sec.307ERZ controller must carry out regular periodic inspections of explosion risk zones

### sec.307 ERZ controller must carry out regular periodic inspections of explosion risk zones The ERZ controller for an ERZ must carry out a regular periodic inspection of the zone. Before carrying out a regular periodic inspection, the ERZ controller must— read the record of the latest regular periodic inspection findings; and acknowledge, in writing, on the record, that the ERZ controller has read the record. (sec.307-ssec.1) The ERZ controller for an ERZ must carry out a regular periodic inspection of the zone. (sec.307-ssec.2) Before carrying out a regular periodic inspection, the ERZ controller must— read the record of the latest regular periodic inspection findings; and acknowledge, in writing, on the record, that the ERZ controller has read the record. - (a) read the record of the latest regular periodic inspection findings; and - (b) acknowledge, in writing, on the record, that the ERZ controller has read the record.