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## Quality Assurance Site Survey Report for Mission Viejo

Last updated March 2009

AIRS Number ARB Number Site Start Date Reporting Agency and Agency Code 060592022 30002 06/99 

### South Coast AQMD (061)
Site Address County Air Basin Latitude Longitude El evation 26081 Via Pera Mission Viejo, CA 92691 

### Orange South Coast 33° 37' 89" 117° 40' 33" 168

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# Site Survey Report

Siting Information

Site Name: Mission Viejo Date: 03/10/09 State Code: 30002 AIRS Number: 060592022
Latitude: 33° 37' 48" Longitude: 117° 40' 33" Elevation (m): 168 Address: 26081 Via Pera Mission Viejo, CA 92691 Senior AQIS: Albert Dietrich Site Technician: Tom Mac Site Phone: (949) 768-8111

Operating Agency: South Coast AQMD 

## General Siting Conditions

Station Temperature Traffic Topography Predominant Wind Direction: W

Controlled: Yes Description: Arterial Site: Level Arc Air Flow (Deg): 360 Degrees

Recorded: Yes Distance: 200 meters Region: Hilly Probe Last Cleaned: May 2008

Count (Veh/Day): 42400 QA Manual Manifold Clean: Yes

Meteorology Non-vehicular Local Sources Approved: Yes Cleaning Schedule: 6 Months

Located With Instruments: Yes Description: None Agency: South Coast AQMD Autocalibrator Type: Environics 9100

Distance: N/A Urbanization: Suburban Site Survey Complete: Yes

Direction: N/A Ground Cover: Asphalt Logbo ok Up To Date: Yes



## Action Items

Comments

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# Detailed Site Information

Site Name Mission Viejo AQS ID (AIRS #) 060592022 GIS coordinates Latitude: 33° 37’ 48” Longitude: 11 7° 40’ 33” Location El Toro Water District Filter Plant Address 26081 Via Pera, Mission Viejo, CA 92691 County Orange Dist. to road 200 meters Traffic count 42,400 veh/day Groundcover Asphalt PEP audit? NPAP audit? 11/19/07 Flow audit? 01/07 Representative Area 31100-Los Angeles-Long Beach-Sa nta Ana, CA MSA Pollutant Carbon Monoxide Ozone PM10-SSI PM2.5 Monitor obj REPRESENTATIVE CONCENTRATION REPRESENTATIVE CONCENTRATION REPRESENTATIVE CONCENTRATION REPRESENTATIVE CONCENTRATION Spatial scale Neighborhood Scale Neighborhood Scale Neighborhood Scale Neighborhood Scale Sampling method Horiba APMA 360 API/400E Sierra And ersen 1200 Andersen 300 RAAS 2.5 Serial # 577274014 527-S N/A 361 Property # 16478 N/A 3981 E000019 Last Calibration Date 06/26/08 06/25/08 01/29/09 02 /04/09 Analysis method N/A N/A Weighed by SCAQMD lab Weighed by SCAQMD lab Start date 06/15/99 06/15/99 06/15/99 06/15/99 Operation schedule 1:1 1:1 1:6 1:3 Sampling season All Year All Year All Year All Year Probe height 6.7 6.7 3.4 3.8 Distance from supporting structure 2.4 2.4 2.4 2.9

Distance from obstructions on roof N/A N/A N/A N/A

Distance from obstructions not on roof N/A N/A 4.8 4.8

Distance from trees N/A N/A N/A N/A Distance to furnace or incinerator flue N/A N/A N/A N/A

Distance between collocated monitors N/A N/A N/A N/A

Unrestricted airflow Yes Yes 270° 270° Probe material Teflon Teflon N/A N/A Residence time 11.1 11.4 N/A N/A Will there be changes within the next 18 months? No No No No

Is it suitable for comparison against the annual PM2.5? N/A N/A N/A Yes

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Frequency of flow rate verification for manual PM samplers audit N/A N/A Monthly Monthly

Frequency of flow rate verification for automated PM analyzers audit N/A N/A N/A N/A

Frequency of onepoint QC check (gaseous) Nightly Nightly N/A N/A

Last Annual Performance Evaluation (gaseous) 01/30/07 01/30/07 N/A N/A

Last two semi-annual flow rate audits for PM monitors N/A N/A 05/07, 11/07 05/07, 11/07

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## Mission Viejo Site Photos

Looking North from the probe. Looking East from the probe.

Looking South from the probe. Looking West from the probe.

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## Mission Viejo Site Photos (Cont.)

Looking at the probe from the North. Looking at the probe from the East.

Looking at the probe from the South. Looking at the probe from the West.