Shortened versions of terms and titles most used by TCEQ staff.
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Numbers
303[d] Section of Clean Water Act that includes impaired water bodies in category 5 305[b] Section of the Clean Water Act that calls for a biennial assessment of surface water Quality in Texas 40 CFR 60 Title 40, Code of Federal Regulations, Part 60
Symbols
°C temperature degrees Celsius °F temperature degrees Fahrenheit °K temperature degrees Kelvin
A
AA atomic absorption AAS atomic absorption spectrometry AASHTO American Association of State Highway and Transportation Officials AC alternating current ACC annual compliance certification ACFM actual cubic feet per minute ACGIH® American Conference of Governmental Industrial Hygienists ACI air–curtain incinerator or animal–carcass incinerator ACIN abatement control identification number ACPS application compliance plan and schedule ACT alternative control technique ADA Americans with Disabilities Act ADMT Air Dispersion Modeling Team ADR Alternative Dispute Resolution or alternate designated representative ADSO additional-duty safety officer ADT average daily traffic AEGL acute exposure guidelines levels AER allowable emission rate AERCO Area Emission Reduction Credit Organization AEMR applicant emission unit monitoring requirements AFJ agreed final judgment AFR air-fuel ratio or annual financial report AIRPR Air Policy and Regulations AIRS Aerometric Information Retrieval System ALAPCO Association of Local Air Pollution Control Officials ALPM actual liters per minute AMCV air monitoring comparison value AMOC alternate methods of control AOI area of impact AOL alternate opacity limit AOR alternate opacity request AOS alternative operating scenario AP-42 compilation of air pollutant emission factors APA Administrative Procedures Act APD Air Permits Division API American Petroleum Institute APIRT Air Permits Initial Review Team APO Aggregate Production Operations APTRA Administrative Procedures and Texas Register Act APWL Air Pollutant Watch List AQ Air Quality AQAC Air Quality Advisory Committee AQCR air quality control region AQMP Air Quality Modeling Procedures AQP Air Quality Planning AQP&A Air Quality Planning and Assessment ARACT alternate RACT ARD acid rain data AREACIRC co-located circular area source ARP Acid Rain Program ARPA Agricultural Resources Protection Authority As arsenic ASA air stagnation advisory ASAE American Society of Agricultural Engineers ASC Administrative Services Coordinator ASDWA Association of State Drinking Water Administrators ASR Annual Summary Report AST aboveground storage tank ASTM American Society for Testing and Materials ASTSWMO Association of State and Territorial Solid Waste Management Officials ASVS Aboveground Storage Vessel Safety Program ATG Automatic Tank Gauge ATRV air toxics response vehicle ATSDR Agency for Toxic Substances and Disease Registry Auto-GC Automated Gas Chromatograph AVO average vehicle occupancy AWMA Air and Waste Management Association AWS Annual Waste Summary
B
BACM best available control measures BACT best available control technology BAE baseline actual emissions BAQC Bureau of Air Quality Control [City of Houston] BAR Bureau of Automotive Repair BART Bay Area Rapid Transit [in San Francisco] BART Best Available Retrofit Technology bbl barrel bbl/day barrel[s] per day BCs boundary conditions BECC Border Environment Cooperation Commission BEG Bureau of Economic Geology [UT Austin] BER Background Evaluation Report or Ballast Evaluation Report BHP brake horsepower BIBI benthic index of biotic integrity BIF boilers and industrial furnaces BCM benchmark concentration BMCL benchmark concentration lower confidence limit BMD benchmark dose BMPs best management practices BMR benchmark response BPA Beaumont/Port Arthur BTEX benzene, toluene, ethyl benzene, and xylene Btu British thermal units Btu/scf British thermal units per standard cubic foot/feet
C
