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In page Richard Fuller (environmentalist):

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The organization has developed a metric to provide a basic quantitative evaluation of the risk associated with an identified toxic site, known as the Blacksmith Index.[4] Fuller developed this index in collaboration with Johns Hopkins University.[citation needed]He also developed the Lead Burden Index[5], a way to measure the impact of a particular source of lead, the Rapid Marketplace Survey[6], a means to find sources of lead in markets, and a Homes Assessment tool for houses[7].