Hydrocarbon Monitoring as of June 24, 2009
This page last reviewed July 21, 2010
| Parameter
Measured |
Non-Methane
Hydrocarbon
Compound (NMHC)
|
Continuous
Non-Methane
Hydrocarbons
|
Carbonyl
Compounds
|
|
Total NMHC
|
Speciated
NMHC
(69 species, C2
through C12)
|
Acetone
Formaldehyde
Acetaldehyde
|
| Sampling
Schedule |
Every 3
days, July through September plus episodes
(3-hr samples)
|
Continuous
Hourly Average
|
3-hr sampler
|
| ARB
Collection Method |
XonTech
910A or 910PC Gaseous Sampler
with XonTech 912 Multisampler
|
Thermal
Environmental
(TECO) 55C
Hydrocarbon
Analyzer
|
Xontech
925 or
Other Carbonyl Samplers
|
| Sampling
Media |
Polished
Stainless
Steel Canister
|
Not Applicable
|
DNPH-Coated
Silica
Gel Cartridges
|
| ARB Sites |
None |
2 |
17 |
Additional
Sites Analyzed
by other Agencies |
5 SCAQMD
4 San Diego County APCD
4 San Joaquin Valley APCD
3 Ventura County APCD
|
11
|
3 SCAQMD
2 San Diego County APCD
2 San Joaquin Valley APCD
1 Ventura County APCD
|
| ARB
Analysis Method |
Method
024
Cryofocusing
Direct GC/FID
|
Method
032
Cryfocusing GC/FID
|
Flame
Ionization
Detector
|
Method
022
High-Performance
Liquid
Chromatography /
Ultraviolet Detector
|
| Data
Availability |
ARB
Planning and Technical Support Division, Aerometric
Data Analysis and Management System (ADAM);
U.S.
EPA Air Quality System (AQS)
|
|