C centigrade C/C Combustion [and] Coatings [Section] C2H4O ethylene oxide C2H6 ethane C3H8 propane CAA Clean Air Act CAAA Clean Air Act Amendments CAFO concentrated animal-feeding operation CAIR Clean Air Interstate Rule CAIR2 Clean Air Interstate Rule; Phase 2 CAM compliance-assurance monitoring CAMR Clean Air Mercury Rule CAMS continuous-air monitoring station CAMx Comprehensive Air Model with Extensions CAP Capacity Assurance Plan or Compliance Advisory Panel [Small Business and Local Government Assistance] CAPCO Capital Area Council of Governments CARB California Air Resources Board CARE clean air responsibility enterprise committee CAS carbon adsorption system or chemical abstract service CASRN chemical abstract service registry number CATMN Community Air Toxics Monitoring Network CATOX catalytic oxidation unit CAUSE Citizens Allied and United for a Safe Environment CBBEP Coastal Bend Bays and Estuaries Program CB05 Carbon Bond Mechanism Version 05 CBIV Carbon Bond Mechanism Version IV cc cubic centimeter CC Corpus Christi CCEDS Consolidated Compliance and Enforcement Data System CCH contested case hearing CCIP Comprehensive Compliance Inspection Protocol CCMP Comprehensive Conservation and Management Plan CCN certificate of convenience and necessity CCO Chief Clerk’s Office CCS Citizens Convenience Station CDBGP Community Development Block Grant Program CDC Centers for Disease Control and Prevention CDS Compliance Data System CEIS Computerized Emissions Inventory System CEMS Continuous Emission Monitoring System CENRAP/RPO Central Region Air Program/Regional Planning Organization CERCLA Comprehensive Environmental Responsibility, Compensation and Liability Act cf/day cubic foot or feet per day CFC chlorofluorocarbon cfm cubic foot or feet per minute CFR Code of Federal Regulations CGA cylinder gas audit CH4 methane CID Commissioners Integrated Database CIN control equipment identification number CISWI commercial and industrial solid-waste incineration Cl2 chlorine CMA Chemical Manufacturers Association CMP [Texas] Coastal Management Plan CMSA consolidated metropolitan statistical area CN customer identification number CNG compressed natural gas CO carbon monoxide CO2 carbon dioxide COC chemicals of concern COG Council of Governments COH coefficient of haze COMM Commissioners COMS continuous opacity-monitoring system CONTOP continuous smelting-top blowing CORE control-operations review and evaluation COS carbonyl sulfide CPI consumer price index CPMS continuous parametric monitoring system CPA Texas Comptroller of Public Accounts CPP continuing planning process CR Central Registry CRM Customer Relations Management CRO certification by responsible official CRP Clean Rivers Program CRWR Center for Research and Water Resources [UT Austin] CS2 carbon disulfide CSI Common Sense Initiative CSR Center for Space Research [UT Austin] CSGWPP Comprehensive State Groundwater Protection Program CT cooling towers CTG Control Techniques Guidelines CWA Clean Water Act CWS commissioners’ work session CWCP Clean Water Certification Program
D
DAC debutanized aromatic concentrate DAR duly authorized representative DART Dallas Area Rapid Transit DC Dry Cleaners DE destruction efficiency DEA diethanolamine DERC discrete emission-reduction credit DFW Dallas/Fort Worth [Metroplex] DGA diglycolamine DIPA disopropylamine DIR Department of Information Resources DMRG Data Management Reference Guide DO dissolved oxygen DOC Department of Commerce DOD Department of Defense DOE Department of Energy DOJ Department of Justice DOPA Dairy Outreach Program Area DOT Department of Transportation DP Data Processing DPM digital panel meter DR designated representative DPS Department of Public Safety DRE destruction and removal efficiency dscf dry standard cubic foot or feet dscfm dry standard cubic foot or feet per minute dscm dry standard cubic meters DSD development support document DSHS Department of State Health Services DSS decision support system DV design value or designated value DVM digital voltmeter
E
EA environmental assessment EC electron capture ECO engineering-change order ECOS Environmental Council of the States ED [TCEQ] Executive Director EDF Environmental Defense Fund EDRC Episode Data Reporting Center EEOC Equal Employment Opportunity Commission EERs excess emission reports EERS Earth Electrical Resistivity Survey EF emissions factor EFR external floating roof tank EG emissions guidelines EGAS Economic Growth Analysis System EGF electric generating facility EGR exhaust-gas recirculation EGU electric generating unit EI emissions inventory EIQ Emissions Inventory Questionnaire EIS environmental impact statement EKMA empirical kinetic modeling approach ELD Environmental Law Division ELP El Paso Emax maximum [acceptable] emission [rate] EPA U. S. Environmental Protection Agency EPCCHD El Paso City-County Health District EPN emission point number EPS3 Emissions Processing System Version 3 E&QA Engineering and Quality Assurance ERC emission reduction credit ERG Eastern Research Group ERGO extended reports and graphic output EROS Earth Resources Observation System ESAD emission specifications for attainment demonstration ESL effects screening level ESP electrostatic precipitator ESR Enforcement System Review ETA-PBL ETA Weather Model Planetary Boundary Layer Numerical Algorithm ETBE ethyl tertiary-butyl ether ETI elapsed time indicator ETR employee trip reduction EU emission unit EXEC executive
