(a) Definition. Chemical products (e.g., salts, fluids) that are designed to aid in the removal of snow and/or ice, and/or in the prevention of the buildup of snow and/or ice, by lowering the freezing point of water.

(b) Minimum biobased content. The preferred procurement product must have a minimum biobased content of at least 93 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 dates. No later than July 6, 2020, procuring agencies, in accordance with this part, will give a procurement preference for qualifying biobased de-icers. By that date, Federal agencies responsible for drafting or reviewing specifications for products to be procured shall ensure that the relevant specifications require the use of biobased de-icers.