本国际标准规定了为将污染空气稀释到允许的职业接触限值范围内，驾驶内燃机车辆的船舶货舱所需室外空气理论量的计算方法。 附录A规定了在船舶货舱内驾驶内燃机车辆的废气中污染物含量的平均值。 附录B提供了关于船舶货舱通风良好实践的一般信息和指南，其中可能会驾驶装有内燃机的车辆。 本国际标准的使用者应注意，在遵守本标准要求的同时，他们应确保遵守适用于相关船舶的法定要求、规则和条例。用户还应参考国际海事组织（IMO）在海事安全委员会第729号通告（MSC Circ.729）中制定的指南，滚装货舱通风系统指南和建议。

This International Standard specifies methods of calculating the theoretical quantity of outdoor air required in cargo spaces of ships where vehicles with internal combustion engines are driven, in order to dilute the polluted air to within the permitted occupational exposure limits. Annex A specifies average values of the amounts of pollutants in exhaust gases from vehicles with internal combustion engines driven in cargo spaces in ships. Annex B gives general information and guidance as to good practice for the ventilation of cargo spaces in ships where vehicles with internal combustion engines may be driven. Users of this International Standard should note that, while observing the requirements of the standard, they should at the same time ensure compliance with such statutory requirements, rules, and regulations as may be applicable to the individual ship concerned. Users should also refer to guidelines developed by the International Maritime Organization (IMO) contained in the Maritime Safety Committee Circular 729 (MSC Circ. 729), Guidelines and Recommendations for Ventilation systems in RO-RO Cargo Spaces.