▁was ▁detected ▁in ▁one ▁of ▁these ▁samples , ▁and ▁the ▁presence ▁of ▁d init rot olu ene ▁( D NT ) ▁was ▁also ▁detected . ▁This ▁has ▁led ▁to ▁claims ▁that ▁the ▁explos ive ▁used ▁could ▁have ▁been ▁Tit ad ine . ▁However , ▁also ▁detected ▁in ▁the ▁same ▁sample ▁was ▁di but yl ▁ph th al ate ▁( DB P ), ▁which ▁is ▁a ▁component ▁of ▁G oma ▁ 2 ▁E CO ▁but ▁not ▁of ▁tit ad ine . ▁Several ▁other ▁samples ▁from ▁the ▁explos ion ▁sites ▁also ▁revealed ▁the ▁joint ▁presence ▁of ▁D NT ▁and ▁DB P . ▁Test s ▁were ▁carried ▁out ▁on ▁a ▁sample ▁of ▁Tit ad ine . ▁In ▁addition ▁the ▁presence ▁of ▁nit rog ly cer ine ▁and ▁D NT ▁was ▁also ▁detected ▁in ▁samples ▁of ▁G oma ▁ 2 ▁E CO ▁that ▁had ▁been ▁recovered ▁from ▁sites ▁associated ▁with ▁the ▁bomb ings . ▁ ▁The ▁discovery ▁of ▁these ▁different ▁components ▁led ▁to ▁suggestions ▁that ▁there ▁could ▁have ▁been ▁some ▁accident al ▁cont am ination ▁of ▁the ▁samples ▁and ▁explos ive ▁remains , ▁although ▁a ▁definit ive ▁cause ▁of ▁such ▁cont am ination ▁has ▁not ▁been ▁established . ▁Ent ire ▁cart rid ges , ▁or ▁partial ▁remains ▁of ▁cart rid ges , ▁of ▁G oma ▁ 2 ▁E CO ▁were ▁recovered ▁from ▁the ▁a partment ▁in ▁Leg an és ▁where ▁ 7 ▁suspect s ▁of ▁the ▁bomb ings ▁died ▁following ▁an ▁explos ion , ▁the ▁only ▁un expl oded ▁bomb , ▁a ▁Ren ault ▁K ang oo