F
FA Financial Administration FAA Federal Aviation Administration FAP flexible air permit FC fluorocarbon FCAA Federal Clean Air Act FCAAA Federal Clean Air Act Amendments FCCU fluid catalytic cracking unit FDP Final Draft Permit FDDA Four-Dimensional Data Assimilation FEC formal enforcement conference FEMA Federal Emergency Management Agency FGR flue-gas recirculation FHWA Federal Highway Administration FID flame ionization detector FIFRA Federal Insecticide, Fungicide, and Rodenticide Act FIN facility identification number FIP Federal Implementation Plan FIPS Federal Information Processing Standards FIT field-inspector training FLM Federal Land Manager FLSA Fair Labor Standards Act FMLER Flexible Membrane Liner Evaluation Report FMVCP Federal Motor Vehicle Control Program FOD Field Operations Division FONSI finding of no significant impact FOP federal operating permit FR Federal Register FSR financial status report or full-scale range ft foot or feet ft/sec foot or feet per second FTE full-time equivalent FTPS File Transfer Protocol Server
G
g gram[s] GACT generally achievable control technology gal gallon[s] gal/wk gallon[s] per week gal/yr gallon[s] per year GAQM guideline on air quality models GasFindIR GasFind infrared [camera] GBEP Galveston Bay Estuary Program GBF Galveston Bay Foundation GC gas chromatograph or gas chromatography GCCES Gulf Coast Community Exposure Study GCCS [municipal solid waste] gas collection and control system GC/ITD gas chromatography/ion trap detector GC/MS gas chromatography/mass spectrometry GCPCD Galveston County Pollution Control District GEOS-CHEM Goddard Earth Observing Systems Chemistry Model GFI ground-fault interrupter GHP Greater Houston Partnership GI General Information GIS geographic information system GLC ground-level concentration GLCmax maximum [predicted] ground-level concentration GLO General Land Office GloBEIS Global Biosphere Emissions and Interactions System GLS ground-level sampling GOP General Operating Permit gpm gallon[s] per minute GPS Global Positioning System GPSA Gas Processors Supplier Association GPT gas-phase titration gr/100scf grain[s] per 1000 standard cubic feet gr/dscf grain[s] per dry standard cubic foot GRTS Grant Reporting and Tracking System GWPC Groundwater Protection Committee, Texas
H
H2CO formaldehyde H2S hydrogen sulfide H2SO4 sulfuric acid HAN heavy aromatic naphtha HAP hazardous air pollutant HARC Houston Advanced Research Center HB house bill HBI Hilsenhoff biotic index HC hydrocarbon HCFC hydrochlorofluorocarbon HCl hydrochloric acid HCPCD Harris County Pollution Control Department HECT HRVOC Emissions Cap and Trade HEE health effects evaluation Hg mercury H-GAC Houston-Galveston Area Council HGACOG Houston-Galveston Area Council of Governments HGB Houston-Galveston-Brazoria HHV higher heating value Hi-Vol high-volume air sampler HMIW hospital, medical, and infectious waste HON Hazardous Organics NESHAPS HOV high-occupancy vehicle hp horsepower HQ hazard quotient HQI habitat quality index hr hour HR Human Resources HRGC high resolution gas chromatography HRM Houston Regional Monitoring Network HRMS high resolution mass spectrometry HRVOC highly reactive volatile organic compounds HRS hazard ranking system HSC Houston Ship Channel or Health and Safety Code HSDB hazard substances data bank HSWA Hazardous and Solid Waste Amendments [to RCRA] HUB Historically Underutilized Business HVLP high-volume, low-pressure HW hazardous waste HWIR Hazardous Waste Identification Rules
I
