Buffalo, N.Y—The U.S. Occupational Safety and Health Administration has cited New York companies for workplace violations relating to anhydrous ammonia. Sorrento Lactalis Inc., a cheese maker, has been cited for 13 alleged repeat and serious violations at its Buffalo production facility. Sorrento is contesting the citations, denying and strenuously objecting to allegations. In addition, OSHA has cited milk products manufacturer Upstate Niagara Cooperative Inc. for 12 alleged violations of workplace safety standards involving anhydrous ammonia used in the refrigeration system at its Rochester production facility. Fines are proposed in the amount of $299,300.