BA - Budget Authority
BA - Budget Authorization
Ba - Barium
BAA - Board of Assistance Appeals
BAA - Broad Agency Announcement
BAAN - Budget Authorization Account Number
BAAQMD - Bay Area Air Quality Management District
BAC - Best Available Controls
BAC - Bioremediation Action Committee
BAC - Biotechnology Advisory Committee
BAC - Budget Activity Code
BACER - Biological and Climatological Effects Research
BACM - Best Available Control Measures
BACT - Best Available Control Technology
BADCT - Best Available Demonstrated Control Technology
BADT - Best Available Demonstrated Technology
BAF - Bioaccumulation Factor
BALLERINA - Baltic Sea Region On-line Environmental Information
BAM - Beta Attenuation Monitor
BANANA - Build Absolutely Nothing Anywhere Near Anybody
BAP - Benefits Analysis Program
BaP - Benzo(a)pyrene
BAPL - Bettis Atomic Power Laboratory
BAPS - Baseline Air Pollution Station
BAQC - Bureau of Air Quality Control
BAR - Bureau of Automotive Repair
BARCIS - Barcode Information System
BARCT - Best Available Retrofit Control Technology
BARD - Boating Accident Report Database
BARF - Best Available Retrofit Facility
BART - Bay Area Rapid Transit
BART - Best Available Retrofit Technology
BASINS - Better Assessment Science Integration Point and Nonpoint Sources
BASIS - Battelle's Automated Search Information System
BASP - Best Available sampling Port
BASS - Bioaccumulation and Aquatic System Simulator
BAT - Best Available Technology
BAT - Best Available Treatment
BATEA - Best Available Technology Economically Achievable
BATNEEC - Best Available Technology Not Entailing Excessive Cost
BBAP - Behavior Based Accident Prevention Program
BBI - Oa-Cincinnati Foreign Tape
BBP - Bloodborne Pathogens
BBS - Behavior Based Safety
BBS - Bulletin Board Service
BC - Benefit-Cost
BC - Branch Chief
BCA - Bilateral Compliance Agreement
BCAS - Bangladesh Center for Advanced Studies
BCC - Bioaccumulative Chemical of Concern
BCC - Blind Carbon Copy
BCCD - Bonneville County Civil Defense
BCCM - Board for Certified Consulting Meteorologists
BCDC - Bay Area Conservation and Development Commission
BCF - Bioconcentration Factor
BCL - Battelle Columbus Laboratory
BCOE - Biddability, Constructability, Operability, and Environmental
BCP - Bioconcentration Factor
BCPCT - Best Conventional Pollutant Control Technology
BCPT - Best Conventional Pollutant Technology
BCR - Benefit Cost Ratio
BCRLF - Brownfields Cleanup
BCSP - Board of Certified Safety Professionals
BCT - Best Control Technology
BCT - Best Conventional (Pollutant Control) Technology
BD - Budget Division
BDAT - Best Demonstrated Achievable Technology
BDAT - Best Demonstrated Available Technology
BDCT - Best Demonstrated Control Technology
BDL - Below Detectable Level
BDT - Best Demonstrated Technology
Be - Beryllium
BEA - Bureau of Economic Advisors
BEACH - Beaches Environmental Assessment and Coastal Health
BEAR - Barents Euro-Arctic Region
BECC - Border Environmental Cooperation Commission
BEDI - Brownfields Economic Development Initiative
BEE - Baseline Ecological Evaluation
BEEF - Big Explosives Experimental Facility
BEEP - Benignus EEG Evoked Potential
BEF - Bioaccumulation Equivalency Factor
BEHI - Bank Erosion Hazard Index
BEHP - Bis(2-ethylhexyl) phthalate
BEI - Biological Exposure Index
BEIS2 - Biogenic Emissions System Inventory – Version 2
BEJ - Best Engineering Judgment
BEJ - Best Expert Judgment
BEL - Basic Equipment List
BENCHMARC - Biodegradation of Environmental Chemicals Modeled with Aquatic, Relative-Rate Coefficients
BEP - Black Employment Program
BEP - bis (2-ethylhexyl) phthalate
BERH - Board of Engineers for Rivers and Harbors
BF - Bonafide Notice of Intent to Manufacture or Import
B & F - Building and Facilities
bg - Billion Gallons
BGS - Balanced Groundwater Scenario
BGS - Below Ground Surface
BHC - Benzene Hexachloride
BHC - Bromohydrocarbon
BHP - Biodegradation, Hydrolysis, and Photolysis
BI - Background Information
BI - Business Interruption
Bi - Bismuth
BIA - Bureau of Indian Affairs
BID - Background Information Document
BID - Buoyancy Induced Dispersion
BIF - Boiler and Industrial Furnace
BIIT - Business Information Integration technology
BIOCARB - Bags of Balanced Microbes Embeded in Charcoal
BIODG - Biodegradation of Organics or Non-metallic Inorganics
BIOLOGS - Biological Data Management System
BIOMASS - Biological Investigations of Marine Antarctic Systems and Stocks
BIOPLUME - Model to Predict the Maximum Extent of Existing Plumes
BIOS - Biological Data System
BIOS - Natural Biological Information System
BIOSTU - Bioassay Studies
BIS - Bio-geographic Information System
Bk - Berkelium
BL - Baseline
BLAST - Building Load Analysis and System Thermodynamic Center
BLDG - Building
BLEVES - Boiling Liquid Expanding Vapor Explosions
BLIS - BACT/RACT/LAER Information System
BLM - Bureau of Land Management
BLOB - Biologically Liberated Organo-Beasties
BLOS - Bicycle Level of Service
BLOSA - Beam Line Operations and Safety Awareness
BLP - Bromine-Loading Potential
BLP - Buoyant Line and Point Source Model
BLR - Basic Liquid Resins
BLRA - Baseline Risk Assessment
BLRA/CMS - Baseline Risk Assessment/Corrective Measures Study
BLS - Basic Life Support
BLS - Bureau of Labor Statistics
BMD - Benchmark Dose
BMDL - Benchmark Dose Level
BMFP - Beach Maintenance Fund Program
BMI - Body Mass Index
BMP - Best Management Practice
BMR - Baseline Monitoring Report
BMU - Bear Management Unit
BNA - Base Neutral/Acid
BNA - Biological Natural Attenuation
BNA - Bureau of National Affairs
BNFL - British Nuclear Fuels Limited, Inc.
