Central California Ozone Study (CCOS) - Desert Research Institute

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CCOS Field Operations Plan (DRAFT) Version 2: 5/31/00 Figure 2.4-2. CCOS supplemental air quality and meteorological monitoring sites and Photochemical Assessment Monitoring Stations Chapter 2: FIELD MEASUREMENTS 2-20
CCOS Field Operations Plan (DRAFT) Version 2: 5/31/00 2. Continuous ozone during study period. 3. Continuous NO and NOy during study period by a TEI 42S high sensitivity chemiluminescence analyzer with external converter near the sample inlet. 4. Four 3-hour (at 0000-0300, 0600-0900, 1300-1600, and 1700-2000, PDT) canister samples for up to 15 IOP days to CH 4 , and analysis by flame ionization detection; and C 2 -C 12 hydrocarbons and MTBE by gas chromatography with flame ionization detection. 5. Four 3-hour (at 0000-0300, 0600-0900, 1300-1600, and 1700-2000, PDT) DNPH cartridge samples for up to 15 IOP days for C 1 -C 7 carbonyl compounds by HPLC with UV detection. With the exception of NOy measurements, S1 sites are equivalent to Photochemical Assessment Monitoring Stations (PAMS) sites. Measurements of speciated volatile organic compounds (VOC) made under CCOS (four 3-hour samples on 15 IOP days) supplement the 11 existing PAMS sites in the study area (four in Sacramento, four in Fresno, and three in Bakersfield). The ozone episodic samples that will be collected under PAMS will coincide with the CCOS IOP days. S1 sites are proposed for Bodega Bay and along the south central coast north of Morro Bay at Piedras Blancas to obtain background data near the western boundary of the CCOS modeling domain. Sutter Buttes and Turlock provide characterization of ambient air transported into the upper Sacramento Valley and into the northern San Joaquin Valley, respectively, as a function of the nature of the flow bifurcation downwind of the San Francisco Bay Area. Transport issues will be addressed in the Sierra Foothill communities by supplementing existing measurements at White Cloud (near Grass Valley) and at San Andreas. Type S1 measurements are also proposed for the CRPAQS Anchor site at Angiola. The Bay Area AQMD will operate the existing San Jose and San Leandro monitoring sites as S1 sites during CCOS. Type 2 supplemental monitoring sites (S2) are located at the interbasin transport and intrabasin gradient sites, and near the downwind edge of the urban center where ozone formation may either be VOC or NOx limited depending upon time of day and pattern of pollutant transport. S2 sites also provide data for initial conditions and operation evaluations and some diagnostic evaluation of model outputs. The following aerometric parameters are measured at Type 2 supplemental monitoring sites. 1. Continuous surface wind speed and direction and temperature during study period. 2. Continuous O 3 during study period. 3. Continuous NO and NOy during study period by a high sensitivity TEI 42S chemiluminescence analyzer. 4. Continuous NO 2 and peroxyacylnitrate (PAcN) during primary study period by gas chromatography with Luminol detector. A second estimate of HNO 3 is obtained by the difference between NOy and the sum of NO, NO 2 , and PAcN. This second Chapter 2: FIELD MEASUREMENTS 2-21
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Appendix A CCOS Contact List (a) Re
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APPENDIX B Air Quality Monitoring S
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APPENDIX B (continued) Air Quality
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APPENDIX B (continued) Air Quality
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C. MEASUREMENT METHODS Field monito
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these sensors are sufficiently good
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the position of the balloon with re
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The ozone/ethylene chemiluminescenc
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C.5 Supplemental Measurements of Ox
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from the collection surface without
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hydrocarbons takes place. No Perma-
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Tenax samples are usually analyzed
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λ 2 j = ∫ F λ ×σ λ × φ λ
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A sample of solar radiance data inc
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TABLE OF CONTENTS S0 Sites S1 Sites
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Lambie Road (S0) Address: Location:
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Sloughhouse (S0) Address: Fire Stat
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San Martin (S0) Address: San Martin
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Kettleman City (S0) Address: Locati
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McKittrick (S0) Address: Location:
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Red Hills (East County Monitoring S
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Sutter Butte (S1) Address: Location
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White Cloud (S1) Address: 26533 Sta
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Bodega Bay (S1) Address: Location:
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San Leandro Address: Location: Coor
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. Summary of Responsibilities: Equi
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New Facilities: One phone line for
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New Facilities: None Summary of Res
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Turlock Existing Equipment: Observa
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Summary of Responsibilities: Equipm
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C 2 - C 12 HC from canisters HC Can
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Coefficient of Haze RAC Gas Calibra
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New Facilities: Small trailer, powe
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Observable Instrument Installer O 3
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New Facilities: 8’ x 10’ traile
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Observable Instrument Installer NO/
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Existing Monitoring Equipment (vend
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C 8 - C 20 HC from TENAX DRI Multi-
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Parlier Existing Equipment: Observa
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Camp Roberts (Other) Address: Locat
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Appendix D-2 Supplemental Air Quali
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Bella Vista Bella Vista Water Distr
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South View from Front Gate Southwes
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San Martin San Martin Shelter with
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South View Southwest View West View
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Sutter Butte
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San Leandro
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Bruceville
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west view northwest view
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South View West View
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South View West View
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Pacheco Pass Pacheco Pass Site Nort
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Arvin North View Northeast View Eas
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Sunol Sunol Site, North View East V
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Southwest View West View
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Parlier Instrument Shelter North Vi
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Shasta Lake North View East View So
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Central California Ozone Study (CCOS) - Desert Research Institute

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