controlled air content controlled air diesel exhaust particle content 2025-05-09T17:22:30Z This is any condition in which the main influencing factor is diesel exhaust particles, a component of ambient air pollution. The level of diesel exhaust particles in the air surrounding an organism or breathed by an organism is determined by environmental conditions, work conditions, or controlled as part of an experiment. XCO:0001619 controlled air DEP content controlled air DPM content controlled air diesel particle content controlled air diesel particulate matter content experimental_condition_ontology slaulederkind