I&HW industrial and hazardous waste IARC International Agency for Cancer Research IBEP Integrated Border Environmental Plan IBI index of biotic integrity IBWC International Boundary and Water Commission IC Interstate Control or Ion Chromatography ICE internal combustion engine ICP inductively coupled plasma IDP Initial Draft Permit IDAC initial demonstration of analytical capabilities IDLH immediate danger to life and health IF intergovernmental funding IFR internal floating roof tank IHW Industrial and Hazardous Waste ILEV inherently low-emission vehicle I/M inspection/maintenance IMS Information Management System in H2O inches of water in Hg inches of mercury INE Insituto Nacional de Ecologiá Intx intersection IP inhalable particulate IPM Integrated Planning Model IR information resources or infrared IRIS integrated risk information system IS information systems ISC industrial source complex ISCLT industrial source complex, long-term < ISCST industrial source complex, short-term ISCST3 industrial source complex, short-term [model] ISO International Standards Organization ITD ion-trap detector
K
kg kilogram[s] km kilometer[s] KVs Vertical Exchange Coefficient
L
l liter[s] LACT lease automatic custody transfer LAER lowest achievable emission rate LAR Legislative Appropriation Request lb pound[s] lb/day pound[s] per day lb/hr pound[s] per hour lb/MMBtu pound[s] per million British thermal units LBB Legislative Budget Board LC liquid chromatograph[y] LCRA Lower Colorado River Authority LCTS Legislative Contact Tracking System LD Litigation Division LDAR leak detection and repairs [Requirements] LEV low-emission vehicle LFG Landfill Gas LHV low heating value LL load losses LNB low-nitrogen oxides [NOx] burner LNG liquefied natural gas LOAEL lowest observable adverse effects level LOE level of effort LOR liquid organic reactor LOV letter of violation LPG liquefied petroleum gas LPST leaking petroleum storage tank LT/D long ton per day LTO landing and takeoff LU/LC land-use/land-cover LUST leaking underground storage tank
M
m meter[s] M one thousand [Roman numeral] or one million m/sec meter[s] per second m3 cubic meter MACT maximum achievable control technology MAERT Maximum Allowable Emission Rate Table MBE minority business enterprise MCM million cubic meters MDEA methyl-diethanolamine MDERC mobile discrete emission-reduction credit MEA monoethanol amine MECA Mercury Emissions Control Act MECT Mass Emissions Cap and Trade MERA modeling and effects review applicability MERC mobile emission reduction credit MFM mass flowmeter mg milligram mg/g milligram[s] per gram Mg/yr megagram[s] per year mL millilambert[s] or milliliter[s] MM million [Roman numerals] MM5 Fifth Generation Meteorological Model MMBtu million British thermal units MMBtu/hr million British thermal units per hour MMCFD million cubic feet per day MMg million megagrams MNSR minor new source review MO Monitoring Operations MOA memorandum of agreement or mode of action MOSES Mothers Organized to Stop Environmental Sins MOU memorandum of understanding MPO metropolitan planning organization MPTER multiple-point Gaussian dispersion algorithm with terrain adjustment MRAP Medical Resources Advisory Panel MRL minimal risk level MS Mobile Source MSA Metropolitan Statistical Area MSD Marin Sanitation Device MSDS Material Safety Data Sheet MSS maintenance, startup, and shutdown MSW municipal solid waste MSWDF municipal solid-waste-disposal facility MSWLF municipal solid-waste landfill MSWRAC Municipal Solid Waste Reduction Advisory Committee MS/Z multispan/zero box MTO Motion to Overturn MTBE methyl tertiary-butyl ether MUD municipal utility district MVVD manual vent valve discharge MW megawatt MWRS Monthly Waste Receipt Summary
N
N2 nitrogen NA nonattainment NAA nonattainment area NAAQS National Ambient Air Quality Standards NAAS National Air Audit System NAD Bank North American Development Bank NADB National Allowance Database NADP National Atmospheric Deposition Program NAPD Notice of Application and Preliminary Decision NAICS North American Industry Classification System NAFTA North American Free Trade Agreement NAMS national air monitoring station NaOH sodium hydroxide NAORPM Notice of Application and Opportunity to Request a Public Meeting NAPAP National Acid Precipitation Assessment Program NAQTS national air quality trend station NAR nonattainment review NARMP National Acid Rain Monitoring Program NASA National Aeronautics and Space Administration NASN National Air Surveillance Network NCAMS noncontinuous air-monitoring station NCEP National Centers for Environmental Prediction NCP National Contingency Plan or non-criteria pollutant NCTCOG North Central Texas Council of