Glossary of Environement, Safety and Health Terms

DOE-HDBK-XXXX-2005

06/30/2005

2. GLOSSARY OF ENVIRONMENT, SAFETY AND HEALTH TERMS

ABSORBED DOSE (D). The energy absorbed by matter from ionizing radiation per unit

mass of irradiated material at the place of interest in that material. The absorbed dose is

expressed in units of rad (or gray) (1 rad = 0.01 gray). [10 CFR 835.2]

ACCELERATOR. A device employing electrostatic or electromagnetic fields to impart

kinetic energy to molecular, atomic or sub-atomic particles and, for purposes of this

Order [DOE 5480.25], capable of creating a radiological area as defined in Title 10 Code

of Federal Regulations Part 835 (10 CFR 835). [DOE 0 5480.25 cancelled, DRAFT

DOE G 420.2-X]

ACCELERATOR FACILITY. The accelerator and associated plant and equipment

utilizing, or supporting the production of, accelerated particle beams to which access is

controlled to protect the safety and health of persons. It includes injectors, targets, beam

dumps, detectors, experimental halls, experimental enclosures and experimental

apparatus utilizing the accelerator, regardless of where that apparatus may have been

designed, fabricated, or constructed. [10 CFR Part 830, "Nuclear Safety Management "

is not applicable to accelerators and their operations] [DOE O 5480.25 cancelled,

DRAFT DOE G 420.2-X]

ACCELERATOR READINESS REVIEW (ARR). A structured method for verifying

that hardware, personnel, and procedures associated with commissioning or routine

operation are ready to permit the activity to be undertaken safely. [DOE 0 5480.25

cancelled, DRAFT DOE G 420.2-X]

ACCELERATOR SAFETY ENVELOPE (ASE). A set of physical and administrative

conditions that define the bounding conditions for safe operation at an accelerator

facility. [DOE O 5480.25 cancelled, DRAFT DOE G 420.2-X]

ACCEPTABLE. When applied to fire safety, "acceptable" is a level of protection which

the Authority Having Jurisdiction, after consultation with the cognizant DOE fire

protection engineer(s), considers sufficient to achieve the fire and life safety objectives

defined in DOE Orders. In some instances, it is the level of protection necessary to meet

a code or standard. In other instances it is a level of protection that deviates (plus or

minus) from a code or standard as necessary and yet adequately protects against the

inherent fire hazards. [DOE-STD-1066-97]

DRAFT