ate ▁the ▁use ▁of ▁non to xic ▁project iles ▁especially ▁when ▁hunting ▁water f ow l . ▁It ▁has ▁been ▁found ▁that ▁birds ▁sw allow ▁small ▁lead ▁shot ▁for ▁their ▁g izz ards ▁to ▁gr ind ▁food ▁( as ▁they ▁would ▁sw allow ▁p eb bles ▁of ▁similar ▁size ), ▁and ▁the ▁effects ▁of ▁lead ▁poison ing ▁by ▁constant ▁gr inding ▁of ▁lead ▁pel lets ▁against ▁food ▁means ▁lead ▁poison ing ▁effects ▁are ▁magn ified . ▁Such ▁concerns ▁apply ▁primarily ▁to ▁shot g uns , ▁firing ▁pel lets ▁( shot ) ▁and ▁not ▁bul lets , ▁but ▁there ▁is ▁evidence ▁suggesting ▁that ▁consumption ▁of ▁spent ▁rif le ▁and ▁p istol ▁am mun ition ▁is ▁also ▁ha z ard ous ▁to ▁wild life . ▁Red u ction ▁of ▁ha z ard ous ▁subst ances ▁( Ro HS ) ▁legisl ation ▁has ▁also ▁been ▁applied ▁to ▁bul lets ▁on ▁occasion ▁to ▁reduce ▁the ▁impact ▁of ▁lead ▁on ▁the ▁environment ▁at ▁shooting ▁ranges . ▁United ▁States ▁Environment al ▁Prote ction ▁Agency ▁announced ▁that ▁the ▁ag ency ▁does ▁not ▁have ▁the ▁legal ▁authority ▁to ▁reg ulate ▁this ▁type ▁of ▁product ▁( le ad ▁bul lets ) ▁under ▁the ▁To xic ▁Sub st ances ▁Control ▁Act ▁( TS CA ), ▁nor ▁is ▁the ▁ag ency ▁seeking ▁such ▁authority . ▁▁ ▁With ▁some ▁non to xic ▁shot , ▁e . g ., ▁steel ▁shot , ▁care ▁must ▁be ▁taken ▁to ▁shoot ▁only ▁in ▁shot g uns ▁( and ▁with ▁ch okes ) ▁specifically ▁designed ▁and ▁designated ▁for ▁steel ▁shot