Rct Site 9-12

Front 1

Applicable limits on exclusive use vehicles

Back 1

1. Estimated human population doses
2. determine site impact
3. detect and quantify an unplanned release
4. meet legal or regulatory requirements
5. create an maintain a good public image
6. obtaining pathway data
7. test adequacy of radiological control measures
8. Study of air and water mixing patterns
9. non-industry applications

Front 2

State the exposure limits to the general public as they apply in environmental monitoring

Back 2

100 mrem effective dose, dose equivalent greater than 25 mrem to the whole body or a committed does equivalent greater than 75 mrem to any organ

Front 3

Define critical nuclide

Back 3

One of a group of nuclides which cause the largest dose contribution to the actual population at risk near the facility

Front 4

Define critical pathway

Back 4

The route taken from the point of release to body entry of a critical radionuclide which causes human exposure

Front 5

State locations frequently surveyed for radiological contamination at outdoor waste sites

Back 5

1. Boundary survey

2. top layer survey

3. well monitoring

4. air monitoring

Front 6

Boundary survey

Back 6

Survey the boundaries to ensure the contamination is not spreading soil water table or the waterways

Front 7

Top layer survey

Back 7

Survey the top layer to ensure contamination is not spreading the soil into the water table or the waterways

Front 8

Well monitoring

Back 8

Sample the wells in the area to ensure the contamination is not spreading to the water table

Front 9

Reason for air monitoring and examples

Back 9

Air monitoring to ensure the contamination is not spreading into the air down wind

Front 10

Define suspect waste site

Back 10

Any site that is thought for any reason to contain dangerous waste hazardous waste or radioactive waste

Front 11

Environmental samples

Back 11

1. Air samples

2. soil samples

3. vegetation samples

4. animal samples

5. surface water samples

6. ground water samples

7. background radiation

8. radiation surveys

Front 12

Purpose of RWP

Back 12

To determine the appropriate classification

Front 13

Responsibilities in using or initiating an RWP

Back 13

Required to sign the RWP log prior to entry and after any revisions. Signature signifies they are aware of conditions and agree to comply with requirements.

Front 14

Document that governs ALARA program in industry

Back 14

ALARA program and implementations procedures

Front 15

Describe how exposure/ performance goals are established in the industry

Back 15

Established by individual supervisor with assistance of faculty ALARA coordinator.

Established at end of year, for upcoming year.

Front 16

Conditions under which a prejob ALARA review is required in the industry

Back 16

Required to be held prior to the conduct of work that is anticipated to exceed trigger levels

Front 17

Conditions under which a post job ALARA review is required in industry if job exceeds ALARA committee trigger levels

Back 17

Review is required if any job exceeds ALARA committee trigger level and is conducted in accordance with industry procedure. Specifies that a feedback meeting should be done by job planner controller supervisor if an ALARA committee trigger level for the job was exceeded

Front 18

State the purpose of all radiological postings, signs, labels, and barricades

Back 18

To identify items or areas that have the potential for or contain radiological hazards. Identify the radiological hazards present in an area and to prevent workers from inadvertently entering radiological areas and or mishandling radioactive materials

Front 19

RCT responsibility for postings, signs, labels, and barricades

Back 19

Immediately update postings after performing survey.

Front 20

Requirements for posting barriers and entry for radiological buffer area

Back 20

An intermediate area established to prevent the spread of radioactive contamination and to protect personnel from radiation exposure

Front 21

Requirements for posting barriers and entry for underground radioactive material

Back 21

Areas established to indicate the presence of underground items that contain radioactive materials such as pipelines, radioactive cribs, covered ponds, covered ditches, catch tanks, inactive burial grounds and sites of known, covered, unplanned release

Front 22

Requirements for posting barriers and entry for locked high radiation

Back 22

Any area accessible to individuals in which radiation levels could result in an individual receiving a deep dose equivalent in excess of 1 rem in 1hr at 30cm from source

