This is supervisory work directing the investigation of fires and explosions of a suspicious nature. They are often physically removed from their supervisor and subject to only periodic checks. Usually positions that require planning, developing, and coordinating programs and directing fairly large groups of people fall into this category.
Work is of a diversified nature that usually involves multiple unrelated steps.
Analytical thought is necessary for dealing with complex data and situations. Work often involves a variety of unrelated processes and may require planning or carrying out a sequence of actions or both. Several alternatives usually exist at this level for approaching problems or situations. Workers at this level exercise a considerable amount of independent judgment. Work is controlled by occasional review and by reporting to or consultation with supervisors or superiors.