On the regulation of (MRL) Maximum Residue Levels for Pesticides in or on food and feed of plant and animal:
I think European Union and Japan really did a good job on that.
It is really dilemma to the using of the Pesticides: Some "Environmental-concern" people always want to Pesticides free in all everything. Some"Profit-oriented" always try to use all high efficient Pesticides without caring the impact.
As for me, European Union and Japan: from the regulation view, they are good example for USA and China.
http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2008:058:0001:0398:EN:PDF