocket track– A third track located between two mainline

SILICON VALLEY RAPID TRANSIT CORRIDOR DRAFT SEIR /  siding track– A track adjacent to a mainline track used for turnout– A split in the track used to switch a train between various purposes such as the storage of trains. two different tracks. spur track– A short, dead-ended track that diverges off a U.S. Fish and Wildlife Service (USFWS)– The federal mainline track and ends at (serves) a business. agency that administers the federal Endangered Species Act and is involved in protection of fish and wildlife habitat State Implementation Plan (SIP)– A plan for attaining including wetland areas. national ambient air quality standards required by the Clean Air Act. vehicle hours– The hours a vehicle while in revenue service (vehicle revenue hours) plus deadhead hours. For rail STA– Station or stationing. A precise point from which vehicles, vehicle hours refer to passenger car hours. Vehicle measurements in surveying are made. hours exclude hours for charter services, school bus service, station– A public transportation passenger facility. operating training, and maintenance testing. subballast– A finer grained granular material that provides vehicle miles– The miles a vehicle travels while in revenue additional support under the ballast. service (vehicle revenue miles) plus deadhead miles. For rail vehicles, vehicle miles refer to passenger car miles. Vehicle tail track– A track that extends beyond the end of a terminal miles exclude miles for charter services, school bus service, station or storage yard (located at the end of a mainline), used operator training, and maintenance testing. for storing cars or switching trains between tracks for a return trip. watershed– That part of the earth’s surface from which storm water runoff flows to a single point. transfer– The change from one transit vehicle to another. wetlands– According to the U.S. Army Corps of Engineers, transit center– A fixed location where passengers transfer wetlands are areas that are inundated or saturated by surface from one route or vehicle to another that has significant water or ground water at a frequency and duration sufficient to infrastructure, such as a waiting room, benches, restrooms, support, under normal conditions, a prevalence of vegetation sales outlet, ticket or pass vending machines, and/or other typically adapted for life in saturated soil conditions. Wetlands services. generally include swamps, marshes, and similar areas and are transit corridor– A broad geographic band that follows a subject to protection under Executive Order 11990 and Section general route alignment such as a roadway of rail right-of- 404 of the federal Clean Water Act. way and includes a service area within that band that would be wye– Three tracks forming a triangle used to turn trains accessible to the transit system. around. trip– The one-way operation of a revenue vehicle between yard– An area in a system used for maintenance, storing, or two terminal points on a route. Trips generally noted as in- holding trains. bound, outbound, eastbound, westbound, etc. to identify directionality when being discussed or printed.

DEFINITIONS, ABBREVIATIONS, AND ACRONYMS—DEFINTIONS /  \\\\\\\\ \\\\\\\\ \\\\\\\\ \\\\\\\\ \\\\\\\\ \\\\\\\\ \\\\\\\\ 9.2 \\\\\\\\ \\\\\\\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ABBREVIATIONS \\\\\\\\ AND ACRONYMS

µg/L ACFCWCD APM micrograms per liter Alameda County Flood Control and Automated Water Conservation District µg/m3 APN micrograms per cubic meter ACGIH Assessor’s Parcel Number American Conference of µin APTA Governmental Industrial Hygienists micro-inch American Public Transportation ACHP Association µT Advisory Council on Historic microTesla ASSR Preservation Archaeological Survey and Sensitivity a.m. ACOE Report ante meridiem (before noon) Army Corps of Engineers AST AATC ACPWA aboveground storage tank Advanced Automatic Train Control Alameda County Public Works Agency ATSDR AB1X ACSD Agency for Toxic Substances and California Assembly Bill 1X Alameda County Sewer District Disease Registry ABAG ACTA BA Association of Bay Area Governments Alameda County Transit Authority Biological Assessment AC ACTIA BAAQMD alternating current Alameda County Transportation Bay Area Air Quality Management AC Transit Improvement Agency District Alameda - Contra Costa ACWD BART ACCMA Alameda County Water District San Francisco Bay Area Rapid Transit Alameda County Congestion ADA BEIs Management Agency Americans with Disabilities Act biological exposure indices ACCWP ANSI BMP Alameda Countywide Clean Water American National Standards Institute Best Management Practices Program APE BO ACE Area of Potential Effect Biological Opinion Altamont Commuter Express

