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A Healthy Breathing Environment For Every Bay Area Resident
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Abbreviations
A
- A/C
- Authority to Construct
- AB
- Assembly Bill
- ABAG
- Association of Bay Area Governments
- AFS
- AIRS Facility Subsystem (AIRS)
- AIRS
- Aerometric Information Retrieval System (EPA)
- AMB
- ambient temperature
- AMS
- Area/Mobile Source Subsystem (AIRS)
- APCO
- Air Pollution Control Officer
- AQ
- air quality
- AQI
- Air Quality Index
- AQS
- Air Quality Subsystem (AIRS)
- ARB
- Air Resources Board
- ASF
- automatic scheduling facility
- ATCM
- Air Toxics Control Measure
- AVR
- average vehicle ridership
B
- BAAQMD
- Bay Area Air Quality Management District
- BACT
- Best Available Control Technology
- BALIA
- Bay Area League of Industrial Associates
- BARCT
- Best Available Retrofit Control Technology
- BC
- basis code
- BHP
- Brake Horsepower
- BTU
- British Thermal Unit
C
- CAA
- Clean Air Act
- CAAA
- Clean Air Act Amendments
- CARB
- California Air Resources Board
- CCAA
- California Clean Air Act
- CDS
- Compliance Data System (BAAQMD)
- CEM
- Continuous Emission Monitor
- CEQA
- California Environmental Quality Act
- CFC
- chlorofluorocarbon
- CFR
- Code of Federal Regulations
- CI
- Compression Ignition
- CMA
- Congestion Management Agency
- CMP
- Congestion Management Program
- CO
- carbon monoxide
- CV
- Compliance Verification (VN cleared Date)
- CVD
- chemical vapor deposition
D
- DAPCO
- Deputy Air Pollution Control Officer
- DO
- District Office
- DPF
- Diesel Particulate Filter
- DPM
- Diesel Particulate Matter
E
- E3
- thousand (10^3)
- E6
- million (10^6)
- EDI
- Electronic Data Interchange
- EF
- emission factors
- EIS
- Emissions Inventory Subsystem
- EPA
- Environmental Protection Agency
- ERC
- Emission Reduction Credit
F
- FAT
- field accuracy test
G
- g/bhp-hr
- grams per brake horsepower hour
- g/kw-hr
- grams per kilowatt hour
- GCS
- geographic/common Subsystem (AIRS)
- GDF
- gasoline dispensing facility
- GLM
- ground-level monitor
H
- H2S
- hydrogen sulfide
- HAP
- Hazardous Air Pollutant
- HBr
- hydrogen bromide
- HC
- hydrocarbons
- HCL
- hydrogen chloride
- HF
- hydrofluoric acid, hydrogen fluoride
- HIT LIST
- High-Priority Inspection Targeting List
- HMDS
- hexamethyldisilazane
- HOV
- high-occupancy vehicle
- HRA
- Health Risk Assessment
- HRSA
- Health Risk Screening Analysis
I
- IPA
- isopropyl alcohol
J
- JP5
- high flash point kerosine (jet fuel)
L
- LPG
- liquefied petroleum gas
M
- M
- thousand
- MACT
- Maximum Achievable Control Technology
- MC
- materials code
- MDA
- methylenedianiline, meteorology, and data analysis
- MEIR
- Maximally Exposed Individual Resident
- MEIW
- Maximally Exposed Individual Worker
- MEK
- methyl ethyl ketone
- MIBK
- methyl isobutyl ketone
- MM
- million
- MMBTU/MBTU
- one million British Thermal Units
- MS
- mutual settlement
- MSDS
- Material Safety Data Sheets
- MTC
- Metropolitan Transportation Commissions
- MTI
- months to targeted inspection
N
- NA
- not applicable
- NAAQS
- National Ambient Air Quality Standards
- NADB
- National Air Data Branch (EPA)
- NAMS
- National Air Monitoring Station
- NCC
- National Computer Center (EPA)
- neg negl
- negative, negligible
- NESHAPS