Governments NDIR nondispersive infrared analyzer NEDS National Emissions Data System NEI National Emissions Inventory NEPA National Environmental Policy Act NEPPS National Environmental Performance Partnership System NESCAUM Northeast States for Coordinated Air Use Management NESHAP National Emission Standards for Hazardous Air Pollutants NGA National Governors Association NGL natural gas liquids NH3 ammonia NIOSH National Institute for Occupational Health and Safety NIST National Institute of Standards and Technology NMIM National Mobile Inventory Model NMOC nonmethane organic compound NMVOC nonmethane VOC NNSR nonattainment new source review NO2 nitrogen dioxide NOC Notice of Compliance or Notice of Construction NOAEL no observable adverse effects level NOD notice of deficiency NOE notice of enforcement NOI notice of intent NOx Nitrogen Oxides NOAA National Oceanic and Atmospheric Administration NONC Notice of Noncompilance NORI Notice of Receipt of Application and Intent to Obtain a Permit NORM naturally occurring radioactive material NOV Notice of Violation NOY Nitrogen Species NPDES National Pollutant Discharge Elimination System NPL National Priorities List NPS nonpoint source NRCS Natural Resource Conservation Service NRDA natural resource damage assessment NRR No Response Required NSPS New Source Performance Standards NSF National Science Foundation NSR new source review NSRP new source review permits NTC Notice of Technically Complete
O
O2 oxygen O3 Ozone OA Office of Air OAS Office of Administrative Services OBD on-board diagnostic OCE Office of Compliance and Enforcement OD outside diameter OGS oil and gas site OL Occupational licensing OLS Office of Legal Services OMB Office of Management and Budget ONRW Outstanding National Resource Waters OOW Office of Waste OPIC Office of Public Interest Council ORIS Office of Regulatory Information System OSFR Office of State and Federal Relations OSHA Occupational Safety and Health Administration OSSF on-site sewage facility or facilities OTA Office of Technology Assessment OW Office of Water
P
P2 Pollution Prevention PAA Permit Amendment Application PACE People Against a Contaminated Environment PAE projected actual emissions PAL plant-wide applicability limit PAMS photochemical air monitoring stations PAR Preliminary Administrative Review or Photosynthetically Active Solar Radiation Pb lead PBR permit by rule PCB polychlorinated biphenyl PCC Post Closure Care PCL protective concentration level PCP pollution-control project PCS permit-compliance system PCV positive crankcase ventilation PDS preliminary determination summary PE professional engineer PEL priority enforcement level or Priority Enforcement List [tires] PEMS predictive emission monitoring system PFAS per-and polyfluoroalkyl substances PFCs perfluoro PFD proposal for decision PG Partner Guidance PGMA priority groundwater-management area PHHVAS pesticide-head high-volume air sampler PIC Public Interest Counsel PID photoionization detector PIP Public Involvement Plan PIR Public Information Request PM particulate matter or periodic monitoring PM10 particulate matter 10 microns or less in diameter PM2.5 particulate matter 2.5 microns or less in diameter PMI preventive-maintenance instructions PMR pollutant mass rate PMSA Primary Metropolitan Statistical Area PN public notice PNV Published Notice Verification PNAP public-notice-authorization package POC products of combustion POD point of departure POHC principal organic hazardous constituent POTW publicly owned treatment works PPA Pollution Prevention Act ppb parts per billion ppbc parts per billion by carbon ppbv parts per billion by volume pphm parts per hundred million ppm parts per million ppmdv parts per million by dry volume ppmv parts per million by volume ppmvd parts per million by volume, dry ppt parts per trillion PROFEPA Procuradaria Federal para la Protección al Ambiente PRS Permitting and Registration Support PS primary standard PSCFv2 Potential Source Contribution Factor, version 2 PSD prevention of significant deterioration PSDB point source database PSI pollutant standard index or pounds per square inch psia pounds per square inch, absolute psig pounds per square inch, gauge PST petroleum storage tank PSTR petroleum storage tank remediation PTE potential to emit PTS permeation-tube system PVC polyvinyl chloride
Q
QA quality assurance QC quality control or Quality Council
