▁resid ues ▁may ▁also ▁contain ▁to xic ▁subst ances , ▁such ▁as ▁nit rate . ▁Ex pos ure ▁can ▁come ▁from ▁direct ▁contact , ▁but ▁it ▁can ▁also ▁come ▁off site ▁by ▁the ▁air , ▁from ▁surface ▁or ▁ground water ▁cont am ination , ▁or ▁by ▁the ▁u pt ake ▁of ▁to x ins ▁by ▁plants ▁and ▁animals ▁consum ed ▁by ▁humans . ▁Which ▁route ▁of ▁expos ure ▁is ▁most ▁likely ▁depends ▁on ▁the ▁type ▁of ▁subst ances ▁present , ▁the ▁proxim ity ▁of ▁inhab ited ▁areas ▁and ▁whether ▁una ut hor ized ▁personnel ▁tres pass ▁on ▁the ▁range . ▁Develop ing ▁nations ▁and ▁those ▁in ▁an ▁economic ▁crisis ▁often ▁have ▁a ▁ha ph az ard ▁salv age ▁industry ▁involved ▁in ▁legal ▁and ▁illegal ▁activities . ▁In ▁these ▁areas , ▁bomb ing ▁ranges ▁are ▁sc oured ▁for ▁salv age able ▁met als . ▁Un us ual ▁items , ▁sometimes ▁the ▁most ▁dangerous , ▁are ▁made ▁into ▁" tr ink ets ". ▁The ▁danger ▁is ▁greatly ▁increased ▁when ▁the ▁materials ▁are ▁m elt ed ▁down ▁or ▁worked ▁by ▁hand , ▁expos ing ▁workers ▁to ▁to xic ▁f umes . ▁ ▁See ▁also ▁ ▁Nev ada ▁Test ▁and ▁Training ▁Range ▁ ▁Ch oc olate ▁Mountain ▁Aer ial ▁G unn ery ▁Range ▁ ▁Barry ▁M . ▁Gold water ▁Air ▁Force ▁Range ▁ ▁T act ical ▁bomb ing ▁ ▁References ▁▁▁ ▁Category : B omb s <0x0A> </s> ▁The ▁Be aver ▁M ead ows ▁Rail road ▁& ▁Co al ▁Company ▁was ▁char tered ▁April ▁ 7 ,