- Registration procedure of personal radiation dosimeterIn order to perform radiation work at J-PARC, the following three conditions must be met.
◆ Registered as a radiation worker at your institution.
The MLF Experimental Building, Hadron Hall, and tunnels are radiation controlled areas, so please applyfor a personal dosimeter. The same applies when entering other radiation controlled areas listed above.
IMPORTANT: Applicant should have been educated and get medical check-up before applying forthe radiation worker at J-PARC before visiting J-PARC.
Please be sure that the date of your radiation safety education and training at your host institution should
be within one year, and the date of medical examination should be within one year, are required to beregistered.

◆ Apply for a radiation worker at J-PARC and get issued a personal dosimeter.
How to register as a J-PARC radiation worker (certification registration)→ Create a "Radiation Worker Registration Form" and submit the form at least 2 weeks before your visit.
◆ J-PARC radiation safety training on the first day of visit
At the J-PARC Center Users Office, you must take radiation safety training (once a Fiscal Year) before
getting a dosimeter to work in the radiation-controlled area. Please refer to the safety training for details.
→ Learn more about safety training.

CONTENTS
New registration and Renew registration .........................................................................................................................2
Apply...........................................................................................................................................................................21) Download the application form ..............................................................................................................................22) Send in e-mail, deadline ........................................................................................................................................23) Please submit form after reading the notes below. ...................................................................................................2
Examples for Filling Out .........................................................................................................................................4
Update Procedures to renew registration ........................................................................................................................5
Related procedures ......................................................................................................................................................6
Modification .............................................................................................................................................................6
Deregistration ...........................................................................................................................................................6Annual renewal.........................................................................................................................................................6New registration and Renew registration
New registration is for users who comes at first time, or did NOT attended radiation safety training or did NOT
submitted application form in previous fiscal year.
Renew registration is for users who have attended radiation safety training and submitted application form inprevious fiscal year, those who have completed these two procedures are registered as a J-PARC radiation
worker. Users who registered J-PARC radiation worker registration is applicable to renew the registration. In
case of changing institute/affiliation are also applicable for renew registration.

ApplyDownload the format and fill in, send the file by e-mail.

1) Download the application form
Important note: User registration or activation of your page must be finished in advance.
1. Login to User Portal System
2. Click [Administrative Procedures for Visiting KEK/J-PARC] > [1.Administration relating to your visit] >Next > Administrative tasks
3. Download Radiation Worker Registration Form (Choose format from Excel and PDF.)
4. Open the file and fill in the form as necessary.
There are two types of application form in one file;- “Radiation Worker Registration Form (Form 2-1(b)” for NEW- “Radiation Worker Renew Registration Form (Form 2-1(d)” for RENEW.
Both types are combined in the download file, so please fill in the applicable form and submit only one.

2) Send in e-mail, deadline
Submit the filled form to Users Office by e-mail no later than 2 weeks prior before starting work at J-PARC.
For security, please lock the file as appropriate.
Note: Mail (by post) is also available.
Print out with white size A4 paper to post at our mailing address.
⚫
⚫

If you do not meet your deadline, your Personal dosimeter may not be issued in time.
Please contact us if you are in a hurry.

3) Please submit form after reading the notes below.
Format⚫ When applying, please be sure to download the latest form from User Support Systems.
⚫ In the following cases, we will not accept it as the form is not suitable, so you will need to resubmit it.
1. When the person who is eligible for continuous registration should submit "Form 2-1 (b) Radiation
Worker Registration Form"

2. When the person who is not eligible for continuous registration should submit "Form 2-1 (d) Radiation
Worker Renew Registration Form "If you are not sure the proper format you apply to, please contact Users Office.
About the abolition of the seal column/signatures⚫ With the recent trend of abolishing the seal of government agencies, we have abolished the request for aseal and signature in the J-PARC format, but be sure to obtain the consent of the director and radiation
control manager of the affiliation before sending to J-PARC.
⚫

The stamp and signatures column has been abolished from the form, but you can stamp or sign it ifnecessary for the duty procedure at your affiliation. We welcome the stamped/signed item as before. In
this case, please submit it as a paper medium (original) by mail or bring. Even when you submit a copy, it
is required to submit the original.

⚫

If case of entering the name, address, name, etc. with stamps and hand-writing, it’s not required to submit
the paper medium (original) by mail.

When correcting the description⚫
⚫

Documents corrected with correction fluid (white-out), sand eraser, etc. cannot be accepted. Pleasecreate it again.
Please re-create (re-enter) without making corrections with the correction mark. However, if it is stampedin the operation of the affiliation, correction with the correction stamp and signature are permitted asbefore.

