DOL/MSHA-24

SYSTEM NAME:

Radon Daughter Exposure

SECURITY CLASSIFICATION:

Unclassified.

SYSTEM LOCATION:

Division of Health, Office of the Administrator for Metal and Nonmetal Mine Safety and Health, Mine Safety and Health Administration, U.S. Department of Labor, 4015 Wilson Boulevard, Arlington, Virginia 22203

CATEGORIES OF INDIVIDUALS COVERED BY THE SYSTEM:

All individuals for whom mine operators were required to calculate and record radon daughter exposure in the previous calendar year.

CATEGORIES OF RECORDS IN THE SYSTEM:

Mine I.D. number, mine name, section, township, range, county, and state of mine location, operator, and time period, individual's name, social security number, current year's radon daughter exposure and cumulative radon daughter exposure in working level months (WLM).

AUTHORITY FOR MAINTENANCE OF THE SYSTEM:

30 U.S.C. 811, 961

PURPOSE:

To document exposure of miners to radon daughters, a form of radiation which has been proven to cause cancer in humans and is well known as a severe hazard for metal and nonmetal miners. The exposure limit is an annual limit which requires careful documentation to ensure that no miner is overexposed.

ROUTINE USES OF RECORDS MAINTAINED IN THE SYSTEM, INCLUDING CATEGORIES OF USERS AND THE PURPOSES OF SUCH USES:

None, except for those routine uses listed in the General Prefatory Statement of this document.

DISCLOSURE TO CONSUMER REPORTING AGENCIES:

None.

POLICIES AND PRACTICES FOR STORING, ACCESSING, RETAINING, AND DISPOSING OF RECORDS IN THE SYSTEM:

STORAGE:

Manual files.

RETRIEVABILITY:

By year, mine name, mine operator, and individual name.

SAFEGUARDS:

Manual records are kept in locked file cabinets. During working hours records are accessible only to authorized personnel.

RETENTION AND DISPOSAL:

Retained until individual would have turned 75 years old or until 10 years after known death of individual.

SYSTEM MANAGER(S) AND ADDRESS:

Chief of Health, Administrator for Metal and Nonmetal Mine Safety and Health, same address as above.

NOTIFICATION PROCEDURE:

Inquiries regarding the existence of records should be addressed to the System Manager. A written, signed request stating that the requester seeks information concerning records pertaining to him/her is required or a letter signed by the individual or his estate authorizing the requester to obtain the information. (As per 30 CFR 57.5040 and ANSI N13.8-1973 "Radiation Protection in Uranium Mines.")

RECORDS ACCESS PROCEDURES:

To see your records, write the System Manager and describe as specifically as possible the records sought and furnish the following information:

a. Full name

b. Address

c. Signature

CONTESTING RECORD PROCEDURES:

To see your records, write the System Manager and describe as specifically as possible the records sought and furnish the following information:

a. Full name

b. Address

c. Signature

RECORD SOURCE CATEGORIES:

Mine operators.

SYSTEMS EXEMPTED FROM CERTAIN PROVISIONS OF THE ACT:

None.