▁is ▁on ▁replacing ▁high ▁fr iction ▁surfaces ▁such ▁as ▁windows ▁or ▁doors . ▁ ▁W alls ▁that ▁have ▁significant ▁amounts ▁of ▁lead ▁and ▁are ▁dam aged ▁are ▁also ▁el ig ible ▁for ▁repair . ▁ ▁Le ad ▁is ▁most ▁commonly ▁found ▁in ▁one ▁of ▁two ▁ways : ▁As ▁lead ▁dust ▁In ▁paint ▁and ▁other ▁coat ings ▁Le ad ▁dust ▁is ▁detected ▁by ▁taking ▁samples ▁in ▁the ▁form ▁of ▁dust ▁w ipes ▁from ▁surfaces ▁such ▁as ▁flo ors ▁and ▁window ▁s ills . ▁ ▁The ▁samples ▁are ▁then ▁tested ▁by ▁a ▁labor atory ▁that ▁particip ates ▁in ▁the ▁Environment al ▁Prote ction ▁Agency ' s ▁National ▁Le ad ▁Labor atory ▁Acc red itation ▁Program ▁( N LL AP ). ▁ ▁Read ings ▁from ▁the ▁walls ▁and ▁other ▁surfaces ▁are ▁collected ▁on ▁site ▁with ▁an ▁X - ray ▁flu ores c ence ▁( X R F ) ▁device ▁and ▁are ▁analyz ed ▁later . ▁ ▁The ▁X R F ▁device ▁allows ▁the ▁program ▁to ▁detect ▁lead ▁in ▁coat ings ▁even ▁if ▁it ▁has ▁since ▁been ▁painted ▁over . ▁ ▁If ▁lead ▁ha z ards ▁are ▁found ▁to ▁be ▁present ▁in ▁the ▁home ▁then ▁the ▁home ▁moves ▁into ▁the ▁ab at ement ▁process . ▁ ▁Ab at ement ▁Once ▁the ▁lead ▁and ▁safety ▁ha z ards ▁of ▁the ▁home ▁have ▁been ▁ass essed , ▁a ▁scope ▁of ▁work ▁is ▁created . ▁The ▁program ▁organ izes ▁a ▁walk through ▁of ▁the ▁house ▁with ▁multiple ▁ab at ement ▁contract ors , ▁who ▁are ▁el ig ible ▁for ▁the