Table I.

Latest version.

Filtration Required vs. Operating Voltage

Operating Voltage (kVp) Total Filtration (inherent plus added) (millimeters aluminum equivalent)

Below 50… .5 millimeters

50—70… 1.5 millimeters

Above 70… 2.5 millimeters

                    
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Operating Voltage (kVp)	Total Filtration (inherent plus added) (millimeters aluminum equivalent)
Below 50…	.5 millimeters
50—70…	1.5 millimeters
Above 70…	2.5 millimeters

Table I.

Filtration Required vs. Operating Voltage Operating Voltage (kVp)Total Filtration (inherent plus added) (millimeters aluminum equivalent) Below 50….5 millimeters 50—70…1.5 millimeters Above 70…2.5 millimeters

Filtration Required vs. Operating Voltage

Operating Voltage (kVp) Total Filtration (inherent plus added) (millimeters aluminum equivalent)

Below 50… .5 millimeters

50—70… 1.5 millimeters

Above 70… 2.5 millimeters