Glossary

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ON-SITE LABS:

Laboratories capable of running analytical tests on-site as work is being performed.

OPERATION AND MAINTENANCE (O&M):

The activities conducted at a site, following remedial actions, to ensure that the cleanup methods are working properly. O&M activities are conducted to maintain the effectiveness of the remedy and to ensure that no new threat to human health or the environment arises. Under the Superfund program, the state or PRP assumes responsibility for O&M, which may include such activities as groundwater and air monitoring, inspection and maintenance of the treatment equipment remaining on site, and maintenance of any security measures or institutional controls. 

OPERATOR:

Any person in control of, or having responsibility for the daily operation of a UST containing petroleum.

OSHA EQUIPMENT:

Equipment required to protect worker health and safety by the occupational safety and health administration.

OWNER:

The owner of an underground storage tank containing petroleum. Includes any person who has legal title to a UST and any owner of real property who is a de facto owner of a UST located on such property.