Environmental Research Foundation . . P.O. Box 5036, Annapolis, MD 21403 . .
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To subscribe, E-mail the words . . The intruders silently move across the landscape depositing toxic chemicals at thousands of sites around the country. Some of the toxic compounds quickly enter the rivers and underground reservoirs that supply America with drinking water. Other chemicals contaminate our neighborhoods and backyards where our children play. Still others sit like time bombs, destined to contaminate our water supplies after months, years, or even decades.