▁site . ▁In ▁ 2 0 1 0 , ▁there ▁were ▁two ▁fir ms ▁left ▁standing , ▁with ▁under ▁sevent y ▁employees . ▁Much ▁of ▁the ▁structure ▁had ▁been ▁st olen ▁for ▁its ▁sc rap ▁iron , ▁and ▁what ▁was ▁still ▁function ing ▁was ▁under ▁frequent ▁threat ▁from ▁metal ▁th ieves . ▁The ▁sc rap ▁iron ▁would ▁be ▁sorted ▁and ▁sold ▁on ▁land ▁that ▁was ▁part ▁of ▁the ▁works . ▁ ▁Effect s ▁of ▁the ▁closure ▁on ▁the ▁town ▁included ▁elev ated ▁un emp loyment ▁and ▁poll ution , ▁although ▁efforts ▁were ▁under way ▁to ▁clean ▁up ▁part ▁of ▁the ▁site . ▁In ▁the ▁works ' ▁he yd ay , ▁the ▁furn aces ▁would ▁emit ▁dark ▁exhaust ▁that ▁black ened ▁the ▁sky ▁above ▁C ă lan ▁and ▁the ▁co ke ▁od or ▁made ▁the ▁air ▁difficult ▁to ▁bre at he . ▁In ▁September ▁ 1 9 8 2 , ▁the ▁waters ▁of ▁the ▁St rei ▁changed ▁color , ▁with ▁hundreds ▁or ▁perhaps ▁thousands ▁of ▁dead ▁fish ▁floating ▁in ▁them . ▁This ▁was ▁caused ▁by ▁excess ive ▁dump ing ▁of ▁to x ins ▁from ▁the ▁works , ▁and ▁somewhat ▁unus ually ▁given ▁the ▁c ensor ship ▁in ▁Commun ist ▁Roman ia , ▁was ▁mentioned ▁later ▁that ▁year ▁in ▁F lac ă ra . ▁ ▁Four ▁ 1 8 7 0 s ▁structures ▁associated ▁with ▁the ▁works ▁are ▁class ified ▁as ▁historic ▁monuments ▁by ▁Roman ia ' s ▁Culture ▁Ministry : ▁the ▁original ▁works ▁themselves , ▁their ▁archive , ▁their ▁guest house ▁and ▁the ▁workers