lacors phls co ordinated food liaison group studies the microbiological examination of open ready to eat prepared salad vegetables from catering and retail premises sk sagoo cl little rt mitchell environmental surveillance unit 61 colindale avenue london nw9 5eq on behalf local authorities body regulatory services public health laboratory service summary during september october 2001 a study or was undertaken determine their quality focused those which were unwrapped handled either by staff customers in where sample taken areas customer self bars revealed that most 97 2862 2950 satisfactory acceptable 3 87 unsatisfactory 1 unacceptable due presence listeria monocytogenes at 840 cfu g results escherichia coli levels range 102 105 pathogens e o157 salmonella spp campylobacter not detected any samples examined
