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Chabot Space and Science Center
Oakland
Alameda County

Air Quality Fact

The air we breathe in the lower atmosphere is not primarily composed of oxygen. Instead it contains 78% nitrogen, 21% oxygen and less than 1% gases like argon and carbon dioxide.

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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
AVR
Average Vehicle Ridership
B
BACT
Best Available Control Technology
BALIA
Bay Area League of Industrial Associates
BARCT
Test Available Retrofit Control Technology
BC
Basis Code
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
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
E
E3
thousand (10 ^3)
E6
million (10^6)
EDI
Electronic Data Interchange
EF
Emission Factors
EIS
Emissions Inventory Subsystem
EPA
Environmental Protection Agency
F
FAT
Field Accuracy Test
G
GCS
Geographic / Common Subsystem (AIRS)
GDF
Gasoline Dispensing Facility
GLM
Ground Level Monitor
H
H2S
Hydrogen Sulfide
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
I
IPA
Isopropyl Alcohol
J
JP5
Jet Fuel
K
L
LPG
M
M
Thousand
MC
Materials Code
MDA
Methylenedianiline, Meteorology and Data Analysis
MEK
Metyl Ethyl Ketone
MIBK
Methyl Isobutyl Ketone
MM
Million
MMBTU
Million BTU
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
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
Nitrous Oxides
NPDES
Nat’l Pollutant Discharge Elimination System (AIRS)
NSPS
New Source Performance Standards
NSR
New Source Review
O
OAQPS
Office of Air Quality Planning and Standards
P
P/O
Permit to Operate
P2O5
Phosphorous Pentoxide
PA
Permit Application, Permitting Authority (EPA)
PAH
Polycyclic Aromatic Hydrocarbons
PC
Pollutant Code
PCB
Polychorinated biphenyls
PERC
Perchloroethylene
PIM
Plant Inspection Materials
PM
Particulate Matter
PM10
Particulate Matter – diameter < 10 microns
PO
Precusor Organics, Purchase Order
POC
Precursor Organics
PONSCO Criteria Pollutants
Particulates, Organics, Nitrogenoxides, Sulphurdioxide, Carbonmonoxide, Other contaminant
POTW
Public Owned Treatment Works
PPD
Pounds Per Day
pphm
Parts per hundred million
ppm
Parts per million
PSD
Prevention of Significant Deterioration
PSI
Pollutant Standard Index
PSIA
Pounds per Square Inch, Absolute
PUC
Public Utilities Commission
PVC
PolyVinylChoride
Q
QA
Quality Assurance
R
RACM
Regulated ACM
RAOB
Radar Atmospheric Observation Balloon
RFP
Request for Proposal, Reasonable Further Progress
RHC
Retroactive Hydrocarbons
RI
Resident Inspector
RL
Relocatable Library (HP)
RMA
Return Merchandise Authorization
ROG
Reactive Organics
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 Facilities Bank
SIC
Standard Industrial Classification
SIP
State Implementation Plan
SL
Segmented Library (HP)
SMOP
Synthetic Minor Operating Permit
SO2
Sulphur Dioxide
SO3
Sulphur Trioxide
SOV
Single Occupant Vehicle
ST
Source Test
T
TAC
Toxic Air Contaminant
TCA
Trichloroethane
TCE
Trichloroethlylene
TCM
Transportation Control Measure
TEL
Tetra-Ethyl Lead
TFCA
Transportation Fund for Clean Air
THF
TBD
thou
Thousand
TMA
Transportation Management Association
TPY
Tons Per Year
TRS
Total Reduced Sulfur
TRSP
Total Suspended Particulates
TTN
Technology Transfer Network (OAQPS)
TVP
True Vapor Pressure
TY
Tons per Year
U
unk
unknown
USEPA
United States Environmental Protection Agency
USL
User Subprogram Library (HP)
UTM
Universal Transverse Marcator
V
VMT
Vehicle Miles Traveled
VN
Violation
VOC
Volatile Organic Compounds
VSP
W
WILA
Warning of Impending Legal Action
X
Y
Z
Last Updated: 7/23/2009