If today's number is outside the established limits, what do you do?
Repeat the procedure in areas of speed, contrast, fog, and
How often should you perform this test?
Exercises 11 through 15 pertain to the safelight test.
The purpose of the safelight test is to eliminate any potential source of
___________________________in the darkroom.
To perform the safelight test you need a 10- x 12-inch cassette, unloaded, some
opaque material, and ____________________________. (one more item)
After turning off all white and safelights in the darkroom, what do you do next?
How many times do you expose the film to the safelight?
The density differences between the fogged and unfogged areas on the
radiographic film should not exceed 0.5 for a ___________________________
Exercises 16 through 20 pertain to the darkroom assurance light leak test.
You check the darkroom area for light leaks because they could
_______________ the radiographic films.