The identified options are as follows:
• Option 1: do-nothing: keeping the Directive as it is;
• Option 2: introduce certain more stringent standards, especially for heavy metals, standards for some organics and pathogens, and more stringent requirements on the application, sampling and monitoring of sludge;
• Option 3: introduce more stringent standards across all substances and bans on application of sludge to some crops;
• Option 4: total ban on the use of sludge on land; and
• Option 5: repeal of the Directive.

More details are available here: http://www.ciwm.co.uk/mediastore/FILES/18404.pdf