# APPENDIX L

International Attribution Plots

L-1BRET1Domestic and International Aerosol Mass by Species20% Best Days (2002)024681012141618 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/8 1/14 1/20 2/1 2/7 3/9 3/21 4/11 5/29 6/7 6/19 6/25 7/10 7/28 8/15 8/21 8/24 9/2 10/26 10/29 12/1 12/22 12/25 12/31

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-2BRET1Domestic and International Aerosol Mass by Species20% Worst Days (2002)05101520253035 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International2/13 2/16 3/15 5/5 5/23 6/28 7/13 7/16 7/19 7/25 8/3 8/27 9/5 9/8 9/11 9/14 9/17 9/20 9/29 10/8 10/11 10/14 11/1 11/7

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-3BRIG1Domestic and International Aerosol Mass by Species20% Best Days (2002)024681012141618 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International2/1 3/9 3/18 4/23 4/29 5/5 6/7 7/13 7/25 8/9 9/8 9/20 9/26 10/8 10/11 10/14 10/29 11/13 11/28 12/1 12/22 12/25

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-4BRIG1Domestic and International Aerosol Mass by Species20% Worst Days (2002)020406080100120 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/20 3/15 4/17 5/2 5/17 5/29 6/1 6/19 6/25 6/28 7/4 7/7 7/10 7/16 7/28 8/12 8/18 10/2 10/5 11/25 12/7 12/28

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-5CACR1Domestic and International Aerosol Mass by Species20% Best Days (2002)024681012 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/11 1/14 1/26 3/30 4/8 4/26 7/16 9/23 10/5 10/11 10/14 10/20 10/26 10/29 11/7 11/19 11/25 12/1 12/4 12/19 12/22 12/25

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-6CACR1Domestic and International Aerosol Mass by Species20% Worst Days (2002)051015202530354045 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International3/21 5/8 5/23 6/4 6/19 6/22 7/7 7/10 7/19 7/22 8/3 8/6 8/9 8/27 8/30 9/5 9/8 9/11 9/14 9/17 10/23 11/16 12/7

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-7CADI1Domestic and International Aerosol Mass by Species20% Best Days (2002)0246810121416 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/8 1/14 2/1 2/4 2/13 2/28 3/3 3/9 5/14 5/17 6/16 6/28 7/19 8/15 9/23 10/5 10/14 11/4 11/10 12/1 12/22 12/31

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-8CADI1Domestic and International Aerosol Mass by Species20% Worst Days (2002)05101520253035404550 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International3/18 6/4 6/7 6/19 6/22 7/4 7/7 7/10 7/16 7/25 8/3 8/6 8/9 8/12 8/27 8/30 9/2 9/8 9/11 9/17 9/29 10/23 12/7

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-9CHAS1Domestic and International Aerosol Mass by Species20% Best Days (2002)02468101214161820 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International2/7 3/9 3/12 4/14 5/26 6/10 6/13 6/19 6/22 6/25 7/1 7/10 7/22 8/12 8/15 8/27 8/30 9/5 9/23 11/16 12/10 12/13

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-10CHAS1Domestic and International Aerosol Mass by Species20% Worst Days (2002)051015202530 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/5 1/17 1/26 2/10 2/13 2/16 2/25 3/30 4/26 5/8 6/4 7/19 7/25 8/24 9/17 10/5 10/8 10/17 10/23 11/25 11/28 12/7 12/16

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-11COHU1Domestic and International Aerosol Mass by Species20% Best Days (2002)024681012141618 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/23 1/26 2/1 2/7 2/13 3/3 3/18 3/30 4/23 4/26 4/29 6/22 7/13 9/14 9/26 11/4 11/16 12/7 12/13 12/22

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-12COHU1Domestic and International Aerosol Mass by Species20% Worst Days (2002)0102030405060 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International2/25 5/2 6/1 6/4 7/4 7/7 7/10 7/16 7/25 8/3 8/6 8/9 8/12 8/15 8/21 9/5 9/8 9/17 9/20 9/23 10/8

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-13DOSO1Domestic and International Aerosol Mass by Species20% Best Days (2002)012345678 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/5 1/14 1/23 1/26 2/19 3/9 3/30 4/14 4/29 6/7 10/11 10/20 10/26 10/29 11/16 11/22 12/4 12/7 12/13 12/22 12/25 12/31

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-14DOSO1Domestic and International Aerosol Mass by Species20% Worst Days (2002)0510152025303540 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International5/2 5/8 5/17 5/26 5/29 6/1 6/4 6/10 6/13 6/19 6/22 6/25 7/1 7/10 7/25 8/12 8/15 9/11 9/14 9/17 9/20 9/29 10/2

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-15EVER1Domestic and International Aerosol Mass by Species20% Best Days (2002)024681012 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/23 1/29 2/1 3/12 3/21 4/14 5/14 5/17 5/20 6/13 6/25 7/10 7/25 7/31 8/30 9/2 9/5 9/8 9/11 10/11 10/14 10/23 10/26 10/29

