Santee Dairies Inc. of City of Industry, Calif., announced the voluntary removal from distribution of Knudsen®, Swiss®, Stater Bros. and Sunkist® Orange Juice from Concentrate in 16 oz. plastic bottles, coded JUL 23 and earlier due to suspected product contamination. The distribution of this product was limited to Southern California.There have been two instances where consumers detected and reported possible product contamination. Santee Dairies has elected to remove the product from distribution, amounting to approximately 670,000 bottles.Consumers having any bottles of these products should return them to the place of purchase for a refund.Santee Dairies produces the Sunkist brand product for Olympic Foods Inc. of Spokane, Wash. Olympic Foods is a trademark licensee of Sunkist Growers of Sherman Oaks, Calif.No other products of Santee Dairies, Olympic Foods or Sunkist Growers are involved.