1. School air quality: pollutants, monitoring and toxicity.- 2. Organic contaminants from industrial wastewaters: identification, toxicity and fate in the environment.- 3. Fly ash pollutants, treatment and recycling.- 4. Organotin compounds from snails to humans.- 5. Surfactants: chemistry, toxicity and remediation.- 6. Cadmium, lead, thallium: occurrence, neurotoxicity and histopathological changes of the nervous system.- 7. Lead, arsenic, cadmium, mercury: occurrence, toxicity and diseases.- 8. Plants as monitors of lead air pollution.- 9. Carcinogenic nitrosamines: remediation by zeolites.- 10. Dioxins and furans: sources, impacts and remediation.