# Nalco Chemical Co.; Withdrawal of Food Additive Petition
**AGENCY:**
Food and Drug Administration, HHS.
**ACTION:**
Notice.
**SUMMARY:**
The Food and Drug Administration (FDA) is announcing the withdrawal, without prejudice to a future filing, of a food additive petition (FAP 8A4598) proposing that the food additive regulations be amended to provide for the safe use of sodium acrylate/sulfonated styrene copolymer for use as an antiscalant boiler treatment where steam from treated boilers may contact food.
**FOR FURTHER INFORMATION CONTACT:**
Parvin M. Yasaei, Center for Food Safety and Applied Nutrition (HFS-215), Food and Drug Administration, 200 C St. SW., Washington, DC 20204, 202-418-3023.
**SUPPLEMENTARY INFORMATION:**
In a notice published in the *Federal Register* of June 30, 1998 (63 FR 35603), FDA announced that a food additive petition (FAP 8A4598) had been filed by Nalco Chemical Co., One Nalco Center, Naperville, IL 60563. The petition proposed to amend the food additive regulations in § 173.310 *Boiler water additives* (21 CFR 173.310) to provide for the safe use of sodium acrylate/sulfonated styrene copolymer for use as an antiscalant boiler treatment where steam from treated boilers may contact food. Nalco Chemical Co. has now withdrawn the petition without prejudice to a future filing (21 CFR 171.7).
Dated: April 5, 2000.
Alan M. Rulis,
Director, Office of Premarket Approval, Center for Food Safety and Applied Nutrition.