ALARA Flashcards
While performing work activities under differing radiological conditions, IDENTIFY the appropriate work techniques for minimizing exposure to radiation and radioactive materials.
Some examples of Engineering Controls include filtered ____ systems to remove contamination from the work area.
ventilation
Some examples of Engineering Controls include the use of _____ devices to reduce risk of hazards.
containment
Some examples of Engineering Controls include installing ____ ____ for dose rate reduction.
temporary shielding
Some examples of Administrative Controls include requiring the use of _____ reviews & ___ radiological jobs.
ALARA / pre-planning
Some examples of Administrative Controls include establishing ____ levels commensurate with jobs of significant radiological importance.
trigger
Some examples of Administrative Controls include requiring radiological ____ at critical points to verify the radiological conditions.
surveys
The objective of the DOE/Hanford Site ALARA Program is to _____ & _____ exposure from hazards to humans & the environment to levels that are ALARA.
manage & control
Radiation exposure of the workforce & public shall be controlled such that: (1) radiation exposures are well below _____ limits and (2) there is no occupational radiation exposure w/o an expected _____.
regulatory / benefit
The purpose of an ALARA review is to ____ jobs and to identify and _____ ALARA techniques which can be used to help reduce the overall exposure during the job.
examine / implement
An ALARA review looks at each job to be performed for the following: Determine if the job has been ____ ____. Assures ____ are identified and work _____ implement ALARA.
done before / hazards / controls
An ALARA review looks at each job to be performed for the following: Reviews & ____ ALARA practices that were successful. Evaluates pre-job considerations, controls & collective ____ ____.
documents / dose estimates
Some ALARA techniques that might be implemented include: using _____ for practice and performing ____ & dry runs.
mock-ups / walk-downs
Pre-job briefings should include: the ____ of work to be performed, current radiological ____, procedural & work _____ requirements.
scope / conditions / permit
Pre-job briefings should include: Radiological Control ____ Points, radiological _____ conditions, void levels & ____ levels if established.
Hold / limiting / action
Pre-job briefings should include: communications & _____ w/ other groups, provisions for ____ & final cleanup, contingency & _____ preparedness.
coordination / housekeeping / emergency
A ____ ____ is a cautionary step in a work document that requires the controlling organization to perform some action or verification during work.
Hold Point
A Radiological Control Hold Point is a _____ step in a work doc that requires the _____ organization to perform some action/verification & a _____ verifying the condition has been met.
cautionary / controlling / signature
When reaching a RCHP, you must stop all work until a __(5)__ organization places their signature on the document verifying that the appropriate action has been taken to satisfy the requirements of the RCHP.
representative from the Radiological Control
We define Stop Work as stopping the specific task or activity that poses ____ to human health and/or the environment. Appropriate personnel should ____ the work area and perform no additional actions until the Stop Work conditions are ____ and management approval to restart has been obtained.
danger / leave / resolved
Complying with approved procedures & permits and initiating a s____ ____ when a situation poses danger to human health or environment is required by employees per the PAAA.
Stop Work
The Inverse Square Law Thumb Rule states that by _____ the distance from a point source, you can reduce the dose rate to ____ of the original.
doubling / 1 quarter
Some jobs will require a ____ review when the work is finished. This should be performed for jobs or tasks that ____ the contractor established criteria.
post-job / exceed
Post-job reviews should include the following items: changes made to _____ clothing, respiratory protection, _____, personnel, etc., and reasons for the change.
protective / dosimetry
Post-job reviews should include the following items: an evaluation of the _____ of the exposure controls used on job & lessons learned.
effectiveness
Post-job reviews should include the following items: _____ actions taken to solve any situations and _____ to compare the estimated & actual collective radiological exposures.
corrective / reviews
_____ implements the requirements of the ALARA Program, while the _____ administer & coordinate the ALARA Program.
Management / Radiological Control Org.
_____ maintain radiation dose ALARA and _____ identify the most current radiological conditions.
RAD Workers / RCTs
_____ follow all procedures & obey all rules/postings and _____ promotes an ALARA attitude & philosophy.
RAD Workers / Management
Pathways by which radioactive material can enter the body? (4)
Ingest, inhale, absorb & wounds/cuts
What are the 4 basic methods for reducing exposure to ionizing radiation?
Time, Shielding, Distance, Source Reduction
