Variable
elemental_carbon_pm10_amean
elemental_carbon_pm25_amean
elemental_carbon_pm10_uncertainty
elemental_carbon_pm25_uncertainty
organic_carbon_pm10_amean
organic_carbon_pm25_amean
organic_carbon_pm10_uncertainty
organic_carbon_pm25_uncertainty
pm10_mass
total_carbon_pm10_amean
total_carbon_pm25_amean
total_carbon_pm10_uncertainty
total_carbon_pm25_uncertainty