May/june food protection trends 154 A Robust Market Withdrawal System Can Reduce Your Product Recall Costs features 161 Food Recall System Effectiveness: Industry and Government Perspectives within Canada 170 A Comparison of Urethane and Cellulose Sponges as Cleaning Tools in Household Kitchens 176 Setting HACCP Critical Limits for the Precooking CCP of Commercially Processed Tuna 190 Beyond the Bio Fred Weber 193 Food Law PDG 218 General Interest Paper Prevention of Hepatitis A through Food Handler Immunization 228 Industry Products 232 Coming Events 207 I a F P 201 7 S P e C Ia L S eC T I O n May/June Food Protection Trends 147