In the heavy truck depot scenario, what specific local health effect was observed among children nearest the fence line exposed to diesel particulate matter?
Answer
A statistically significant increase in emergency room visits for pediatric asthma attacks.
The scenario involving a 24/7 heavy truck depot illustrates a direct linkage between a localized source of air contamination—diesel particulate matter—and a measurable negative health outcome. The sharp drop-off in this specific outcome (pediatric asthma ER visits) as distance from the exhaust plumes increases confirms that the effect is highly localized and directly driven by that singular environmental input.
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