For the purpose of this section:

Authorized person. Any person specifically authorized by the employer whose duties require the person to enter a regulated area, or any person entering such an area as a designated representative of employees for the purpose of exercising the opportunity to observe monitoring and measuring procedures under WAC 296-62-20025.

Beehive oven. A coke oven in which the products of carbonization other than coke are not recovered, but are released into the ambient air.

Coke oven. A retort in which coke is produced by the destructive distillation or carbonization of coal.

Coke oven battery. A structure containing a number of slot-type coke ovens.

Coke oven emissions. The benzenesoluble fraction of total particulate matter present during the destructive distillation or carbonization of coal for the production of coke.

Director. The director of the department of labor and industries or their authorized representative.

Emergency. Any occurrence such as, but not limited to, equipment failure which is likely to, or does, result in any massive release of coke oven emissions.

Existing coke oven battery. A battery in operation or under construction on January 20, 1977, and which is not rehabilitated.

Green push. Coke which when removed from the oven results in emissions due to the presence of unvolatized coal.

Pipeline charging. Any apparatus used to introduce coal into an oven which uses a pipe or duct permanently mounted onto an oven and through which coal is charged.

Rehabilitated coke oven battery. A battery which is rebuilt, overhauled, renovated, or restored such as from the pad up, after January 20, 1977.

Sequential charging. A procedure, usually automatically timed, by which a predetermined volume of coal in each larry car hopper is introduced into an oven such that no more than two hoppers commence or finish discharging simultaneously although, at some point, all hoppers are discharging simultaneously.

Stage charging. A procedure by which a predetermined volume of coal in each larry car hopper is introduced into an oven such that no more than two hoppers are discharging simultaneously.