SILICON VALLEY RAPID TRANSIT CORRIDOR DRAFT SEIR /  BPA CEC CONSENT Bonneville Power Administration California Energy Commission Superfund Consent Decrees List BRT CEMOF CORRACTS Caltrain Equipment Maintenance and Corrective Action Sites Operations Facility BTEX CPUC benzene, toluene, ethylbenzene, and CEQ California Public Utilities Commission xylenes Federal Council on Environmental CRHR Quality BTU California Register of Historic Places British Thermal Unit CEQA CRSB California Environmental Quality Act BWRTR Coast Range-Sierran Block Biological and Wetland Resources CERCLIS CRTP Technical Report Comprehensive Environmental Cultural Resources Treatment Plan Response Compensation Information CA SLIC CUBC Spills, Leaks, Investigation and Cleanup CERCLIS-NFRAP California Uniform Building Code Cost Recovery List CERCLIS - No Further Remedial Action Planned CWA CAA Federal Clean Water Act Federal Clean Air Act CESA California Endangered Species Act CWG CAAQS Community Working Group California Ambient Air Quality CFR Standards Code of Federal Regulations CY cubic yards CAFE cfs Corporate Average Fuel Economy cubic feet per second DC direct current Cal EPA CGP dBA California Environmental Protection Construction General Permit a weighted sound level Agency CHMIRS DHS Cal-ISO California Hazardous Material Incident Department of Heath and Services California Independent System Reporting System Operator DMM CHP deep mixing method CALTRANS California Highway Patrol California Department of DPR CHRIS Transportation Department of Parks and Recreation California Historic Resources CAP Information System DTSC Bay Area Clean Air Plan Department of Toxic Substances CIDH Control Capitols Cast In Drilled Hole Capitol Corridor Intercity Rail Service EDR CMGP Environmental Data Resources CARB City of Milpitas General Plan California Air Resources Board EIR CMP Environmental Impact Report CBC Congestion Management Program California Building Code EIS CNDDB Environmental Impact Statement CBD California Natural Diversity Database Central Business District EMF CNG electromagnetic field CCAA compresses natural gas California Clean Air Act EMI CNPPA electromagnetic interference CCR California Native Plant Protection Act California Code of Regulations EO CNPS Federal Executive Order CCTV California Native Plant Society closed-circuit television EPA CO United States Environmental Protection CDFG carbon monoxide Agency California Department of Fish CO and Game 2 EPB carbon dioxide earth pressure balance

DEFINITIONS, ABBREVIATIONS, AND ACRONYMS—ABBREVIATIONS, AND ACRONYMS /  EPCRA HAZNET ISTEA Emergency Planning and Community Hazardous Waste Information System Intermodal Surface Transportation Right-to-Know Act Efficiency Act HAZWOPER ERNS Hazardous Waste Operations and ITS Emergency Response Notification Emergency Response Intelligent Transportation System System HCM JPB ESA 1994 Highway Capacity Manual Peninsula Corridor Joint Powers Board Environmentally Sensitive Area HCP km ESU Habitat Conservation Plan kilometer Evolutionary Significant Units Hg KNR mercury FARES kiss-and-ride First American Real Estate Solutions HIP kph Housing Implementation Program FEIR kilometers per hour Final Environmental Impact Report HMIRS kV Hazardous Materials Spill Incidents FEMA kilovolt Federal Emergency Management HOV kW Agency high occupancy vehicle kilowatt FGP HP Pavilion kWh Fremont General Plan Hewlett Packard Pavilion of San Jose kilowatt hours FHWA HPSR L Federal Highway Administration Historic Property Survey Report 3 Level 3 Communications, Inc. FINDS HRER LAVTA Facility Index System Historic Resource Evaluation Report Livermore - Amador Valley Transit FIRM HUD Authority Flood Insurance Rate Map U.S. Department of Housing and Lbs/in Urban Development FMC pounds per inch Food Machinery Corporation HVAC Ldn heating, ventilation, and air FRR day-night equivalent sound level conditioning LOC Hz ft Letter of Concurrence hertz feet LOS I-205 FTA Level of Service Interstate 205 Federal Transit Administration LPA I-280 FY Locally Preferred Alternative Interstate 280 fiscal year LQG I-5 GHz large quantity generator Interstate 5 gigahertz LRT I-580 GBN light tail transit Interstate 580 ground bourne noise LUST I-680 GIS leaking underground storage tank Interstate 680 Geographic Information System MAX I-680 WS GW Modesto Area Express Busway connector from I-680 to Warm gigawatt Springs (Baseline Alternative) MBTA GWh Migratory Bird Treaty Act I-880 gigawatt-hours Interstate 880 MCE HABS maximum credible earthquake ICG Historic American Buildings Survey ICG Communications, Inc. MDPW HAER Milpitas Department of Public Works ICNIRP Historic American Engineering Record International Commission on Non- MFS Ionizing Radiation Protection MFS Worldcom

