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Table 2 Environmental history self-reported by survey participants.

From: Development of risk maps to minimize uranium exposures in the Navajo Churchrock mining district

Environmental History Percent reporting behavior Median contact years of potential exposure
Lived near a uranium mine: "Near" = downwind, along a road to, in a floodplain of, or within two miles. 40 30
Lived near a uranium mill: "Near" = downwind, along a road to, in a floodplain of, or within two miles. 16 28
Played on a tailings pile or waste dump 20 8
Played outdoors near or next to a uranium mine, mill, or waste dump 18 15
Drinking, wading, or contact with mine water or waste spills 30 5.5
Herding livestock on or next to a uranium mine, mill, or waste dump 25 10
Sheltering livestock in an abandoned mine 4 2
Living in a mining camp 5 7.5
Washing or handling clothes of a friend or family member who was a uranium worker 29 3
Used materials from an abandoned uranium mine or mill for any purpose 28 15
  1. * Not all participants recalled a contact time. Value reported is median of participants who reported a contact time.