5月31日起,北京市开始实施第5阶段车用汽油和柴油标准,即“京Ⅴ标准”。按照新标准,北京市供应油品的硫含量和锰含量等指标都大大降低,成品油罐的清洗作业成为重要一环,它直接影响着上市油品的质量。北京市安全生产监管局借助“京Ⅴ标准”的实行,今年将对2011年4月1日组织实 May 31, Beijing began implementing the fifth phase of gasoline and diesel vehicles standards, that is, “Beijing Ⅴ standard.” According to the new standard, the indexes of sulfur content and manganese content of oil supply in Beijing are greatly reduced. The cleaning operation of finished oil tank has become an important part, which directly affects the quality of listed oil products. Beijing Municipal Bureau of production safety with the “Beijing Ⅴ standard” implementation, this year will be April 1, 2011 Organization