R
R Region RA risk assessment or relative accuracy RAC Research Advisory Council RACM reasonably available control measure RACT reasonably available control technology RAGS risk assessment guidance for superfunds RAM Gaussian-plume multiple-source air quality algorithm RATA relative accuracy test audits RBEL risk-based exposure levels RBLC RACT/BACT/LAER clearinghouse RCRA Resource Conservation and Recovery Act RCRIS Resource Conservation Recovery Act Information System REMI Regional Economic Models, Inc. RENEW Resource Exchange Network for Eliminating Waste ReV reference toxicity factor-inhalation reference value RDR Release Determination Report RFC request for comments RfC reference concentration RfD reference dose RFP reasonable further progress or request for proposal RG Regulatory Guidance RHC reactive hydrocarbons RI/FS remedial investigation/feasibility study RICE reciprocating internal combustion engine RIM rule-interpretation memo RM reference method RN [regulated entity] reference number RO responsible official ROG reactive organic gas ROM regional oxidant model RP responsible party RPR Responsible Party Remediation RPRC Rule and Policy Review Committee RR Rule Registrations [Section] RRC Railroad Commission of Texas RRF Relative Response Factor RRT requirements reference table RS registered sanitarian RSD resultant standard deviation RTC response to comments RTP Regional Transportation Plan or Research Triangle Park RVCM residual vinyl chloride monomer RVD relief-valve discharge RVP Reid vapor pressure RWA receiving-water assessment RWCD residential wood-combustion devices
S
SAB Science Advisory Board SABCUTS San Antonio Bexar County Urban Transportation System SAMWG Standing Air Monitoring Work Group SAPEL Special Authorization Priority Enforcement List [tires] SARA Superfund Amendments and Reauthorization Act or San Antonio River Authority SAROAD storage and retrieval of aerometric data SAV site-assessment visit SBEA Small Business and Environmental Assistance SBAdv Small Business Advocate SBLGA Small Business Local Government Assistance SC Stationary Compactors SCAQMD South Coast Air Quality Management District [in California] SCC source category code or source classification code sccm standard cubic centimeters per minute scfm standard cubic feet per minute SCERP Southwest Consortium on Environmental Research and Planning scf standard cubic foot or feet scfh standard cubic foot or feet per hour SCL secondary constituent level scmd standard cubic meter per day SCR selective catalytic reduction SD standard deviation SDWA Safe Drinking Water Act SE standard exemption SEM scanning electron microscope SEMARNAT Secretaría de Medio Ambiente y Recursos Naturales [in Mexico] SEP Supplemental Environmental Projects SFA Stephen F. Austin State Office Building SFR State/Federal Report SFIREG State-FIFRA Issues Research and Evaluation Group SIC source identification code or Standard Industrial Classification SIL significant impact levels SIP State Implementation Plan SIS Source Investigation System SLAMS state and local air-monitoring station SLER soil-liner-evaluation report SLPM standard liters per minute SLGTR Sludge Transporters SLQCP Soil Liner Quality Control Plan SMC significant monitoring concentration SMP State Management Plan SMSA Standard Metropolitan Statistical Area SMSS scheduled maintenance, startup, or shutdown [activities] SNCR selective noncatalytic reduction SO2 sulfur dioxide SO4 sulfate SOB statement of basis SOCMI synthetic organic chemical manufacturing industry SOP Site Operating Plan or Standard Operating Procedures SOx oxides of sulfur SP standard permit SOS Texas Secretary of State SPCC spill-prevention control and countermeasures SPM special-purpose monitoring SPNSS standards of performance for new stationary sources SQL sample quantitation levels SRM standard reference material SRU sulfur recovery unit SS Support Services SSBO state small business ombudsman SSI size-selective inlet SST Sea Surface Temperature STAAPA State and Territorial Air Pollution Program Administrators STARS State of Texas Air Reporting System Std standard STEERS State of Texas Environmental Electronic Reporting System SUNSS Single-Use Non-CROMERR Submission System SVOC semi-volatile organic compound SWDA Solid Waste Disposal Act SWP Source Water Protection Program SWQM Surface Water Quality Monitoring SWQMIS Surface Water Quality Monitoring Information System
