وفيما يتعلق بمنع الضرر البيئي والتعويض عنه، تسري العبارة على أي شخص يتولى توجيه تشغيل نشاط ما، بمن في ذلك حامل تصريح أو تفويض بالاضطلاع بهذا النشاط و/أو الشخص الذي يسجل هذا النشاط أو يُخطِر به.
It was suggested that the term “operator” could be used to describe the person in “command and control”. It was further suggested that the operator of the activity should be primarily liable since the operator was the person who carried out an activity and was practically responsible all the way.