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至少提前10个立柱,或在达到安全临界浓度时,戴上正压式空气呼吸器 当岩心筒已经打开或当岩心已移走后, 使用移动式硫化氢检测仪来检查岩心筒残留硫化氢情况 在确定大气中硫化氢浓度低于安全临界浓度之前, 人员应继续使用正压式空气呼吸器 采用非抗硫化氢的材料制作的岩样盒搬运和运输含有硫化氢的岩心