Definition. (1) Products that are designed to clean and remove grease, oil, dirt, stains, soils, and rust from metal surfaces.

Metal cleaners and corrosion removers for which Federal preferred procurement applies are:

Corrosion removers. Products that are designed to remove rust from metal surfaces through chemical action.

Stainless steel cleaners. Products that are designed to clean and remove grease, oil, dirt, stains, and soils from stainless steel surfaces.

Other metal cleaners. Products that are designed to clean and remove grease, oil, dirt, stains, and soils from metal surfaces other than stainless steel.

Minimum biobased content. The minimum biobased content for all metal cleaners and corrosion removers 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. The applicable minimum biobased contents for the Federal preferred procurement products are:

Corrosion removers—71 percent.

Stainless steel cleaners—75 percent.

Other metal cleaners—56 percent.

Preference compliance date. No later than June 11, 2014, procuring agencies, in accordance with this part, will give a procurement preference for qualifying biobased metal cleaners and corrosion removers. By that date, Federal agencies that have the responsibility for drafting or reviewing specifications for products to be procured shall ensure that the relevant specifications require the use of biobased metal cleaners and corrosion removers.