Property:Mass Concentration Gases


 * has type::Quantity
 * display units::g/m³, mg/m³, µg/m³, ng/m³, pg/m³
 * Corresponds to::1 mg/m³, milligrams per cubic metre
 * Corresponds to::0,001 g/m³, grams per cubic metre
 * Corresponds to::1000 µg/m³, mikrograms per cubic metre
 * Corresponds to::1000000 ng/m³, nanograms per cubic metre
 * Corresponds to::1000000000 pg/m³, picograms per cubic metre