File updated 11/26/2003 2:30:29 PM IMPROVE Parameter List: CODE UNIQUE_CODE UNITS NAME TYPE DESCRIPTION AL ALf ug/m3 Aluminum: Fine Particles AS ASf ug/m3 Arsenic: Fine Particles BR BRf ug/m3 Bromine: Fine Particles CA CAf ug/m3 Calcium: Fine Particles Mass of calcium particles < 2.5 um in diameter CHL CHLf ug/m3 Chloride: Fine Particles CL CLf ug/m3 Chlorine: Fine Particles CR CRf ug/m3 Chromium: Fine Particles CU CUf ug/m3 Copper: Fine Particles EC1 EC1f ug/m3 Carbon: Fine elemental (EC1) Particles EC2 EC2f ug/m3 Carbon: Fine elemental (EC2) Particles EC3 EC3f ug/m3 Carbon: Fine elemental (EC3) Particles FE FEf ug/m3 Iron: Fine Particles H Hf ug/m3 Hydrogen: Fine Particles K Kf ug/m3 Potassium: Fine Particles Mass of potassium particles < 2.5 um in diameter MASS MF ug/m3 PM2.5: mass Particles Gravimetric fine mass MASS MT ug/m3 PM10: mass Particles Gravimetric mass < 10 um in diameter MG MGf ug/m3 Magnesium: Fine Particles Mass of magnesium particles < 2.5 um in diameter MN MNf ug/m3 Manganese: Fine Particles MO MOf ug/m3 Molybdenum: Fine Particles N2 N2f ug/m3 Nitrite: Fine Particles NA NAf ug/m3 Sodium: Fine Particles Mass of sodium particles < 2.5 um in diameter NH4 NH4f ug/m3 Ammonium ion: Fine Particles Mass of ammonium particles < 2.5 um in diameter NI NIf ug/m3 Nickel: Fine Particles NO3 NO3f ug/m3 Nitrate: Fine Particles Mass of nitrate particles < 2.5 um in diameter OC1 OC1f ug/m3 Carbon: Fine organic (OC1) Particles OC2 OC2f ug/m3 Carbon: Fine organic (OC2) Particles OC3 OC3f ug/m3 Carbon: Fine organic (OC3) Particles OC4 OC4f ug/m3 Carbon: Fine organic (OC4) Particles OP OPf ug/m3 Carbon: Fine organic (OP) Particles P Pf ug/m3 Phosphorus: Fine Particles PB PBf ug/m3 Lead: Fine Particles RB RBf ug/m3 Rubidium: Fine Particles S Sf ug/m3 Sulfur: Fine Particles SE SEf ug/m3 Selenium: Fine Particles SI SIf ug/m3 Silicon: Fine Particles SO4 SO4f ug/m3 Sulfate: Fine Particles Mass of sulfate particles < 2.5 um in diameter SR SRf ug/m3 Strontium: Fine Particles TI TIf ug/m3 Titanium: Fine Particles V Vf ug/m3 Vanadium: Fine Particles ZN ZNf ug/m3 Zinc: Fine Particles ZR ZRf ug/m3 Zirconium: Fine Particles babs babs 10^-8 m^-1 Light absorption coefficient Optical bext bext Mm-1 Light extinction coefficient Optical bsp bsp Mm-1 Light scattering coefficient Optical AT AT C Air Temperature Meteorology RH RH % Relative Humidity Meteorology Station RH TPINT TPINT C Internal instrument temperature Meteorology Internal temperature as recorded inside instrument SO2 SO2 ug/m3 Sulfur Dioxide Gas F_(NH4)2SO4 F_(NH4)2SO4 % Ammonium sulfate fraction Calculated_agg F_(NH4)2SO4_bext F_(NH4)2SO4_bext % Ammonium sulfate extinction fraction Calculated_agg F_CM_bext F_CM_bext % Coarse mass extinction fraction Calculated_agg F_EC F_EC % Elemental carbon fraction Calculated_agg F_EC_bext F_EC_bext % Elemental carbon extinction fraction Calculated_agg F_NH4NO3 F_NH4NO3 % Ammonium nitrate fraction Calculated_agg F_NH4NO3_bext F_NH4NO3_bext % Ammonium nitrate extinction fraction Calculated_agg F_OMC F_OMC % Organic carbon fraction Calculated_agg F_OMC_bext F_OMC_bext % Organic carbon extinction fraction Calculated_agg F_SOIL F_SOIL % Fine soil fraction Calculated_agg F_SOIL_bext F_SOIL_bext % Fine soil extinction fraction Calculated_agg SVR SVR km Standard Visual Range Calculated_agg (NH4)2SO4 ammSO4f ug/m3 Ammonium sulfate: Fine Calculated (NH4)2SO4_bext ammSO4f_bext Mm-1 Ammonium sulfate extinction: Fine Calculated aerosol_bext aerosol_bext Mm-1 Aerosol extinction Calculated CM_bext CM_bext Mm-1 Coarse mass extinction Calculated dv dv deciview Calculated EC ECf ug/m3 Carbon: Fine total elemental Calculated From TOR carbon fractions (E1+E2+E3-OP) EC_bext ECf_bext Mm-1 Elemental carbon extinction: Fine Calculated fRH fRHgrid Relative Humidity Factor Calculated Climatological average RH from EPA MASS CM_calculated ug/m3 PM2.5-10: mass Calculated Calculated coarse mass NH4NO3 ammNO3f ug/m3 Ammonium Nitrate: Fine Calculated NH4NO3_bext ammNO3f_bext Mm-1 Ammonium nitrate extinction: Fine Calculated OC OCf ug/m3 Carbon: Fine total organic (OC) Calculated OMC OMCf ug/m3 Carbon: Fine organic mass (1.4*OC) Calculated 1.4 * OC OMC_bext OMCf_bext Mm-1 Organic carbon extinction: Fine Calculated RCFM RCFM ug/m3 Reconstructed Fine Mass Calculated RCTM RCTM ug/m3 Reconstructed Total Mass Calculated RH RHgrid % Relative Humidity Calculated SOIL SOILf ug/m3 Soil: Fine Calculated SOIL_bext SOILf_bext Mm-1 Soil extinction: Fine Calculated