radionuclide safety and methodology course day 2 “the more practical stuff”
DESCRIPTION
Radionuclide Safety and Methodology Course DAY 2 “The More Practical Stuff”. Review – Day 1. Regulations, Legislation & Responsibilities CNSC, RSO Historical Context Isotopes & Ionizing Radiation: Alpha, beta, gamma, X-ray, positrons, annihilation reactions - PowerPoint PPT PresentationTRANSCRIPT
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Radionuclide Safety and
Methodology Course
DAY 2
“The More Practical Stuff”
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Review – Day 1• Regulations, Legislation & Responsibilities
– CNSC, RSO• Historical Context• Isotopes & Ionizing Radiation:
– Alpha, beta, gamma, X-ray, positrons, annihilation reactions
– Ionizing vs non-ionizing reactions
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Review – Day 1• Radioactive Decay Principles
– Useful today: disposal & record keeping• Units of Measurement
– Becquerel: dps– Gray: absorbed dose– Seivert: dose equivalent.
• Instruments of Measurement– Dosimeters– Survey: GM & Scintillation– Indirect: Scintillation & Gamma
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Review – Day 1• Doses & Maximums
– NEW vs. Public– Women vs. Men?
• Effects of Ionization Radiation on Biological Systems– Acute Vs. Chronic– Stochastic Effects?– Tissue & Individual Specifics?
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Reminder:• Memorize for the exam:
– 2 isotopes: • half-life• energy (keV)• type of emission• Required shielding
– Table 1, Table 4- shielding - Manual
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This Section:• Purchasing• Shipping & Receiving• Documentation• Contamination Control• Permits• Annual Inventory Report
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RECORD KEEPING
Radiation Sources in the Workplace
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RECORD KEEPING1. PURCHASING RADIATION
2. UBC RADIATION DATASHEET
- Receiving radiation- Using radiation- Contamination control- Disposal
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PURCHASING RADIATION- What you Need to know -
• Exemption quantities no longer apply!
• All purchases of nuclear materials must be made through the radiation purchasing system.
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PURCHASING RADIATION- What you Need to know -
• License Restrictions• Web-based Purchasing
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PURCHASING RADIATION- What you Need to know -
UBC LICENSE RESTRICTIONS
– Issued by the CNSC– Sets Maximum UBC Possession
Limits– Defines UBC License
Restrictions
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PURCHASING RADIATION- What you Need to know -
UBC LICENSE RESTRICTIONS
- Radiation use must first be OK’d by the UBC Radiation Safety Office (any amount)
WHY???- UBC might not be allowed to have it!
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PURCHASING RADIATION- What you Need to know -UBC Web-based Purchasing System
www.ubc.ca/okanagan/hse/safety/radioisotope.html
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PURCHASING
Who needs to use it?
- All UBC Permit Holders- For any isotope on your permit- For any amount of isotope
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How does it work?• Set-up account prior to ordering• Check “send order by e-mail” OR fax on-
line system receipt
• Missing Vendors?– Contact HSE to have them added
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PURCHASING RECORDS-All UBC Users-
Records you need to Keep:
• The last page of your online purchase. *Take this with you to receiving when picking up your order.*
• Your shipment documents
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RECEIVING CLASS 7 DANGEROUS GOODS
TRAINING PPE CHECK THE LABELS VERIFY BOX for DAMAGE MONITOR AND SHIELD FUME HOOD WIPE TEST VERIFY CONTENTS DOCUMENT
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RECEIVING CLASS 7 DANGEROUS GOODS
TRAINING
- The person who receives it MUST take this course
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RECEIVING CLASS 7 DANGEROUS GOODS
PPE
- Put on gloves to handle the box
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RECEIVING CLASS 7 DANGEROUS GOODS
CHECK THE LABELS
Class 7 Radioactive Material (TDG)
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Contains:
Limited activity
Minimal detectable radiation on surface
(< 5 Sv/h)
EXCEPTED PACKAGE
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Radioactive Material, Excepted PackageThis package contains radioactive material, excepted package and is in all respects in compliance with the applicable international and national governmental regulations.
UNThe information for this package need not appear on the Notification to Captain (NOTOC)
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RADIOACTIVE lContents______Activity________
Field on any Surface< 5 Sv/h
No Transport Index (TI) 7
RADIOACTIVE I
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RADIOACTIVE llContents______Activity________
Transport Index
Field on any Surface
> 5 Sv/h And< 0.5 mSv/h
TI > 0 and < 1 7
RADIOACTIVE II
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RADIOACTIVE lllContents______Activity________
Transport Index
Field on any Surface
> 0.5 mSv/hAnd< 2.0 mSv/h
TI > 1 and < 107
RADIOACTIVE III
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Receiving Class 7 DG• Inspect for damage• Monitor & Shield• Fume hood• Wipe test• Document
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RECEIVING CLASS 7 DANGEROUS GOODS
INSPECT BOX for DAMAGE
If the package is damaged, you don’thave to accept it!
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RECEIVING CLASS 7 DANGEROUS GOODS
MONITOR AND SHIELD
1. Monitor the surface of the package with a Survey Meter
2. Shield package if required (>2.5Sv/hr)
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RECEIVING CLASS 7 DANGEROUS GOODS
FUME HOOD
Place the box in a fume hood beforeopening
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RECEIVING CLASS 7 DANGEROUS GOODS
WIPE TEST
Wipe test the surface of the box to check for contamination
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RECEIVING CLASS 7 DANGEROUS GOODS
DOCUMENT
Record the results of the wipe tests and the Vial Identifier information
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µCi or
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RECEIVING CLASS 7 DANGEROUS GOODS
DOCUMENTS
- If your shipment has one, keep the Shipper’s Declaration Form for shipments from OUTSIDE Canada
- Keep these records for 3 years!