Front 23

Good practices in setting up good radiological areas

Back 23

Establish walkways in low dose areas

Don’t store radioactive materials near walkways/where personnel frequently work

Place rope boundaries as close to the source of contamination as possible to minimize the size of the contaminated areas

Front 24

Support equipment in setting up radiological areas

Back 24

Drip trays or containment devices to prevent spread of contamination. Establish lay downs areas for equipment, set up SOPS-upwind of hazards. Post entrances. Use personnel contamination monitors

Front 25

Common discrepancies in setting up radiological areas

Back 25

1. Posting info that isn’t updated

2. Boundaries not verified

3. Survey instruments defective

4. Step off pads not set up

5. Count rate meters not located

Front 26

Discrepancies frequently observed in containment devices

Back 26

1. Holes/leaks in containment’s

2. Liquids accumulating in hoses/portions of containments

3. Air locks to small to remove ppe w/out spreading contamin.

4. Ventilation exhaust not directed

5. Sharp objects used

Front 27

Describe good practices in setting up portable ventilation and count rate meters

Back 27

1. Use HEPA filters w/prefilters

2. Preform radiation surveys on filters periodically in use

3. Radiological limits established filter replacement

4. Exhaust filter discharge

5. Ensure no openings in trunk or between blower and filter

Front 28

Requirements for individuals working in RBAS

Back 28

1. Avoid contact with potentially contaminated surfaces

2. Any management/supervision

3. Maintain exposure ALARA

4. Report all injuries

5. Monitor clothing and exposed skin as required and report presence of radioactive contamination

Front 29

Requirements for posting barriers and entry for radiation area

Back 29

Any area accessible to individuals in which radiation levels could result in an ind. receiving a deep dose .005 rem in one hour. At 30cm from source

“Caution radiation area” posted

Front 30

Requirements for posting barriers and entry for high radiation area

Back 30

Any area, in which radiation levels could result in an ind receiving absorbed dose of 500rads in 1hr at 1m from source

“Caution high contamination area”

Front 31

Requirements for posting barriers and entry for hot spot

Back 31

Localized source of radiation or radioactive material normally within facility piping or equipment. Levels exceed general radiation level by more than a factor of 5 and will generate a dose of 100mrem in 1 hr

Front 32

Requirements for posting barriers and entry for contamination area

Back 32

Any area where removable contamination levels exceed or are likely to exceed the values specified in the RCM but not exceed 100 times those values

Front 33

Requirements for posting barriers and entry for high contamination area

Back 33

Any area where contamination levels are greater than 100 times the values specified in the RCM

“Caution high contamination area”

Front 34

Requirements for posting barriers and entry for airborne radioactive area

Back 34

Any area accessible to individuals where the concentration of airborne radioactivity above natural back ground exceeds the derived air concentration

Individual present in an area without respiratory protection could receive an intake exceeding 12DACHOURS in a week

“Caution airborne radioactivity area” “danger airborne radioactivity area”

Front 35

Requirements for posting barriers and entry for fixed surface contamination

Back 35

An area where removable contamination levels are less than RCM removable and total contamination levels are greater than total values

Front 36

Requirements for posting barriers and entry for soil contamination

Back 36

Contaminated soil that is not releasable in accordance with DOE posted as specified in article 235 of DOE RCM. Posting should include instructions or special warnings to workers “consult w/ radiological control organization before digging” “substance contamination exists”

Front 37

Requirements for posting barriers and entry for radioactive material area

Back 37

Any material with a controlled area accessible to individuals in which items or containers or radioactive material exists and the total exceeds the applicable values

“Caution radioactive material”

Front 38

Requirements for removing or releasing materials from any radiological area

Back 38

1. Where item was located

2. What is history of the item

3. Has the item been exposed to radioactive liquids

4. Are the accessible surfaces porous or irregular

5. Does the surface have dirt, oil, rust, corrosion, or grease present

6. How does item work

7. Where are areas of potential contamination and can the locations be surveyed

8. Are there inaccessible surfaces present

Front 39

Describe contamination control techniques that can be used to limit or prevent personnel and area contamination and or radioactive waste generation

