Photochemical pollution at two southern California smog receptor sites
- DGA, Inc., Ventura, CA (United States)
A one-year survey of air quality has been carried out at two southern California inland locations, Perris and Palm Springs to evaluate transport of photochemical smog from the Los Angeles area and to assess population exposure to toxic air pollutants in the Coachella Valley and eastern Riverside County. Air pollutants measured included formaldehyde, acetaldehyde, nitric acid, and peroxyacetyl nitrate (PAN). Acetic acid was also measured as part of the time-integrated method employed to measure PAN. In addition, intensive studies were carried out at both locations and included measurements of aldehydes, nitric acid, PAN, peroxypropionyl nitrate (PPN), methylchloroform and tetrachloroethylene. Maximum concentrations of HCHO, CH{sub 3}CHO, HNO{sub 3}, PAN, PPN, CH{sub 3}COOH and C{sub 2}Cl{sub 4} were 26, 21, 4.5, 7.6, 0.42, 6.6 and 0.29 ppb in Palm Springs and 15, 30, 6.3, 9.1, 0.73, 7.8 and 0.43 ppb in Perris. Pollutant concentrations measured in Palm Springs and Perris are compared to those measured in the Los Angeles area, and are discussed in terms of formation and removal during transport.
- OSTI ID:
- 7264192
- Journal Information:
- Journal of the Air and Waste Management Association; (United States), Vol. 42:6; ISSN 1047-3289
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ACETALDEHYDE
ECOLOGICAL CONCENTRATION
ACETIC ACID
CALIFORNIA
AIR POLLUTION
FORMALDEHYDE
NITRIC ACID
PEROXYACETYL NITRATE
AIR POLLUTION MONITORING
ENVIRONMENTAL TRANSPORT
PHOTOCHEMICAL REACTIONS
SMOG
SURVEYS
ALDEHYDES
CARBOXYLIC ACIDS
CHEMICAL REACTIONS
DEVELOPED COUNTRIES
ESTERS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
MASS TRANSFER
MONITORING
MONOCARBOXYLIC ACIDS
NITRATES
NITRIC ACID ESTERS
NITROGEN COMPOUNDS
NORTH AMERICA
ORGANIC ACIDS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
POLLUTION
USA
540120* - Environment
Atmospheric- Chemicals Monitoring & Transport- (1990-)