There absolutely were radioactive materials at this site - plutonium, strontium, americium. Plutonium was stored and released from RF. There is no safe level of plutonium exposure and the half-life is 24,000 years. I suggest reading the book "Full Body Burden". The declaration of Rocky Flats as a wildlife refuge is a coverup and the real estate developers and business folks who are saying this area is safe, only care about making money.
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