gas and particle phase
mass concentration
gas and particle variables
PCB 31
Observed Property
Observation Matrix
PCB 28
Object Of Interest
ACTRIS Vocabulary
variable
Mass concentration means mass per unit volume and is used in the construction mass_ concentration_ of_ X_ in_ Y, where X is a material constituent of Y. "Gas and particle" means a system consisting of both gas and suspended liquid or solid particles in air (except cloud droplets). PCB 28 and PCB 31 is a mixture of two compunds and belongs to the group of persistent organic pollutants known as polychlorinated biphenyls (PCBs).
gas and particle PCB 28 and PCB 31 mass concentration