Kan. Admin. Regs. § 28-35-135d - Definitions
As used in these regulations, each of the following terms shall have the meaning assigned in this regulation:
(a) "Deadman switch" means a switch
constructed so that circuit closure can be maintained only by continuous
pressure by the operator.
(b)
"Declared pregnant woman" means a woman who has voluntarily informed her
employer, in writing, of her pregnancy and the estimated date of delivery. The
written declaration shall remain in effect until the declared pregnant woman
withdraws the declaration in writing or is no longer pregnant.
(c) "Decommission" means to remove a facility
or site safely from service and reduce residual radioactivity to a level that
permits either of the following:
(1) The
release of the property for unrestricted use and the termination of the
license; or
(2) the release of the
property under restricted conditions and the termination of the license.
(d) "Dedicated check
source" means a radioactive source that is used to ensure the constant
operation of a radiation detection or measurement device over several months or
years. This source may also be used for other purposes.
(e) "Deep dose equivalent (Hd)," which
applies to external whole body exposure, means the dose equivalent to a tissue
depth of one centimeter (1,000 mg/cm2).
(f) "Deliberate misconduct" means a person's
intentional act or omission about which the person knows one of the following:
(1) If not detected, the act or omission
would cause a licensee, a registrant, or an applicant to be in violation of any
statute, regulation, or order or any term, condition, or limitation of any
license issued by the secretary.
(2) The act or omission constitutes a
violation of a requirement, procedure, instruction, contract, purchase order,
or policy of a licensee, registrant, applicant, contractor, or subcontractor.
(3) The act or omission involves
the person's deliberate submission to the department, a licensee, a registrant,
an applicant, or a licensee's contractor or subcontractor of information
relating to a licensee's, a registrant's, or an applicant's operations that the
person knows to be incomplete or inaccurate in some respect.
(g) "Dentistry" means the
functions authorized by
K.S.A. 65-1421 et seq., and amendments thereto.
(h) "Department" means the
department of health and environment.
(i) "Depleted uranium" means source material
uranium in which the isotope uranium 235 is less than 0.711 percent of the
total weight of uranium present. This term shall not include special nuclear
material.
(j) "Derived air
concentration (DAC)" means the concentration of a given radionuclide in air
that, if breathed by the reference man for a working year of 2,000 hours under
conditions of light work, results in an intake of one ALI. For purposes of
these regulations, the condition of light work is an inhalation rate of 1.2
cubic meters of air per hour for 2,000 hours in a year. The DAC are values
specified in "appendices to part 4: standards for protection against
radiation," effective April 1994, which is adopted by reference in K.A.R.
28-35-135a.
(k) "Derived air
concentration-hour (DAC-hour)" means the product of the concentration of
radioactive material in air, expressed as a fraction or multiple of the derived
air concentration for each radionuclide, and the time of exposure to that
radionuclide, in hours. A licensee or registrant may assume that a total of
2,000 DAC-hours represents one ALI, which is equivalent to a committed
effective dose equivalent of 5 rem (0.05 Sv).
(l) "Diagnostic clinical procedures manual"
means a collection of written procedures that describes each method and other
instructions and precautions by which the licensee performs diagnostic clinical
procedures, each of which has been approved by the authorized user and includes
the radiopharmaceutical, dosage, and route of administration.
(m) "Diagnostic source assembly" means the
tube housing assembly with a beam-limiting device attached.
(n) "Diagnostic-type tube housing" means an
X-ray tube housing constructed so that the leakage radiation, at a distance of
one meter from the target, does not exceed 100 milliroentgens in one hour when
the tube is operated at the maximum rate of continuous tube current and the
maximum rate of tube potential.
(o) "Diagnostic X-ray imaging system" means
an assemblage of components for the generation, emission, and reception of
X-rays and the transformation, storage, and visual display of the resultant
X-ray image.
(p) "Diagnostic X-ray
system" means an X-ray system designed for irradiation of any part of the human
body for the purpose of diagnosis or visualization.
(q) "Direct scattered radiation" means
scattered radiation that has been deviated in direction only by materials
irradiated by the useful beam.
(r)
"Dose" is a generic term that means the absorbed dose, dose equivalent,
effective dose equivalent, committed dose equivalent, committed dose
equivalent, total organ dose equivalent, or total effective dose equivalent.
For purposes of these regulations, "radiation dose" shall be considered an
equivalent term.
(s) "Dose
equivalent (HT)" means the product of the absorbed dose in tissue, quality
factor, and all other necessary modifying factors at the location of interest.
The units of dose equivalent are the rem and sievert (Sv).
(t) "Dose limits" means the permissible upper
bounds of radiation doses established in accordance with these regulations. For
purposes of these regulations, "limits" is an equivalent term.
(u) "Dose-monitoring system" means a system
of devices for the detection, measurement, and display of quantities of
radiation.
(v) "Dose monitor unit"
means a unit response from the dose-monitoring system from which the absorbed
dose can be calculated.
(w)
"Dosimetry processor" means an individual or an organization that processes and
evaluates individual monitoring devices in order to determine the radiation
dose delivered to the monitoring devices.
(x) "Doubly encapsulated sealed source" means
a sealed source in which the radioactive material is sealed within an inner
capsule and that capsule is sealed within an outer capsule.
(y) "Drill" means a supervised, hands-on
instruction period intended to test, develop, or maintain a specific emergency
response capability. A drill may be a component of an exercise.
Notes
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No prior version found.