T
T&S transfer and storage TA Temporary Authorization TAB Texas Association of Business TAC Texas Administrative Code TAMIS Texas Air Monitoring Information System TAMU Texas Agricultural and Mechanical University TASN Texas Air Sampling Network TBA tertiary-butyl alcohol TBPC Texas Building and Procurement Commission TBT tributyltin TC total carbon TCAA Texas Clean Air Act TCC Texas Chemical Council TCLP toxicity characteristic leaching procedure TCM Texas Climatological Model or transportation control measures TCEQ Texas Commission on Environmental Quality TDoC Texas Department of Commerce TDF tire-derived fuel TDMS Temporary Debris Management Sites TEA triethanolamine TEM Texas Episodic Model TERP Texas Emissions Reduction Program TexAQS II Second Texas Air Quality Study [2006] TEXARC Texas Experiment in Augmenting Rainfall through Cloud Seeding TexReg Texas Register TGWPC Texas Groundwater Protection Committee THC total hydrocarbons THM trihalomethane THROX thermal heat-recovery oxidation unit THSC Texas Health and Safety Code TIP Transportation Improvement Program Title III Emergency Planning and Community Right-to-Know Act of 1986 TLAP Texas Lab Accreditation Program or Texas Land Application Permit TLC Texas Legislative Council TLV [health] threshold limit value TMDL total maximum daily load TOOS Temporarily Out of Service TMOGA Texas Midcontinent Oil and Gas Association TNMHC Total Non-Methane Hydrocarbon TNRCC Texas Natural Resource Conservation Commission [name changed to TCEQ in 2002] TNRIS Texas Natural Resources Information System TOC total organic carbon or total organic compounds TOP Texas Orthoimagery Program [DIR] tpd tons per day tph tons per hour TPHA Texas Public Health Association TPS Techncal Program Support [Section] tpy tons per year TPWD Texas Parks and Wildlife Department TQM total quality management TRACS Texas Regulatory Auditing and Compliance System TRB Transportation Research Board TRI Toxics Release Inventory TRIS Toxics Release Information System TRRP Texas Risk Reduction Program TRS total reduced sulfur TRV technical review TS transfer standard or [municipal solid waste] transfer station TSCA Toxic Substances Control Act TSL Texas State Library and Archives TSP total suspended particulate matter TSS total suspended solids TSSWCB Texas State Soil and Water Conservation Board TTC Texas Transportation Commission TTI Texas Transportation Institute tvp true vapor pressure TWA time weighted average TWC Texas Water Code TWDB Texas Water Development Board TxDOT Texas Department of Transportation TxLED Texas Low-Emission Diesel TxREG Texas Register
U
U/M upset and maintenance UA unit attribute[s] UAM urban airshed model UCR Utility Certification and Rate Design Program UF uncertainty factor UIC Underground Injection Control ULEV ultra-low-emission vehicle UMTA Urban Mass Transit Administration UO or UOR Used Oil Registration URF unit risk factor URL Uniform Reource Locator USAS Uniform Statewide Accounting System USC United States Code USDoT United States Department of Transportation USEPA United States Environmental Protection Agency USGS United States Geological Survey USOMB United States Office of Management and Budget USSCS United States Soil Conservation Service UST underground storage tank UT-CSR University of Texas Center for Space Research UTM universal transverse Mercator
V
V-B Vasquez-Beggs correlation equation VAC volts, alternating current VCP Voluntary Cleanup Program VCU venturi calibration unit VDC volts, direct current VIN vehicle identification number or vendor identification number VMT vehicle miles traveled VOC volatile organic compound VR vapor recovery VRO variable-resistance orifice VRU vapor recovery unit or system VTCS Vernon’s Texas Civil Statutes
W
WBE woman-owned business enterprise WCC Central Files Search Engine WCID Water Control and Improvement District WD wind direction WDP working draft permit WER water-effects ratio WGA Western Governors’ Association WHO World Health Organization WHP Wellhead Protection Program WLE waste-load evaluation WMP Waste Management Plan WPD Waste Permits Division WRS Waste Receipt Summary WQMP Water Quality Management Plan WRAC Waste Reduction Advisory Committee WRPA Waste Reduction Policy Act WS wind speed WU water utility or utilities
X
XRF X-ray fluorescence
Z
ZBB zero base budget ZEV zero emission vehicle