iaea human health series publications - SEDIM

TABLE 4. RADIOGRAPHER’S QUALITY CONTROL TESTS (cont.)Test Priority a Tolerances or recommended levelsSemi-annual testsCR plate sensitivity matching E See Section 7.5.1.4for CR manufacturer specific requirementsCR plate artefacts E See Section 7.5.1.4Acceptable: No clinically significant artefactsabcdefE — essential, basic requirement; D — desirable.It is desirable that this test be performed on a daily basis and essential that it be performed weekly.For wet processors, it is desirable that this test be performed on a daily basis and essential that it be performed on those days thatimages will be printed for diagnostic purposes. For dry processors, the test is only required monthly.Secondary erasure should be performed daily and primary erasure weekly or as per the manufacturer’s instructions.It is desirable that checks for laser printer artefacts be performed weekly and essential that they be performed monthly.If laser film with wet processing is used for hard copy printing, see the relevant section in the report on Quality AssuranceProgramme for Screen Film Mammography (IAEA Human Health Series No. 2 [34]) for guidance on storage, processing anddarkroom issues.40