Objective To understand the pollution levels of bromate,coliforms,pseudomonas aeruginosa,nitrite(calculated as NO2-)]of packaged drinking barreled water in Guangxi in 2022.Methods According to the type of water and test items,all pollutions were tested and judged by GB 8538-2016"National standard for food safety Test method for drinking natural mineral water",GB 4789.3-2016"Food safety national standard food Microbiology test Coliform count",GB 5009.33-2016"National standard for food safety Determination of nitrite and nitrate,"GB 19298-2014"Food safety national standard Packaging drinking water",GB 2762-2017"Food safety national standard food Pollutant limits".Results 204 batches of packaged drinking barreled water were collected.Pseudomonas aeruginosa was deteted in 55 batches with a detection rate of 26.96％.Not a single batch exceeded permitted level of bromate,coliform or nitrite.Conclusion Most products are safe,but the pollution of Pseudomonas aeruginosa is still an outstanding problem.Enterprises should strengthen the cleaning and disinfection of pipes and barrels and standardize transportation storage to ensure product safety.
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