Radioactive MaterialsRadioactive MaterialsAwarenessAwareness

Radiation Safety TrainingRadiation Safety Training

InstructorInstructorDennis WidnerDennis Widner

Health Physicist – TrainingHealth Physicist – Training

542-0526542-0526

RADIOACTIVE MATERIALSRADIOACTIVE MATERIALS

SIGNS & LABELSSIGNS & LABELS

Radiation Postings / LabelsRadiation Postings / Labels

• Rule .03 (11) Rule .03 (11) specifies specifies requirements for:requirements for:• posting or labelingposting or labeling

• RoomsRooms• ContainersContainers• MachinesMachines

StandardStandardRadiationRadiationSymbolSymbol

TrefoilTrefoil

Laboratory Postings RequiredLaboratory Postings Required“Notice to Workers” and Emergency Contact Information should be posted at the

entrance to your lab

Georgia DNR Notice to WorkersGeorgia DNR Notice to Workers

Lab Emergency Phone NumbersLab Emergency Phone Numbers

Caution Sign and HazardsCaution Sign and Hazards

Radioactive Materials Radioactive Materials PostingPosting

RSO Emergency Phone NumbersRSO Emergency Phone Numbers

Door SignDoor Sign

Waste Containers Waste Containers (every 180 (every 180 oo))

Radioactive MaterialsRadioactive Materials Use HoodsUse Hoods

RAM Use and StorageRAM Use and Storage AreasAreas Any location that Any location that contains RAMcontains RAM

InstrumentsInstruments

RULES & REGULATIONSRULES & REGULATIONS

Georgia Georgia Department of Natural Resources Department of Natural Resources Environmental Protection DivisionEnvironmental Protection Division

• Key Parts of the Key Parts of the “Rules and “Rules and Regulations for Radioactive Regulations for Radioactive Materials, Chapter 391-3-17”Materials, Chapter 391-3-17”

• Part .01: General ProvisionsPart .01: General Provisions• Part .03: Standards for Part .03: Standards for

Protection Against RadiationProtection Against Radiation• Part .07: Notices, Instructions Part .07: Notices, Instructions

and Reports to Workers: and Reports to Workers: Inspections.Inspections.

Occupational Dose Limits for Occupational Dose Limits for Radiation WorkersRadiation Workers

Source of RadiationSource of Radiation

Whole Body Dose is not to exceedWhole Body Dose is not to exceed 5 rem/ yr5 rem/ yrInternal dose is added to WBDInternal dose is added to WBD

Occupational Exposure Limit Occupational Exposure Limit to the Extremitiesto the Extremities

The Dose Limit to theThe Dose Limit to theExtremities may not Extremities may not

exceedexceed 50 rem / yr50 rem / yr

Occupational Dose to the Occupational Dose to the Lens of the EyeLens of the Eye

Dose must not exceedDose must not exceed 15 rem/ yr15 rem/ yr

Radiation Dose in PerspectiveRadiation Dose in Perspective• Health effects are seen only when dose exceeds Health effects are seen only when dose exceeds

25 rem and at a high dose rate25 rem and at a high dose rate

• Occupational radiation doses are monitored and Occupational radiation doses are monitored and limited by law to 5 remlimited by law to 5 rem

• Based on the LNT model, a worker exposed to Based on the LNT model, a worker exposed to 1,000 millirem (one rem) per year for 30 years 1,000 millirem (one rem) per year for 30 years would lose about 30 days of life expectancy due to would lose about 30 days of life expectancy due to increased risk of cancer.increased risk of cancer.