- New Source Hazardous Pollutant Standards
- NFA
- no further action
- NH3
- ammonia
- NHC
- no hardware change
- NIP
- notice of insufficient payment
- NMHC
- Non-Methane Hydrocarbon
- NOV
- Notice of Violation
- NOx
- nitrogen oxides
- NPDES
- National Pollutant Discharge Elimination System (AIRS)
- NPOC
- Non-Precursor Organic Compound
- NSPS
- New Source Performance Standards
- NSR
- New Source Review
O
- OAQPS
- Office of Air Quality Planning and Standards (EPA)
P
- P/O
- Permit to Operate
- P2O5
- phosphorus pentoxide
- PA
- Permit Application, Permitting Authority (EPA)
- PAHs
- Polycyclic Aromatic Hydrocarbons
- PC
- Pollutant Code
- PCB
- polychorinated biphenyls
- PERC
- perchloroethylene
- PIM
- plant inspection materials
- PM
- Particulate Matter - diameter < 10 microns 10="">
- PM10
- particulate matter less than 10 microns in diameter
- PM2.5
- Particulate Matter 2.5 microns and smaller in diameter
- PMI
- Point of Maximum Impact
- PO
- purchase order
- POC
- precursor organic compounds
- PONSCO Criteria Pollutants
- particulates, organics, nitrogen oxides, sulphur dioxide, carbon monoxide, and others
- POTW
- Publicly Owned Treatment Works
- PPD
- pounds per day
- pphm
- parts per hundred million
- ppm
- parts per million
- PSD
- Prevention of Significant Deterioration
- PSI
- Pollutant Standards Index
- PSIA
- pounds per square inch, absolute
- PUC
- Public Utilities Commission
- PVC
- polyvinyl chloride
Q
- QA
- quality assurance
- QC
- quality control
R
- RACM
- regulated asbestos-containing material
- RACT
- Reasonably Available Control Technology
- RAOB
- Radar Atmospheric Observation Balloon
- RFP
- Request for Proposal, Reasonable Further Progress
- RHC
- retroactive hydrocarbons
- RI
- Resident Inspector
- RICE
- Reciprocating Internal Combustion Engine
- RL
- relocatable library (HP)
- RMA
- Return Merchandise Authorization
- ROG
- reactive organic gases
- RVP
- Reid vapor pressure
S
- SC
- source code
- SCC
- source classification code
- SCRAM
- Support Center for Regulatory Air Models
- SEPP
- Supplemental Environmental Project Policy
- SFB
- small facility bank
- SIC
- Standard Industrial Classification
- SIP
- State Implementation Plan
- SL
- segmented library (HP)
- SMOP
- Synthetic Minor Operating Permit
- SO2
- sulfur dioxide
- SO3
- sulfur trioxide
- SOV
- Single Occupant Vehicle
- ST
- source test
T
- TAC
- Toxic Air Contaminant
- TBACT
- Toxics Best Available Control Technology
- TCA
- trichloroethane
- TCE
- trichloroethlylene
- TCM
- transportation control measure
- TEL
- tetraethyl lead
- TFCA
- Transportation Fund for Clean Air
- THF
- tetrahydrofuran
- thou
- thousand
- TMA
- Transportation Management Association
- TPY
- tons per year
- TRS
- total reduced sulfur
- TSP
- total suspended particulates
- TTN
- Technology Transfer Network (EPA)
- TVP
- true vapor pressure
U
- unk
- unknown
- USEPA
- United States Environmental Protection Agency
- USL
- user subprogram library (HP)
- UTM
- Universal Transverse Mercator
V
- VMT
- vehicle miles traveled
- VN
- violation
- VOC
- Volatile Organic Compound
- VSP
W
- WILA
- warning of impending legal action
Contact Us
Communications
General Information
415.749.4900
Meteorology & Measurements
Air Monitoring
415.749.4985
Spare the Air Status
Last Updated: 8/3/2023