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Day4 Plenary 02c Low - United States Environmental ... · based on 2008‐2010 design values. ......

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10
South Coast Air Quality Management National Ambient Air Monitoring Conference May 17 th , 2012
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South Coast Air Quality ManagementNational Ambient Air Monitoring Conference

May 17th, 2012

South Coast Air Basin Days Exceeding Ozone Standards, 1976-2009*

200

250

eedin

g

100

150

Days

Exce

0

50Basin

-D

01976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008

Former 1-Hour Federal Ozone Standard

Former (1997) 8-Hour Federal Ozone Standard (0.08 ppm)

*Based on preliminary  data for 2009.

Ozone ExposuresOzone Exposures8‐Hour NAAQS = 75 ppb

San Joaquin Valley10.5%

Sacramento Valley5.6%

San Diego5.0%

Rest of Calif

Nationwide

5 Rest of Calif3.2%Houston/Galvest

on4.4%

Dallas/Ft Worth4 1%

South Coast48.1%

4.1%Philadelphia/Wil

mington3.9%

New York/New Jersey

R t  f J y3.8%

Atlanta1.3%Phoenix1 0%

Rest of Nation9.2%

1.0%

* Population‐weighted incremental exposure to ozone above the 8‐Hour NAAQS (> 75 ppb),based on 2008‐2010 design values

SCAQMD PAMS Measurements

Santa  Clarita

Type I Type IIIType II Upper Air Meteorology

Los Angeles  

San Bernardino  

Crestline 

FontanaRedlands 

Upland 

Ontario FS  Rubidoux 

Big Bear

Pico Rivera

Pomona 

Glendora 

Azusa 

Burbank Reseda 

WSLAPasadena

Lynwood

•Ozone•NO/ NO2/ NOy

Anaheim 

RiversideSCAQMD Air Monitoring Network

SOUTH COAST AIR BASIN (SCAB) COUNTY LINES

AIR MONITORINGSTATION

Long Beach Norco 

Perris 

Lake ElsinoreMSVJCosta Mesa

La HabraLAXH 

Pico Rivera 

Banning 

Indio

Palm Spr.

SLB

MLOMMRLM 

Lynwood 

Compton 

/ / y•CO•Speciated VOC•Carbonyl 

M ILES 

0  25 

Costa Mesa 

February 1996 Version

•Carbonyl •Meteorology

PAMS Air Quality Data Usage

Ozone precursor assessmentComparisonsCo pa so sTrendsControl evaluationS   iSource categories

Source ApportionmentEmission Inventory  (STI  July Emission Inventory Evaluation/Reconciliation

(STI, July 2005)

(STI, August 2005)

PAMS Data Usage (Cont.)

Lee, et. al,  Atmospheric 

6

pMeasurements (2009)

Data Quality Analytical Methods StandardsMethods

Enhancing Regional Knowledge

8

Al f Ai P ll S dAloft Air Pollutant Study

O d d fOzonesondes and Aircraft Measurements

Evaluated offshore regional air quality model boundary air quality model boundary conditionsShipping lane emissions assessmentAloft Ozone  Hydrocarbons  Aloft Ozone, Hydrocarbons, Sulfur Compounds, PM and Met throughout a year

24 FlightsCatalina Island ozone Catalina Island ozone transport assessmentEvaluated portable monitoring platform on light  unmodified aircraft light, unmodified aircraft (relatively low cost)

Next Steps

•Re evaluate Objectives

•Modernize and Increase EfficienciesEfficiencies

•Continue to Improve QA/QC

C ll b ti  L i  •Collaborative Learning Process


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