Back 39

1. Watch workers and correct

2. System components that are being repaired should be wiped down and drained before the system opened

3. Ensure workers follow procedures from removing material from radiological area

4. Ensure workers follow proper procedures to minimize contaminating tools/equipment

5. Watch for movement of crane rigging, air or water hoses, electric leads, and extension cords into and out of contaminated areas

6. Electrical lines and hoses going into contaminated areas should be secured

7. Workers remove outer layer of protective clothing

8. Reduce creation of radioactive waste

Front 40

Describe job coverage techniques that can be used to prevent or limit the spread of airborne radioactive material

Back 40

1. Look for any actions that could create airborne radioactivity

2. Take air samples during jobs in highly contaminated areas

3. Use a continuous air monitor during performance of a job

4. Ventilate enclosed areas

Front 41

Describe overall job control techniques in maintaining control of radiological work

Back 41

1. Establish worker trust and confidence

2. Keep workers within their line of sight

3. Keep in contact with workers

4. Remind workers that casks, containers, or systems are not opened or work techniques changed without notifying radiological control

5. When an individuals work habits must be corrected offer the correct method as advise

6. Show a positive helpful attitude towards co workers

7. Don’t overact to situations when there’s time for solution

Front 42

State reasons to stop work activities in accordance with RCM

Back 42

1. Inadequate controls

2. Radiological controls not being implemented

3. Radiological hold points not being satisfied

4. Alarming dosimetry or unexpected dosimetry readings

Front 43

4 purposes of job coverage

Back 43

1. To ensure that the workers radiation exposures are maintained ALARA and within limits/guidelines

2. Minimize the creation and spread of surface contamination

3. Minimize the creation and spread of airborne radioactive materials

4. To minimize the creation of radioactive waste

Front 44

Continuous job coverage

Back 44

The technician covers only one job and remains at the job site while work is being performed

Front 45

Intermittent job coverage

Back 45

The technician may cover more than one job performing periodic checks at various work locations

Front 46

Conditions that should require job coverage

Back 46

1. Radiation dose rates in the job area are high enough to potentially cause workers doses to exceed administrative control levels in a short time

2. Radiation levels are expected to increase significantly during the job

3. Entry into high radiation areas

4. Potential for spreading high levels of contamination or causing airborne radioactivity

5. The potential for significant increase in contamination or airborne radioactivity levels during the job

6. Jobs performed by inexperienced workers

Front 47

Items that should be considered in planning job coverage

Back 47

1. Determine exactly what workers will be doing

2. Review old surveys/talk with techs who previously covered same or similar job to anticipate problem areas

3. Review area/system in which work will be performed or talk w workers to determine potential radiological consequence of task

4. Ensure the adequate survey of the job area has been made

5. Review post-job ALARA reviews from previous jobs

Front 48

Information that should be discussed with workers during pre-job briefings

Back 48

1. Dose rates

2. Contamination levels

3. Concentration of airborne radioactivity in work area

4. Probable effect

5. Radiological conditions

6. Communication devices

7. Protective clothing/dosimeter

8. Emergency actions to take

Front 49

Describe the requirements for documentation of in progress radiological surveys

Back 49

Radiological control personnel should maintain logs to document radiological occurrences, stays of work activities and info that should be communicated to all personnel. Surveys should be documented as soon as possible

Front 50

Describe in-progress radiological surveys that should be performed in the industry under various radiological conditions

Back 50

Performed as specified by the controlling technical work permit

Front 51

Explain actions that should be taken if surveys show radiological conditions significantly different from expected

Back 51

1. Stop the job

2. Stage workers in low background location

3. Check electronic dosimeters

4. Investigate source of radiological hazard

5. Notify supervision

6. Develop recovery plan