Spectral Region

(μm)

Duration

(s)

Aperture Diameter (mm)

Eye

Skin

0.180 to 0.400

10^-9 to 0.25

1.0

3.5

0.25 to 3 x 10⁴

3.5

3.5

0.400 to 1.400

10^-9 to 3 x 10⁴

7.0

3.5

1.400 to 10²

10^-9 to 0.3

1.0

3.5

0.3 to 10

1.5 t^3/8

3.5

10 to 3 x 10⁴

3.5

3.5

10² to 10³

10^-9 to 3 x 10⁴

11.0

11.0

NOTES:

1.

Under normal conditions these exposure durations would not be used for hazard evaluation (see ANSI Z136.1 (Table 8)).

2.

For purposes of this Section 315.Table D, the following abbreviations or symbols are used:

μm

=

micrometers

s

=

seconds

mm

=

millimeters

t^s

=

time in seconds