• Observed Radiation Doses at UGA for Radiation Observed Radiation Doses at UGA for Radiation Workers average 0.030 Rem. For 95% of the Workers average 0.030 Rem. For 95% of the Radiation Users at UGA, doses are too low to Radiation Users at UGA, doses are too low to measuremeasure

A L A R A

AA

LL

AA

RR

AA

As

Low

As

Reasonably

Achievable

PhilosophyPhilosophyRadiation doses are Radiation doses are kept as low as kept as low as possiblepossible

Stems from Linear-Stems from Linear-No-Threshold dose No-Threshold dose modelmodel

ALARA program ALARA program required by Federal required by Federal and State regulationsand State regulations

Keys to ALARAKeys to ALARA

TIMETIME

DISTANCEDISTANCE

SHIELDINGSHIELDING

Safety Concerns about Safety Concerns about Working in a Radiation Working in a Radiation Materials LaboratoryMaterials Laboratory

• When entering a radioactive material When entering a radioactive material laboratory always assume there is a potential laboratory always assume there is a potential of radioactive contamination or radiation (dose of radioactive contamination or radiation (dose fields) fields)

• All Radioactive Materials laboratory are All Radioactive Materials laboratory are monitored for contamination and radiation. monitored for contamination and radiation. There are limits each laboratory must meet to There are limits each laboratory must meet to be able to operate safely be able to operate safely

• The Advanced Radiation Worker (ARW) is trained to The Advanced Radiation Worker (ARW) is trained to monitor and clean up radioactive materials. monitor and clean up radioactive materials.

• The UGAThe UGA Radiation Safety Office will respond to any Radiation Safety Office will respond to any concerns you have about doing work in a radioactive concerns you have about doing work in a radioactive materials laboratory materials laboratory

Always ask the Authorized User (AU) or the lab’s Always ask the Authorized User (AU) or the lab’s Advanced Radiation Worker (ARW)Advanced Radiation Worker (ARW)

about radioactive materials use, storage and waste about radioactive materials use, storage and waste areas before any work is performed.areas before any work is performed.

RadiationRadiation The natural decay of radioisotopes. This decay The natural decay of radioisotopes. This decay consists of energy being released in the form of consists of energy being released in the form of alpha particles, beta particles and gamma raysalpha particles, beta particles and gamma rays

Contamination Contamination Radioactive material where we don’t want it, i.e., Radioactive material where we don’t want it, i.e., your clothes, shoes, tools, Inside and outside our your clothes, shoes, tools, Inside and outside our bodies. We must guard against inhalation, ingestion bodies. We must guard against inhalation, ingestion and absorption.and absorption.

PRIMARY HAZARDSPRIMARY HAZARDS

What to look for in What to look for in Radioactive Materials Radioactive Materials

LaboratoryLaboratory

LABORATORY LABORATORY RAMRAM

USE AND STORAGEUSE AND STORAGEAREASAREAS

IF YOU MUST WORK IN ONE OF IF YOU MUST WORK IN ONE OF THESE AREASTHESE AREAS

BE PREPARED TO DON PERSONAL PROTECTIVE BE PREPARED TO DON PERSONAL PROTECTIVE EQUIPMENT (PPE); GLOVES, SAFETY GLASSES, EQUIPMENT (PPE); GLOVES, SAFETY GLASSES,

SHOE COVERS OR SLEEVE PROTECTORS IF SHOE COVERS OR SLEEVE PROTECTORS IF NEEDED. NEEDED.

AFTER THE WORK IS FINISHED, ALL USED PPE SHALL BE AFTER THE WORK IS FINISHED, ALL USED PPE SHALL BE PLACED INTO THE LAB’S RAD DRY WASTE DRUM IF PLACED INTO THE LAB’S RAD DRY WASTE DRUM IF

CONTAMINATED.CONTAMINATED.

Recommended Survey Recommended Survey InstrumentInstrument

Ludlum model 3 instrument (Part No. 48-1605) with a Ludlum model 3 instrument (Part No. 48-1605) with a 202-608 meter dial and extra cable202-608 meter dial and extra cable

ASK THE ARW TO DO A PRE WORK SURVEY OF ASK THE ARW TO DO A PRE WORK SURVEY OF THE WORK AREA AND TO MONITOR YOUR GLOVES AND THE WORK AREA AND TO MONITOR YOUR GLOVES AND ITEMS REMOVED IN THE REPAIR PROCESS. ITEMS REMOVED IN THE REPAIR PROCESS.

