(a) Definition. Liquid or gel cleaning agents used on high temperature cooking surfaces such as barbeques, smokers, grills, stoves, and ovens to soften and loosen charred food, grease, and residue.

(b) Minimum biobased content. The Federal preferred procurement product must have a minimum biobased content of at least 66 percent, which shall be based on the amount of qualifying biobased carbon in the product as a percent of the weight (mass) of the total organic carbon in the finished product.

(c) Preference compliance date. No later than July 23, 2012, procuring agencies, in accordance with this part, will give a procurement preference for qualifying biobased oven and grill cleaners. By that date, Federal agencies that have the responsibility for drafting or reviewing specifications for items to be procured shall ensure that the relevant specifications require the use of biobased oven and grill cleaners.