工业用途规定了两个等级，不包括焊接、灭火或医疗用途；取样和分析方法见附录。2型适用于食品应用。交叉引用:BS 341:第1BS 349BS 604BS 846BS 1583BS 1792BS 2734BS 3978BS 5045:第1BS 5045:第2BS 5045:第3BS 5045:第5BS 5045:第6BS 5500BS 6535:第1部分分类，危险物质的包装和标签条例1984食品中的混合添加剂条例1980 HSE指导说明CS9液态二氧化碳的散装储存和使用HSE指导说明EH40职业接触限值

Two grades are specified for industrial uses excluding welding, fire extinguishing or medical; methods of sampling and analysis are described in appendices. Type 2 is suitable for food applications.Cross References:BS 341:Part 1BS 349BS 604BS 846BS 1583BS 1792BS 2734BS 3978BS 5045:Part 1BS 5045:Part 2BS 5045:Part 3BS 5045:Part 5BS 5045:Part 6BS 5500BS 6535:Part 1Classification, Packaging and Labelling of Dangerous Substances Regulations 1984Miscellaneous Additives in Food Regulations 1980HSE Guidance Note CS9 Bulk storage and use of liquid carbon dioxideHSE Guidance Note EH40 Occupational exposure limits