Glove ProtocolsGlove Protocols

Know how to remove your gloves without touchingKnow how to remove your gloves without touchingyour skin or clothing!your skin or clothing!

CAPTURE AND PLACE ANY STANDING WATER INTO THE CAPTURE AND PLACE ANY STANDING WATER INTO THE LABS LIQUID RAD WASTE CONTAINERS; (DRAIN WORK) LABS LIQUID RAD WASTE CONTAINERS; (DRAIN WORK)

A drip pan or some type of “Secondary A drip pan or some type of “Secondary Containment”Containment”

should be used when working on wet systemsshould be used when working on wet systems

ANY SOLID DEBRIS INCLUDING BROKEN PARTS SHALL BE ANY SOLID DEBRIS INCLUDING BROKEN PARTS SHALL BE BAGGED AND PLACED INTO THE LAB’S RAD DRY WASTE BAGGED AND PLACED INTO THE LAB’S RAD DRY WASTE

DRUM.DRUM.

ANY ITEMS REMOVED ANY ITEMS REMOVED FROM A CONTAMINATED FROM A CONTAMINATED SYSTEM , PART(S) FROM SYSTEM , PART(S) FROM CONTAMINATED CONTAMINATED EQUIPMENT OR EQUIPMENT OR INSTRUMENTATION MUST INSTRUMENTATION MUST BE SURVEYED BY THE BE SURVEYED BY THE LAB’S ARW. LAB’S ARW. ALL SHOULD ALL SHOULD BE BAGGED AND TAGGED BE BAGGED AND TAGGED AS WELL BEFORE AS WELL BEFORE PLACING IN THE DAW PLACING IN THE DAW DRUM.DRUM.

CONTAMINATED TOOLSCONTAMINATED TOOLS

ALL TOOLS USED IN A JOB ON ANY ALL TOOLS USED IN A JOB ON ANY CONTAMINATED SYSTEM OR CONTAMINATED SYSTEM OR EQUIPMENT, INSIDE A RADIOACTIVE EQUIPMENT, INSIDE A RADIOACTIVE MATERIALS LAB MUST BE SURVEYED MATERIALS LAB MUST BE SURVEYED FOR CONTAMINATION. THE LAB’S FOR CONTAMINATION. THE LAB’S ARW WILL ASSIST IN PERFORMING ARW WILL ASSIST IN PERFORMING THIS TASK. THIS TASK.

ONCE A CONTAMINATED TOOL IS ONCE A CONTAMINATED TOOL IS DETECTED IT MUST BE WASHED AND DETECTED IT MUST BE WASHED AND SURVEYED AGAIN. IF THE SURVEYED AGAIN. IF THE CONTAMINATION CANNOT BE CONTAMINATION CANNOT BE REMOVED, THEN CALL THE RADIATION REMOVED, THEN CALL THE RADIATION SAFETY OFFICE FOR ASSISTANCE.SAFETY OFFICE FOR ASSISTANCE.

Hand and foot Survey when exiting the rad work area

WHEN WORK IS FINISHED OR YOU ARE TAKING A BREAK, YOU MUST WHEN WORK IS FINISHED OR YOU ARE TAKING A BREAK, YOU MUST WASH YOUR HANDS AND SURVEY OUT OF THE LAB. THE LAB’S ARW WASH YOUR HANDS AND SURVEY OUT OF THE LAB. THE LAB’S ARW

WILL ASSIST YOU IN DOING THISWILL ASSIST YOU IN DOING THIS

Radiation Safety Officer

Mr. Jody Jacobs542-0107

Radiation Safety Office Staff

Call 542-5801

Dennis WidnerDennis Widner542-0526542-0526

Lauren PalmerLauren Palmer542-0077542-0077

John PyleJohn Pyle542-7628542-7628

THE ENDTHE END

QUESTIONS??????QUESTIONS??????

Call 542-5801Call 542-5801oror

E-mail; jjacobs@esd.uga.eduE-mail; jjacobs@esd.uga.edu