(a) Owing to the high efficiency of diesel engines, the emissions of carbon dioxide, carbon monoxide and hydrocarbons are low in their exhaust gases, but high emissions of nitrogen oxides are also inherently characteristic of the diesel cycle.

(b) The same high combustion temperatures that give high thermal efficiency in the diesel engine are also the most conducive to NOx formation.

(c) Although traditionally not regarded as a pollutant, carbon dioxide has become of increasing concern in recent times through its importance as a 'greenhouse gas' and the unknown consequences for the global climate of the trend of rising carbon dioxide concentration.

(d) Slow speed diesels tend to produce higher NOx emissions than medium speed diesels. Marine sourced emissions can have significant impact on air quality on land, especially in crowded coastal waterways.

(e) Sulphur oxides are the major source of acid rain. They thus have detrimental effects on plant life, vegetation, human respiration and buildings. On the other hand, it has to be stressed that the effect of acid rain on the sea is in most cases negligible. This is because sea water is slightly alkaline.

 (a) The Document of Compliance should be issued by the Administration, by an organization recognized by the Administration or at the request of the Administration, by another Contracting Government to the Convention to any Company complying with the requirements of this Code for a period specified by the Administration which should not exceed five years. Such a document should be accepted as evidence that the Company is capable of complying with the requirements of the Code.

(b) The validity of a Document of Compliance should be subject to annual verification by the Administration or by an organization recognized by the Administration or, at the request of Administration, by another Contracting Government within three months before or after the anniversary date.

 (a) 壓艙水泵在軸封迫緊處洩漏過多。

(b) 在機艙間的火災探測裝置無法運作。

(c) 柴油主機的控制空氣洩漏。

(d) 在艙底水中發現過多的燃油和滑油。

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