Procedure to be a KEK radiation worker


Employee User

Employees

Registration Procedure for employees

1. Registration for radiation worker


2. Take a medical examination before engaging.

  • at Health consultation room


3. Receive pre-engagement education and training.

  • at Radiation control office

  • by radiation protection superviser


4. Writing the data on your ID card.


5. Take a radiation worker's notebook and personal dosimeter.

  • by KEK internal mail


6. Start radiation work



Users

Registration Procedure for users

1. Perform pre-registration process

  • The head of experimental group creats an engagement request for Radiation Work Form No.9-2 using user support system, and signs it.

  • The user creates an engagement request for Radiation Work Form No.10 using the user support system, and signs it.

  • The people who belong to Japanese institutes etc. must use Japanese Radiation Work Form 10. On the other hand, the people who belong to foreign institutes etc. must use English Radiation Work Form 10.

  • Contact places are shown in table below.

Experimental place Contact place
Photon factory(PF)
PF-AR facility (PF-AR)
Test linac
Radiation Reception
TEL: 029-864-5496
Others Radiation control Office
TEL: 029-864-5495
rad-office@ml.post.kek.jp

2. Send Radiation Work Forms 9-2 and 10 to radiation control office

  • Mail the created Radiation Work Forms 9-2 and 10 to radiation control office. The signed Forms must reach 2 working days in prior to user's arrival of KEK. PDF, copy, or facsimile of the Forms are not acceptable. If you do not have extra sending time, we recommend to use a letter pack light which has tracking service.

  • Bring photocopy of the Radiation Work Forms 9-2 and 10 when the users come to KEK.

  • For a female workers, submit Radiation Work Form No.11 if necessary. The radiation exposure standard depends on whether pregnancy is present or not, and whether the intention of pregnancy or not, etc. Mrs Noriko Toyoshima (noriko.toyoshima@kek.jp) and Mrs Keiko Muromachi (muromati@post.kek.jp) are contact persons on female exposure.

  • Submit a copy of your personal health report for radiation worker to radiation control office if you are a radiation worker who take more than 1 mSv in the previous fiscal year period.

  • Submit a copy of your personal exposure record to radiation control office if you are a radiation worker who already take more than 5 mSv for male and 1 mSv for female in the current fiscal year period.

  • Radiation work cannot be done if preliminary procedures are not completed


3. Bring personal dosimeter to KEK (Only person who belong to Japanese institute etc.)

  • Users who belong to Japanese institutes etc. must bring personal dosimeter which is issued by home instiitute.

  • Radiation work is not permitted if you do not bring the personal dosimeter.

  • Users who belong to Foreign institutes etc. do not need to bring personal dosimeter.

Experimental palce Potential of neutorn exposure Kind of Dosimeter
Super KEKB
ATF
Electron linac
ERL test facility
DR
STF
PF RI Laboratory
Yes Dosimeter for X ray, gamma ray, and neutron
Others No Dosimeter for X ray and gamma ray
(Dosimeter for only X ray is not acceptable)

or
Dosimeter for X ray, gamma ray, and neutron

4. Take education video lecture course for KEK radiation safety, in the case of the first experimental work of the current fiscal year

  • Take a 30 minute video lecture for people who belong to Japanese institutes etc. at the place shown in the table below.

  • For people who belong to foreign institutes etc., duration of the Video lecture is 90 mininute because of explanation of Japanese law for radiation control. Last start times are 90 minute before the close times.

Experimental place Place of Video lecture
Photon factory (PF)
PF-AR facility(PF-AR)
Test linac
During PF operation24 hoursRadiation control reception dest in PF building
During PF operation stop8:30~19:00
(Last start at 18:30)
Radiation control reception dest in PF building
Other time 8:30~18:30(Last start at 18:00) Radiation reception

5. Go to the radiation control reception desk, receive dosimeter etc and start the experiment.

Experiment Place to receive dosimeter
PF PF radiation control reception desk
Accelerator development AR radiation control reception desk
BelleII, Others Radiation Reception


Annual renewal for registration of radiation worker
  • The registration process must be completed every Fiscal Year of Japan (Starts on April 1).

  • The annual renewal period is until the end of March. After April 1st, the person who does not complete renewal procedures is not permitted to do radiation work.



KEK Radiation Control Office

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