I need help to find out if there is a way of testing toys/clothes/ect. for hazardous residue,chemicals,meth,how do i know if its safe to buy or sell used items?Or how do you clean?Then are they safe?who knows where it came from?Goodwill,sale,or,a tweaker,garbage,store?how do i know its safe? help me?Im in recovery,Life getting better I hope!