适用于二氧化硫浓度超过30 mg/m^3且采样周期为30分钟的气体。适用于燃烧设施和工艺过程排放的三氧化硫和硫酸含量可忽略不计。交叉引用:BS 1756:第1BS 3978ISO 6879部分购买时可用的所有当前修订版均包含在本文件的购买中。

Applicable to gas concentrations of sulphur dioxide above 30 mg/m^3 with a sampling period of 30 minutes. Applicable to emissions from combustion facilities and technical processes with negligible amounts of sulphur trioxide and sulphuric acid.Cross References:BS 1756:Part 1BS 3978ISO 6879All current amendments available at time of purchase are included with the purchase of this document.