SILICON VALLEY RAPID TRANSIT CORRIDOR DRAFT SEIR /  mG NFPA PAH milliGauss National Fire Protection Association polynuclear aromatic hydrocarbons PBT mG/kg NHPA persistent, bioaccumulative, and toxic milliGauss per kilogram National Historic Preservation Act compounds MIS/AA NO 2 PCB Major Investment Study/Alternatives nitrogen dioxide polychlorinated-biphenyls Analysis NOAA Fisheries PCJPB M National Oceanic and Atmospheric L Peninsula Corridor Joint Powers Board local magnitude Administration Fisheries Service PDT MLTS NOI Project Development Team Materials Licensing Tracking System Notice of Intent PG&E MMSP NOP Pacific Gas & Electric Milpitas Midtown Specific Plan Notice of Preparation PM MOA NO 10 x particulate matter less than 10 microns Memorandum of Agreement nitrogen oxides in diameter MOS NPDES PM Minimum Operating Segment National Pollutant Discharge 2.5 particulate matter less than 2.5 microns Elimination System MOU in diameter (fine particulate matter) Memorandum of Understanding NPL PNR National Priority List mpg park-and-ride miles per gallon NPS POST National Parks Service mph Peace Officer Standards and Training miles per hour NRCS ppd Natural Resource Conservation Service MPO pounds per day Metropolitan Planning Organization NRHP ppm National Register of Historic Properties MRI parts per million Magnetic Resonance Imaging NUMMI PRC New United Motors Manufacturing MSE Public Resources Code Incorporated mechanically stabilized earth PSR NWI MTBE Project Study Report National Wetland Inventory Maps methyl tertiary-butyl ether RAATS NWIC-CHRIS MTC RCRA Administrative Action Tracking Northwest Information Center of Metropolitan Transportation System the California Historic Resources Commission Information System RCRA MW Resource Conservation and Recovery NWP moment magnitude Act Nationwide Permit MW RIP O&M megawatt Regional Improvement Program operation and maintenance MWh ROD OHP megawatt-hour Record of Decision Office of Historical Preservation NA ROG OSHA not applicable reactive organic gases Occupational Safety and Health NAAQS Administration ROW National Ambient Air Quality right-of-way p.m. Standards post meridiem (after noon) RSPA NAVD Research and Special Programs PAB North Atlantic Vertical Datum Administration Policy Advisory Board NEPA RTIP PADS National Environmental Policy Act Regional Transportation Improvement Polychlorinated Biphenyls Activity Program Database System

DEFINITIONS, ABBREVIATIONS, AND ACRONYMS—ABBREVIATIONS, AND ACRONYMS /  RTP SNI TAC San Francisco Bay Area Regional Strong Neighborhood Initiative Technical Advisory Committee Transportation Plan SO2 TAC RWQCB sulfur dioxide Toxic Air Contaminant Regional Water Quality Control Board South Bay TACP SAA South San Francisco Bay Area Santa Clara Transit Area Concept Plan Streambed Alteration Agreement SOX TBM SARA sulfur oxides tunnel boring machine Superfund Amendments and SPRR TCM Reauthorization Act Southern Pacific Railroad Transportation Control Measure SBC SQG TCRP SBC Communications, Inc. small quantity generator Transportation Congestion Relief SCADA Program SR 132 Supervisory Control and Data State Route 132 TDA Acquisition System State Transportation Development Act SR 152 SCCGP State Route 152 TIA Santa Clara County General Plan Transportation Impact Analysis SR 156 SCDPW State Route 156 TIP Santa Clara Department of Public Transportation Improvement Program Works SR 17 State Route 17 TLC SCGP Transportation for Livable Santa Clara City General Plan SR 237 Communities State Route 237 SCSD TLV Santa Clara Sewer District SR 25 threshold limit value State Route 25 SCVURPPP TMDL Santa Clara Valley Urban Runoff SR 84 total maximum daily load Pollution Prevention Program State Route 84 TOC SCVWD SR 85 total organic compound Santa Clara Valley Water District State Route 85 TOD SFO SR 87 transit-oriented development San Francisco International State Route 87 TPH SFWD STAP total petroleum hydrocarbons San Francisco Water Department State Transit Assistance Program TPSS SHPO STIP traction power substation State Historic Preservation Office or State Transportation Improvement Officer Program TRIS Toxic Chemical Release Inventory SIP STP System State Implementation Plan State Transportation Program TSCA SJDPW SVP Toxic Substances Control Act San Jose Department of Public Works Silicon Valley Power TSD SJGP SVRTC treatment, storage, and disposal San Jose General Plan Silicon Valley Rapid Transit Corridor US SJIA SWLF United States Norman Y. Mineta San Jose solid waste landfills or transfer stations UPRR International Airport SWPPP Union Pacific Railroad SJSU Storm Water Pollution Prevention Plan US 101 San Jose State University SWQCB United States Highway 101 SMART State Water Quality Control Board USD Stockton Metropolitan Area Rapid SWRCB Union Sanitary District Transit State Water Resources Control Board

SILICON VALLEY RAPID TRANSIT CORRIDOR DRAFT SEIR / 10 USDOE VdB W United States Department of Energy Vibration velocity in terms of decibels watts USDOT VdB, µin/sec WAPA United States Department of VdB relative to one micro-inch per Western Area Power Administration Transportation second WDRs USEPA VHT Waste Discharge Requirements United States Environmental Protection vehicle hours of travel WGCEP Agency VMT Working Group on California USFWS vehicle miles traveled Earthquake Probabilities United States Fish and Wildlife Service VOC WGNCEP USGS volatile organic compound Working Group on Northern California United States Geological Survey Earthquake Potential vph UST vehicles per hour WRCB underground storage tank State Water Resources Control Board vphpl v vehicles per hour per lane volt VTA V/C Santa Clara Valley Transportation volume-to-capacity Authority v/m VTP 2020 volts per meter Valley Transportation Plan 2020

DEFINITIONS, ABBREVIATIONS, AND ACRONYMS—ABBREVIATIONS, AND ACRONYMS / 11