Lithium Fluoride TLD Program Flashcards
What references govern the TLD Program?
- NAVMED P-5055 Radiation Health Manual
- COMSUBLANT/COMSUBPAC Instruction 6470.5B
- Radiological Controls for Ships
What are the two ways of initiating a Lithium Fluoride Dosimetry Program?
- Requested through Naval Dosimeter Center via command letter head.
- Forces afloat associated with the NNPP submit their requests via cognizant nuclear capable shipyard/facility and their immediate chain of command.
You’re starting up a TLD program at your boat, with the letter you send to NDC, what are some things you have to include?
- Number of individuals and/or areas to be monitored.
- Source(s) and type(s) of radiation to be monitored.
- Activity’s UIC.
- Desired start date for Dosimetry services
- Complete mailing address
- POC with email and phone number
How do you terminate an existing Personnel Dosimetry Program?
Submit a letter to NDC stating the command name, UIC, and projected termination date.
What must occur when a facility changes homeport as it pertains to TLD Dosimetery?
- Request to change shore processing facility will be sent to the to the proposed shore processor, and the current processor.
- Will be sent via TYCOM and a copy will be sent to NDC.
- Request will included proposed date of accomplishment and justification.
Content of the LiF TLD Package
- Sets of TLDs
- Card holders
- Card holder openers
- External warning labels
- Return address label
- Shipping list (Hard copy and disk with xld. file)
Procedures for receipt of LiF TLDs
V. I. C. K.
- Verify that all assigned LiF TLDs match the Shipping List.
- Inspect the LiF TLDs for any damage
- Check the expiration date
- Keep different batches separated, do not mix batches.
Steps for issuing Lif TLDs
- Start batch within 14 days of receipt, start before expiration date.
- Upload TLD file into exposure database.
- Load TLDs into card holders and assign them to personnel (including posted TLDs)
- Assign at least 2 control TLDs
- Issued TLDs will be properly documented on NAVMED 6470/3.
- Ensure adequate supply of unused TLDs for use as controls.
In Reference to issuence of LiF TLDs, what needs to be documented on the NAVMED 6470/3?
- Name and SS number of persons receiving the TLD
- Serial number of TLD assigned to the individual
- Issue and collection dates
- Radiation Type
- Occupational code
What are the procedures for collecting TLDs?
C. O. R. H. I. D.
- Collect all personnel and posted areas TLDs
- Observe orientation of TLD placement within the card holder
- Remove TLDs from card holder
- Handle with clean hands
- Inspect Card holders for damage
- Document collection date in the remarks section the of NAVMED 6470/3 as well as any discrepancies.
What is C. O. R. H. I. D. ?
Procedures for collection of TLDs
Collect all personnel and posted area TLDs
Open and observe TLD orientation of TLD placement within the card holder
Remove the TLDs from the card holder
Handle Lif TLDs with clean hands
Inspect Lif TLD cards and holders for damage
Document on the remarks section of the NAVMED 6470/3 via approved computer program
What are some remarks that might be found in the NAVMED 6470/3 as it pertains to collection of TLDs?
Incorrect orientation
Damaged TLDs
Unusual occurrences (DI/DE)
TLD previously turned in separate from the batch currently marked unused.
Any expected exposures greater than 100 mrem.
How do you prepare a to shipment a batch of TLDs to NDC?
- Pack in original shipping container
- Assign control TLDs for each shipping container
- Include shipping list, hard copy NAVMED 6470/3, and disk with TLD file.
- Send via certified mail/traceable means if shipping
- Submit within 5 working days of end of issue period
What is include inside a TLD box when it is being shipped?
- Lif TLDs
- Printed list of TLD serial numbers (original TLD list)
- Printed copy of NAVMED 6470/3
- Disk with TLD file for upload by the processor.
What should TLD issue periods not normally exceed?
13 weeks
