R 333.5299 Class D operations.

Rule 299. (1) Industrial radiography conducted under conditions not meeting the provisions and requirements of R 333.5294 to R 333.5298 shall be classified as class D operations and shall not be operated longer than 30 days unless written authorization is granted by the department. (2) Written authorization may be granted by the department for class D operations longer than 30 days but not longer than 6 months when an undue and unnecessary hardship may result from the 30-day limitation. Written request by the registrant for this authorization is required and shall describe the hardship involved as well as provide written assurance of compliance with the requirements of these rules for class D operations. (3) Notwithstanding subrules (1) and (2) of this rule, a registrant routinely engaged in providing industrial radiography services with mobile or portable radiation machines at temporary job site locations may conduct such class D operations without time limitation subject to all of the following conditions: (a) The registrant shall give written notice to the department at least 2 working days before starting radiographic work at a job site. The notice shall include the radiographer's name; the machine registration number; the nature, duration, and scope of use; and the exact location of each job site. If the 2 work-day period would impose an undue hardship on the registrant, upon application to the department, he or she may arrange for other notification to comply with the intent of this requirement. (b) These class D operations shall be limited to locations and circumstances which cannot meet the provisions and requirements of permanent installation classification without undue and unnecessary hardship. (c) A copy of written operating and emergency procedures shall be filed with and approved by the department. (d) Upon reasonable notice from the department, the registrant shall submit to the department or otherwise make available copies of specific records pertaining to radiographic operations and personnel conducting these operations within this state. (4) A fence, rope, or other suitable barrier shall be erected along the 0.05 millisievert per hour (5 mrem/h)contour line during class D radiographic operations to exclude unauthorized individuals from the radiation area. (5) Notwithstanding the requirements of R 333.5073, the radiation area and high radiation area shall be posted with caution signs as specified in R 333.5067 to R 333.5072. (6) A registrant shall not permit an individual to act as a radiographer or as a radiographer's assistant unless, at all times during radiographic operation, the individual wears a long-term monitoring device such as a film badge or TLD and a short-term monitoring device such as a pocket dosimeter or pocket chamber. Pocket dosimeters and pocket chambers shall be capable of measuring doses from 0 to at least 2 millisieverts (200 mrem). A long-term monitoring device shall be assigned to and worn by only 1 individual. (7) Pocket dosimeters and pocket chambers shall be read and doses recorded daily. A film badge or similar device shall be immediately processed if a pocket chamber or pocket dosimeter is discharged beyond its range. All personnel exposure reports and records of pocket dosimeter and pocket chamber readings shall be maintained for inspection by the department. (8) Written operating and emergency procedures shall be available at each class D radiographic operation. REQUIREMENTS FOR CLASS D RADIOGRAPHIC OPERATIONS