About health checkup⚫

⚫

Please enter the date of implementation of special medical examinations based on the Act on theRegulation of Radioactive Isotopes, Ionizing Radiation Hazard Prevention Regulations, etc. within 6months (for students and those belonging to Institutions outside Japan, within 1 year (* 1)).
(* 1) The expiration date is within one year or six months from the date of submission of the documents
at Users Office.
If the result of the medical examination is “abnormal” or “follow-up”, there is no problem if the doctor
judges that “engagement is possible”. Even if the result is "abnormal" or "follow-up", it will be the judgmentof the doctor to whom you belong. If it is determined that you cannot engage, please contact the User'sOffice.

- Exsamples of Japanese format for Japanese instituteExamples for Filling Out the formNEW REGISTRATION 2-1(b)Head of division, affiliation
No signature. Fill out the name.

The date of your radiation safety
education and training at yourhost institution should be within
one year (* 1).

Keep blank in the "Exposure record"
if you have never worked in aradiation controlled area before.

The date of medical examination
should be within one year (* 1).

Medical Doctor, Radiation control officer
No signature is required. Fill out the name.

Check☑ the diagnosis results of"ALLOWED" or "NOT ALLOWED".

FOR RENEW 2-1(d)Applicants who have attended radiation safety training at J-PARC use the format “Radiation Worker
Renew Registration Form (Form 2-1(d))” which the exposure record and education training date are notrequired.

Update Procedures to renew registration
Users who have registered J-PARC radiation registration previous fiscal year, can apply for Update Procedure.
Users who have used a J-PARC dosimeter last fiscal year are eligible to renew registration.
- Both of attending J-PARC radiation safety training and submitting of application form are therequirements for J-PARC radiation registration.
- If it’s not met the requirements, such as either one of above requirements or registration was done over
2 years ago, please follow to registration for new users.
- In case of changing institute/affiliation are also applicable to update.
UseRadiation Worker Renew Registration Form (Form 2-1(d))

formatBased on the date of visit, carefully select either of procedure.
For users who- continue to use a dosimeter to update at periodic replacement in the end of March,and or staying for long-term- will visit in April.
Applying for periodic replacement of dosimeter must be done by the due date.
■ Applicable periodfrom mid-February to mid-March
Details will be updated at Users Office website in the mid of February.
■ Apply
New Personal dosimeter will be prepared in the end of March (at the time of periodic replacement), following two
procedures are required by applicant.

1. Submit Application form to visit J-PARC (visiting from April) by mid of March.
Personal dosimeter will be replaced in the last two days in March at Users Office.

2. Submit Radiation Worker Registration Form by the due date.
Attach a file to e-mail and send to j-uo@ml.j-parc.jp.

Other than above, submit the filled form to the Users Office by e-mail no later than 2 weeks
prior before starting work at J-PARC.
e-mail, deadline

Periodic replacement of personal dosimeters (review of operational methods)
For long-term or year-round stayers, advance application is required for
periodic replacement of dosimeters.

After April 2024, users who wish to receive quarterly replacement of dosimeter for every 3months starting from April, July, October, or January, must apply to Users Office by the15th of the month of replacement. If there is no application submitted, a new dosimeter will not be preparedso please return it without replacing it.
What was revised?
Once the dosimeter is collected, a new dosimeter will be issued for periodic replacement. After April 2024, if you wish
to receive a personal dosimeter for the next quarter, you must request by the 15th of the month of replacement.
NOTE: Women who exchange monthly only need to apply every three months.

How to apply:
Please submit the "J-PARC Admission Application Form" stating the period of use.
Application deadline--- Periodic replacement of personal dosimeters (review of operational methods) (2024-)

Related procedures
Modification
Radiation worker is required to complete the appropriate procedure immediately in the following cases:
Change of your affiliation - Deregistration followed by re-registration
Change of location to access - Contact Users Office for the changing of your registration
When you learn you are pregnant, report it to the Users Office immediately in order to modify to lower exposure limits.

Deregistration
Please cancel the badge if you do not plan to work at J-PARC again. In order to deregister during the fiscal year, contact Users
Office by e-mail.

Annual renewal
The registrations of users are valid only for the current fiscal year, and will be automatically invalidated at the end of the fiscalyear (The Japanese fiscal year begins in April and ends in March.) If you want to continue to work in the next fiscal year
especially in April, you need to complete the renewal procedure.