organic substance(Chemical compounds, based on carbon chains or rings and also containing hydrogen with or without oxygen, nitrogen, or other elements)
legal form of organisations(The type, structure or purpose of an institution as arranged, required and defined by local or national laws to determine the appropriate governmental regulations, privileges and tax status applicable to that institution)
accidental release of organisms(Genetically engineered organisms that are released in the environment by mistake; once released they may exhibit some previously unknown pathogenicity, might take over from some naturally occurring bacteria (possibly having other positive functions which thus are lost) or pass on some unwanted trait to such indigenous bacteria. There is also concern that an uncontrolled genetic mutation could produce a form with hazardous consequences for the environment)