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-16EVER1Domestic and International Aerosol Mass by Species20% Worst Days (2002)05101520253035404550 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/5 2/4 2/13 2/25 3/3 3/15 4/5 4/8 4/23 5/5 5/8 6/1 6/7 8/6 8/24 9/14 10/8 10/17 11/1 11/7 11/28 12/7 12/16 12/28

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-17GRSM1Domestic and International Aerosol Mass by Species20% Best Days (2002)024681012 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/8 1/11 1/14 1/23 2/1 2/7 2/19 2/28 3/3 3/9 3/30 4/26 7/13 9/14 9/26 10/26 10/29 11/4 11/16 11/22 12/7 12/13 12/22

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-18GRSM1Domestic and International Aerosol Mass by Species20% Worst Days (2002)05101520253035 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International2/25 5/2 5/8 5/17 6/1 6/13 6/19 6/22 7/1 7/7 7/10 7/16 7/22 7/31 8/3 8/6 8/9 8/12 8/15 8/21 9/5 9/8 9/11 9/17

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-19HEGL1Domestic and International Aerosol Mass by Species20% Best Days (2002)02468101214 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/14 1/26 2/13 3/9 3/12 3/30 4/23 4/26 4/29 5/14 5/17 8/15 9/23 10/5 10/8 10/14 10/17 10/29 11/4 11/7 11/13 12/1 12/19 12/31

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-20HEGL1Domestic and International Aerosol Mass by Species20% Worst Days (2002)0510152025303540 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/5 5/29 6/1 6/19 6/22 6/28 7/7 7/10 7/25 8/3 8/6 8/9 8/12 8/27 8/30 9/2 9/5 9/8 9/14 9/17 9/26 10/23 11/16 12/7 12/13

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-21JARI1Domestic and International Aerosol Mass by Species20% Best Days (2002)024681012 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/8 1/11 1/23 1/26 2/4 2/13 2/28 3/9 3/18 4/11 4/14 4/23 4/26 5/14 6/7 9/2 10/26 10/29 11/22 11/28 12/1 12/22 12/25

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-22JARI1Domestic and International Aerosol Mass by Species20% Worst Days (2002)05101520253035404550 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International5/17 5/26 6/1 6/4 6/10 7/1 7/4 7/10 7/16 7/19 7/22 7/31 8/3 8/6 8/12 8/21 8/24 8/27 9/11 9/14 9/20 9/23 9/29 10/2

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-23LIGO1Domestic and International Aerosol Mass by Species20% Best Days (2002)012345678910 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/5 1/8 1/11 1/23 1/26 2/7 3/3 3/18 3/30 4/14 4/26 4/29 10/29 11/4 11/16 11/22 12/7 12/13 12/22 12/25 12/28

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-24LIGO1Domestic and International Aerosol Mass by Species20% Worst Days (2002)05101520253035 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International5/2 5/8 5/17 5/29 6/1 6/19 7/10 7/22 7/25 7/28 7/31 8/3 8/6 8/9 8/12 8/21 8/24 8/27 9/5 9/8 9/11 9/17

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-25MACA1Domestic and International Aerosol Mass by Species20% Best Days (2002)02468101214 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/14 1/23 2/1 2/4 2/13 3/3 3/9 3/24 3/30 4/23 4/26 8/15 9/23 9/26 10/5 10/8 10/14 10/29 11/4 11/19 12/4 12/13 12/22 12/31

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-26MACA1Domestic and International Aerosol Mass by Species20% Worst Days (2002)0510152025303540 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International3/27 5/29 6/1 6/4 6/19 6/22 7/4 7/10 7/16 7/22 7/25 7/31 8/3 8/6 8/12 8/21 8/24 8/27 9/2 9/8 9/11 9/17 9/20 12/7

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-27MING1Domestic and International Aerosol Mass by Species20% Best Days (2002)0510152025 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/14 2/1 2/13 3/3 4/26 5/14 5/17 5/20 6/13 6/16 6/25 7/19 8/15 9/20 9/23 10/5 10/8 10/17 10/29 11/4 12/19 12/22

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-28MING1Domestic and International Aerosol Mass by Species20% Worst Days (2002)051015202530354045 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/20 3/18 4/5 6/7 7/4 7/7 7/10 7/13 7/16 7/25 8/3 8/6 8/9 8/27 8/30 9/2 9/8 9/17 9/29 10/23 11/28 12/7

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-29OKEF1Domestic and International Aerosol Mass by Species20% Best Days (2002)0246810121416 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/11 1/20 2/7 2/28 3/3 4/14 6/19 6/22 6/25 6/28 7/10 8/27 8/30 9/14 9/23 10/2 10/11 12/1 12/10 12/13 12/22 12/25

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-30OKEF1Domestic and International Aerosol Mass by Species20% Worst Days (2002)05101520253035404550 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/17 1/23 2/13 2/25 3/30 4/5 5/2 5/8 6/4 7/7 7/16 7/19 8/6 8/24 9/11 9/17 9/20 10/8 10/23 11/4 12/4 12/7 12/16

