TY - CHAP A1 - Watson, J G A1 - Chow, J C T1 - Receptor models for source apportionment of suspended particles. Y1 - 2007/03/ N1 - R831086 IS - Chapter 8 SP - 273 EP - 298 ER - TY - JOUR A1 - Chen, L W A1 - Watson, J G A1 - Chow, J C A1 - Magliano, K L T1 - Quantifying PM2.5 source contributions for the San Joaquin Valley with multivariate receptor models. Y1 - 2007/04/15 N1 - R831086 N1 - R832156 VL - 41 IS - 8 SP - 2818 EP - 2826 ER - TY - JOUR A1 - Chow, J C A1 - Watson, J G A1 - Feldman, H J A1 - Nolen, J E A1 - Wallerstein, B A1 - Hidy, G M A1 - Lioy, P J A1 - McKee, H A1 - Mobley, D A1 - Baugues, K A1 - Bachmann, J D T1 - Will the circle be unbroken: a history of the U..S. National Ambient Air Quality Standards. Y1 - 2007/10/ N1 - R831086 VL - 57 IS - 10 SP - 1151 EP - 1163 ER - TY - JOUR A1 - Chow, J C A1 - Watson, J G A1 - Chen, L A1 - Rice, J A1 - Frank, N H T1 - Quantification of PM2.5 organic carbon sampling artifacts in US networks. Y1 - 2010/06/15 N1 - R831086 VL - 10 IS - 12 SP - 5223 EP - 5239 ER - TY - JOUR A1 - Chow, J C A1 - Watson, J G A1 - Robles, J A1 - Wang, X A1 - Chen, L W A1 - Trimble, D L A1 - Kohl, S D A1 - Tropp, R J A1 - Fung, K K T1 - Quality assurance and quality control for thermal/optical analysis of aerosol samples for organic and elemental carbon. Y1 - 2011/12/ N1 - R831086 JF - ANALYTICAL AND BIOANALYTICAL CHEMISTRY VL - 401 IS - 10 SP - 3141 EP - 3152 ER - TY - JOUR A1 - Watson, J G A1 - Chow, J C A1 - Chen, L A1 - Frank, N T1 - Methods to assess carbonaceous aerosol sampling artifacts for IMPROVE and other long-term networks. Y1 - 2009/08/ N1 - R831086 JF - AIR & WASTE MANAGEMENT ASSOCIATION VL - 59 IS - 8 SP - 898 EP - 911 ER - TY - CONF A1 - Chow, J C A1 - Watson, J G T1 - Differences among thermal/optical organic and elemental carbon analysis methods for ambient aerosols. Y1 - 2003/09/1 N1 - R831086 ER - TY - CONF A1 - Chow, J C A1 - Watson, J G A1 - Chen, L A1 - Paredes-Miranda, G A1 - Chang, M C T1 - Methods to calibrate and audit thermal/optical carbon analyzers for visibility studies. Y1 - 2004/10/28 N1 - R831086 ER - TY - CONF A1 - Chow, J C T1 - Examining comparability between thermal/optical elemental carbon and time-integrated light-absorption measurements. Y1 - 2005/04/19-21 N1 - R831086 ER - TY - CONF A1 - Chow, J C A1 - Watson, J G A1 - Park, K T1 - Equivalence of continuous and integrated carbon measurements. Y1 - 2005/08/2-4 N1 - R831086 ER - TY - CONF A1 - Chow, J C A1 - Watson, J G T1 - Worldwide differences among measurements of organic and elemental carbon: implications for climate studies. Y1 - 2005/05/3-6 N1 - R831086 ER - TY - CONF A1 - Fung, K A1 - Chow, J C A1 - Watson, J G T1 - Evaluation of pyrolysis correction by reflectance and transmittance in thermal optical OC/EC analysis techniques. Y1 - 2004/04/19-22 N1 - R831086 ER - TY - CONF A1 - Lowenthal, D A1 - Elzanan, H A1 - Zielinska, B A1 - Chow, J C A1 - Kumar, N T1 - The organic mass/organic carbon ratio in IMPROVE samples. Y1 - 2004/10/28 N1 - R831086 ER -