Understanding NRT- Reading 1- 2 of 2- Radiogaphic Testing A
Understanding nrt reading 1- 2 of 2- radiogaphic testing a
Understanding nrt reading 1- 2 of 2- radiogaphic testing a
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Film should be located in a light, tight compartment, which is most <strong>of</strong>ten a<br />
metal bin that is used to store and protect the film. An area next to the film bin<br />
that is dry and free <strong>of</strong> dust and dirt should be used to load and unload the film.<br />
While another area, the wet side, will be used to process the film. Thus<br />
protecting the film from any water or chemicals that may be located on the<br />
surface <strong>of</strong> the wet side.<br />
Each <strong>of</strong> step in film processing must be excited properly to develop the image,<br />
wash out residual processing chemicals, and to provide adequate shelf life <strong>of</strong><br />
the radiograph. The objective <strong>of</strong> processing is two fold. First to produce a<br />
radiograph adequate for viewing, and secondly to prepare the radiograph for<br />
archival storage. A radiograph may be retrieved after 5 or even 20 years in<br />
storage.<br />
Charlie Chong/ Fion Zhang
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