coal ash subgroup of ash, 10 assertions
HasA 5
mercury 0.72
arsenic 0.66
lead 0.51
chromium 0.42
selenium 0.29
HasProperty 2
dangerous 0.59
more radioactive than n… 0.25
IsA 1
residual product 0.25
ReceivesAction 2
disposed 0.57
stored 0.29