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coal ash (subgroup of ash) → HasA → mercury	0.72
coal ash (subgroup of ash) → HasA → arsenic	0.66
coal ash (subgroup of ash) → HasProperty → dangerous	0.59
coal ash (subgroup of ash) → ReceivesAction → disposed	0.57
coal ash (subgroup of ash) → HasA → lead	0.51
coal ash (subgroup of ash) → HasA → chromium	0.42
coal ash (subgroup of ash) → HasA → selenium	0.29
coal ash (subgroup of ash) → ReceivesAction → stored	0.29
titanium → AtLocation → coal ash	0.28
coal ash (subgroup of ash) → HasProperty → more radioactive than nuclear waste	0.25
coal ash (subgroup of ash) → IsA → residual product	0.25
toxin → AtLocation → coal ash	0.19