IOWA DEPARTMENT OF TRANSPORTATION
OFFICE OF MATERIALS
I HEREBY CERTIFY THE FOLLOWING:
1. The operator(s) has attended the training course in nuclear testing conducted by the Central Laboratory.
2. All safety practices outlined in Materials IM 206 have been followed.
3. The following individual(s) was wearing a nuclear exposure badge on his front waist, while operating nuclear testing equipment, and that the exposure as determined on the enclosed badges should be indicative of radiation received for the appropriate time period.
EXPOSURE PERIOD/DATE: From: ____________________ To:
APPROX.
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COMMENTS:
The above information, to the best of my knowledge, is complete and accurate.
Engineer in Charge Date
cc: Office of Materials Laboratory
District File