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-31ROMA1Domestic and International Aerosol Mass by Species20% Best Days (2002)0510152025303540 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/14 1/23 3/3 3/6 3/9 4/2 4/14 4/17 5/5 6/10 6/19 6/22 6/25 7/10 8/15 8/30 9/2 9/5 9/20 9/23 9/26 10/11 12/19

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltAmm SO4Amm NO3POMLACSoilCMSea SaltL-32ROMA1Domestic and International Aerosol Mass by Species20% Worst Days (2002)0510152025303540 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/17 1/29 2/13 2/16 2/22 4/20 5/2 6/4 6/7 7/1 7/4 7/7 7/16 7/19 7/25 7/31 8/24 9/11 9/14 9/17 10/20 10/23 10/26 12/7

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-33SAMA1Domestic and International Aerosol Mass by Species20% Best Days (2002)0246810121416 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/11 1/14 1/20 2/1 2/7 3/9 3/21 6/7 6/10 6/22 6/25 6/28 7/13 7/25 7/28 8/6 8/12 8/27 9/23 10/29 12/10 12/22

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-34SAMA1Domestic and International Aerosol Mass by Species20% Worst Days (2002)05101520253035 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International2/4 2/13 2/16 2/25 3/30 4/5 4/8 4/17 4/26 5/2 5/5 5/8 5/11 6/4 7/4 7/7 7/16 7/19 9/17 10/17 10/20 10/23 12/7

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-35SHEN1Domestic and International Aerosol Mass by Species20% Best Days (2002)012345678 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/5 1/14 1/23 1/26 2/7 2/19 3/3 3/9 3/18 6/7 7/25 8/9 9/2 9/26 10/11 11/16 12/1 12/4 12/7 12/10 12/13 12/22 12/25

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-36SHEN1Domestic and International Aerosol Mass by Species20% Worst Days (2002)05101520253035404550 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International2/28 5/26 5/29 6/4 6/10 6/13 6/19 6/25 7/1 7/4 7/16 7/19 7/22 7/31 8/3 8/12 8/21 8/24 8/27 9/11 9/14 9/17 9/29 10/2

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-37SHRO1Domestic and International Aerosol Mass by Species20% Best Days (2002)0123456789 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/5 1/8 1/11 1/26 2/7 2/19 3/9 3/12 3/27 3/30 4/14 9/14 9/26 10/26 10/29 11/4 11/16 11/22 12/7 12/10 12/13 12/19 12/25 12/28 12/31

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-38SHRO1Domestic and International Aerosol Mass by Species20% Worst Days (2002)051015202530354045 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International5/8 5/17 6/1 6/4 6/10 6/13 6/19 7/1 7/4 7/7 7/10 7/16 7/22 7/25 7/31 8/3 8/6 8/9 8/12 8/21 9/5 9/8 9/11 9/17 9/23

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-39SIPS1Domestic and International Aerosol Mass by Species20% Best Days (2002)0246810121416 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/11 1/14 1/26 2/1 2/28 3/18 3/30 4/23 4/26 6/16 6/25 6/28 7/31 8/18 9/14 10/29 11/4 12/13 12/22 12/25 12/28

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-40SIPS1Domestic and International Aerosol Mass by Species20% Worst Days (2002)0510152025303540 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International3/21 5/2 5/11 5/23 6/1 6/4 6/10 7/4 7/7 7/10 8/3 8/6 8/9 8/12 9/8 9/11 9/17 9/20 10/11 10/23 12/4 12/7

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-41SWAN1Domestic and International Aerosol Mass by Species20% Best Days (2002)02468101214 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/14 1/26 3/9 4/14 5/5 6/22 6/25 7/13 8/9 8/15 8/30 9/8 9/20 9/26 10/11 10/17 11/10 11/16 11/28 12/1 12/10 12/19 12/25

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-42SWAN1Domestic and International Aerosol Mass by Species20% Worst Days (2002)05101520253035 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/5 2/22 2/25 4/20 4/29 5/2 5/8 5/26 7/4 7/7 7/16 7/19 7/28 7/31 8/21 8/24 9/11 9/17 10/5 10/20 11/22 11/25 12/7

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-43UPBU1Domestic and International Aerosol Mass by Species20% Best Days (2002)02468101214161820 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International1/14 1/26 2/16 3/9 3/30 4/8 4/26 4/29 6/13 6/16 6/25 8/15 9/23 10/5 10/8 10/14 10/17 10/29 11/7 11/19 12/1 12/19 12/31

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-44UPBU1Domestic and International Aerosol Mass by Species20% Worst Days (2002)0102030405060 Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International Domestic International5/8 5/23 6/7 6/19 6/22 6/28 7/10 7/16 7/22 7/25 8/3 8/6 8/9 8/12 8/27 8/30 9/5 9/8 9/11 9/14 9/26 10/23 11/16 11/28

Mass (μg/m

3 )Amm SO4Amm NO3POMLACSoilCMSea SaltL-45