As indicated hereinbefore,the range of organic compounds for which the invention is believed effective is broad and includes compounds such as carbon disulphide, ethylene glycol, polychlorinated biphenyls (PCBs), polychlorinated dibenzo furans (PCBFS) and polychlorinated dibenzodioxins (PCDDs), pesticides, oils, wood preservatives, pulp and paper bleaching compounds and the like.