BNL - Benthic Nepheloid Layer
BO - Budget Obligations
BOA - Basic Ordering Agreement
BOA - Blank Ordering Agreement
BOAC - Bill Office Address Code
BOC - United States/Canada Binational Operations Committee
BOCA - Building Officials and Code Administrators International
BOD - Basic Oxygen Demand
BOD - Bid Opening Date
BOD - Biochemical Oxygen Demand
BOD - Biological Oxygen Demand
BOD5 - Biological Oxygen Demand (5 day)
BOE - Bureau of Environment
BOF - Basic Oxygen Furnace
BOHS - British Occupational Hygiene Society
BOM - Bureau of Mines
BOP - Basic Oxygen Process
BOPF - Basic Oxygen Process Furnace
BOR - Bureau of Reclamation
BORAX-V - Boiling Water Reactor Experiment
BOULD - Boulder Remote Data Collection and Control System
BOY - Beginning of Year Violator
BOYSNC - Beginning of Year Significant Non-Compliers
BP - Barometric Pressure
BP - Boiling Point
BPA - Beaumont-Port Arthur Non Attainment Area
BPA - Blanket Purchasing Agreement
BPAC - Budget Program Activity Code
BPATT - Best Practicable Available Treatment Technology
BPCS - Basic Process Control System
BPCT - Best Practicable Control Technology
BPCTCA - Best Practicable Control Technology Currently Available
BPD - Basis and Purpose Document
BPHE - Baseline Public Health Evaluation
BPI - Bureau of Plant Industry
BPI - Business Performance Indicator
BPIP - Building Profile Input Program
BPJ - Best Professional Judgment
BPR - Business Process Review
BPT - Best Practicable Technology
BPT - Best Practicable Control Technology
BPT - Best Practicable Treatment
BPT - Best Practice Technology
BPWTT - Best Practical Wastewater Treatment Technology
BR - Biennial Report
BR - Business Roundtable
BR - Butyl Rubber
Br - Bromine
BRA - Baseline Risk Assessment
BRAC - Base Realignment and Closure
BRAVO - Big Bend Aerosol and Visibility Observational Study
BREF - BAT Reference Document
BRI - Building Related Illness
BRS - Bibliographic Retrieval Service
BRS - Biennial Reporting System
BS - Bilateral Staff
BS - British Standards
BSAC - Biotechnology Science Advisory Committee
BSAF - Sediment Bioaccumulation Factor
BSAI - Bearing Sea and Aleutian Islands Management Area
BSC - Biological Safety Cabinet
BSC - Biological Sciences Center
BSCATS - Bear Sydney Control Adaptive Traffic System
BSI - Body Substance Isolation
BSI - British Standards Institute
BSIC - Bioaccumulative Substance of Immediate Concern
BSO - Benzene Soluble Organics
BS&W - Bottom Sediments and Water
BTAGS - Biological Technical assistance group Coordinators
BTCS - Bear Traffic Control System
BTEX - Benzene, Toluene, Ethylene and Xylene
BTF - Beyond the Floor
BTOC - Below Top of Casing
BTS - Bureau of Transportation Statistics
Btu or BTU - British Thermal Unit
BTX - Benzene, Toluene, Xylenes
BTZ - Below the Treatment Zone
BU - Bargaining Unit
BUBBLE - Use of Alternative Emissions Limits to Meet SIPPS/NSPS Requirements
BUD - Benefits and Use Division
BUN - Blood Urea Nitrogen
BUST - Bureau of Underground Storage Tanks
BUSTR - Ohio Bureau of Underground Storage Tanks
BVN - Bureau Voucher Number
BW - Body Weight
B&W - Black and White
BWa - Body Weight
BWh - Body Weight
BWNT - Babcock and Wilcox Nuclear Technologies
BWON - Benzene Waste Operations NESHAP
BWR - Boiling Water Reactor
BXA - Bureau of Export Administration
BY - Budget Year