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RECEIVING CLASS 7 DANGEROUS GOODS
All Permit Holders!! UPDATE the UBC web-basedPurchasing System!
- Date Received- Name of person who received it- VIAL ID – unique to the vial.
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RECEIVING CLASS 7 DANGEROUS GOODS
IMMEDIATELY Contact HSE when:
1. You have questions about the package
2. The order is lost or stolen
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Regulations for Shipping Class 7 Dangerous Goods
Transport Canada (TDG regulations) Shipments by Road
International Air Transport Authority Regulations (IATA) Shipments by Air
Transport Packaging of Radioactive Materials Regulations (CNSC)
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Shipping Class 7 Dangerous Goods
Must have specialized training in theshipping of Class 7 Dangerous Goods
(NOT this course)
Contact HSE for more info.
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USING RADIATION @ UBC
• Stock vial access – Record user name (First, Last)– Record date (year/month/day)
Radioisotope Data Sheets
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USING RADIATION @ UBC
• Record How Much Activity is Removed– Record either Activity OR
Volume used
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µCi or
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µCi or
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CONTAMINATION CONTROL @ UBC
• With a Survey Meter– Check for Hot Spots
• Wipe Tests– Mandatory– At the end of the day of each use– Dates must match the date of
accessing your stock vial!
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CONTAMINATION CONTROL @ UBC
• Map• Results• Date • Document user’s FULL Name• Background (Negative Control)
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CONTAMINATION CONTROL @ UBC
What is considered contaminated?
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CONTAMINATION CONTROL @ UBC
UBC Policy
100 cpm > Background
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CONTAMINATION CONTROL @ UBC
If > 100cpm above background- Clean
- Re-WIPE- Document
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CONTAMINATION CONTROL RECORDS
Wipe tests must be performed immediately following the use of radioactive materials. Results must be saved or recorded in numerical format. Action level for decontamination is 100 CPM above background. Rewipe results of decontaminated surfaces must be recorded.
Usage Date
User's Name
Control Counts
Site Location or
number
Site Location or
number
Site Location or
number
Site Location or
number
Site Location or
number
Site Location or
number
Site Location or
number
Site Location or
number
2009/01/06
2009/01/09
2009/01/15
Amy Brainy
Marvin
Martian
Al Gore
23
2618
63 23 29 22320
86 63 19
24 53 23 19 28172330188
34 22 26 29 33 53 43
1 2 3 4 FH Floor Bench Cent
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RADIATION DISPOSAL @ UBC
Methods:1. Decay (for all isotopes with ½-life < 90
days)2. Drains (aqueous non-toxic)
Red Cans (solvent)3. Combustible Waste (Pathological,
Biological only)4. Non-Combustible Waste (Solid)
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RADIATION DISPOSAL @ UBC
DOCUMENT
How much radioactivity (in MBq)
The method of disposal
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RECORDS TO RETAIN* All UBC Users *
Purchase Information Use Information (UBC Radioisotope Data
Sheet) On-hand Amount (inventory) - ongoing Contamination Control Disposal (Radioisotope Data Sheet)
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11. Radioisotope Licensing
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PERMITS
Required by: Any faculty member wishing to - Purchase
- Use - Possess/Store - Dispose
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PERMITS Application Process
Any faculty member at UBC qualifies to apply
An application form is submitted to HSE It is then reviewed by the UBC
Radioisotopes Committee License is processed & posted in approved
building/lab space
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Lab Classification*Laboratories are classified as Basic, Intermediate or High Level based on the amount of activity that is handled at onetime. This is tracked by the purchasingrecords.
*Intermediate and High Level labs requireapproval by the CNSC.
*Be aware that if you are increasing your purchase amounts, you must not exceed the limit set by your lab classification!
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Example for P-32: Maximum amount to be handled:
Basic Level: 34.5 MBq
Intermediate: 345 MBq
High: 3450 MBq
Do not order single quantities >34.5 MBq !
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PERMITSAmendments
Contact HSEBEFORE you make the change!!!
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PERMITSAmendments
If you need to change: Isotope Building/Room Usage
Add Delete Increase Decrease
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PERMITSAmendments
Send a written request to HSE-An email will do-
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Annual Inventory Report
UBC reports to the CNSC annually
Summary of: Purchases Disposal Possession at end of year For each isotope on the license
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Annual Inventory ReportUBC Permit Holders report to the
RSO annually
Summary of: Purchases Disposal/transfer Possession at end of year For all radioisotopes on permit By January 31st of each year
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Record Keeping/Licensing Summary
• Purchase• Receiving• Use • Disposal• Contamination Control• Shipping (when applicable)• Amendments • Annual Inventory
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Review this Section:• Purchasing• Shipping & Receiving• Documentation• Contamination Control• Permits• Annual Inventory Report
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Questions?• How much area should be covered for
each wipe in a wipe test?
• When should a work area be tested for radiation exposure and by whom?
• How do you pay a supplier of radioactive material?
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Questions?• Which type of packaging is the least
hazardous to the user?
• How do you ship class 7 materials?
• Can anyone receive class 7 materials?
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Questions?• Name the steps when receiving a
radioisotope package?
• When must the annual report be completed?