TITLE 32:  ENERGY
                  CHAPTER II:  DEPARTMENT OF NUCLEAR SAFETY
                     SUBCHAPTER b:  RADIATION PROTECTION

                                  PART 380
                     ANALYTICAL TYPES OF X-RAY EQUIPMENT


Section
380.10      Scope
380.20      Definition
380.30      Labeling
380.40      Radiation Exposure Standards
380.50      Tests and Inspections
380.60      Operating Procedures and Instructions
380.70      Monitoring

AUTHORITY:  Implementing and authorized by the Radiation Protection Act (Ill.
Rev. Stat. 1981, ch. 111�, pars. 211 et seq.).

SOURCE:  Filed and effective April 20, 1974, by the Department of Public
Health; transferred to the Department of Nuclear Safety by P.A. 81-1516,
effective December 3, 1980; codified at 7 Ill. Reg. 11280.

Section 380.10  Scope

This Part establishes special requirements for x-ray diffraction units, x-ray
spectrographic fluorescence equipment, etc.  The provisions of this Part are
in addition to, and not in substitution for, other applicable provisions of
Department regulations.

Section 380.20  Definitions

"Analytical x-ray machines or equipment" means any machine utilizing x-rays
for examination of the microscopic structure, or elemental or chemical
composition of materials.  This includes all types of x-ray diffraction and
spectrographic equipment.

Section 380.30  Labeling

     a)    A label bearing the words "Caution - Radiation - This Equipment
           Produces Radiation When Energized" shall be placed near any switch
           which energizes a tube.

     b)    A sign bearing the words "Caution - High Intensity X-Ray Beam", or
           words having a similar intent, shall be placed in the area
           immediately adjacent to each tube head.  The sign shall be so
           located that it is clearly visible to any person operating,
           aligning, or adjusting the unit, or handling or changing a sample.

     c)    A clearly visible indication of the presence of an x-ray beam
           shall be provided on or immediately adjacent to each tube head.

     d)    A clearly visible indication of the status (i.e., open or closed)
           of each shutter shall be provided.

Section 380.40  Radiation Exposure Standards

Radiation exposure to individuals, either within the control area or in the
environs of the installation, shall be so controlled that the maximum per-
missible dose equivalent values, as set forth in 32 Ill. Adm. Code 340, are
not exceeded.

Section 380.50  Tests and Inspections

    a)   Tests and inspections of all safety devices shall be performed at
         least monthly to insure their proper operation.

    b)   Surveys and monitoring sufficient to insure that operations are
         conducted safely shall be provided.

    c)   Records of tests and inspections, surveys, and monitoring
         sufficient to show compliance to Department regulations shall be
         maintained and kept available for inspection by a representative of
         the Department, upon demand.

Section 380.60  Operating Procedures and Instructions

    a)   Individuals having access to analytical x-ray machines or equipment
         shall be provided with specific written instructions concerning the
         radiation hazards, safe working practices, and made aware of the
         symptoms of an acute localized exposure to radiation.  These
         instructions shall be posted near the controls of the x-ray
         machine(s).

    b)   Medical personnel examining work-connected injuries shall be
         informed of the possibility of radiation exposure to the worker
         from the devices regulated in this Part.

    c)   Operators shall be instructed in the procedures for reporting an
         actual or suspected radiation overexposure.  When it has been
         determined that an overexposure to an individual has occurred, it
         shall be reported to the Department without undue delay.

    d)   In cases where the primary x-ray beam is not intercepted by the
         experimental apparatus under all conditions of operation,
         protective measures shall be provided, such as auxiliary shielding,
         to avoid exposure to the primary x-ray beam.

    e)   If, for any reason, it is necessary to temporarily intentionally
         alter safety devices, such as bypassing interlocks or removing
         shielding, such action shall be:

         1)   specified in writing and posted near the x-ray tube housing so
              that other persons will know the existing status of the
              machine; and

         2)   terminated as soon as possible.

    f)   Whenever possible, an interlocking device which prevents the entry
         of any portion of an individual body or extremities into the
         primary beam, or causes the primary beam to be shut off upon entry
         into its path, shall be provided.

    g)   Unused tube ports shall be closed in such a fashion that accidental
         opening is not possible.

Section 380.70  Monitoring

Operators of analytical x-ray equipment shall be provided with finger or wrist
radiation monitoring devices if the equipment is not provided with interlocks
as specified in Section 380.60(f).  Reported exposure or dose values shall not
be used for the purpose of determining compliance with 32 Ill. Adm. Code 340
unless evaluated by a qualified expert.