作者: California. Department of Public Health
DOI: 10.1080/00022470.1969.10466552
关键词:
摘要: In at least some urban areas, population exposure to elevated atmospheric lead levels is associated with increased blood lead. No reasonable alternative explanation exists other than that the of pollution are causing storage in body. The study body burdens U. S. populations indicates an increasing concentration age liver, spleen, pancreas, kidney, and lung. such increase found samples residents from foreign countries. effect on porphyrin metabolism urgent need investigation. Higher may interfere hemoglobin synthesis. Using WHO categories for air quality guides (criteria), a level I criterion two micrograms per cubic meter long-term average can be proposed. It would apply largely derived motor vehicular sources.