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
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

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Last Updated: 1/1/0001