Illinois Administrative Code
Title 32 - ENERGY
Part 315 - STANDARDS FOR PROTECTION AGAINST LASER RADIATION
Table B - MPE for Skin Exposure
Ultraviolet
|
Wavelength (µm) |
Exposure Duration, ts |
(J cm-2) |
MPE (W cm-2) |
|
0.180 to 0.302 |
10-9 to 3 x 104 |
3 x 10-3 |
|
|
0.303 |
10-9 to 3 x 104 |
4 x 10-3 |
|
|
0.304 |
10-9 to 3 x 104 |
6 x 10-3 |
|
|
0.305 |
10-9 to 3 x 104 |
1.0 x 10-2 |
|
|
0.306 |
10-9 to 3 x 104 |
1.6 x 10-2 |
|
|
0.307 |
10-9 to 3 x 104 |
2.5 x 10-2 |
|
|
0.308 |
10-9 to 3 x 104 |
4.0 x 10-2 |
|
|
0.309 |
10-9 to 3 x 104 |
6.3 x 10-2 |
|
|
0.310 |
10-9 to 3 x 104 |
1.0 x 10-1 |
|
|
0.311 |
10-9 to 3 x 104 |
1.6 x 10-1 |
|
|
0.312 |
10-9 to 3 x 104 |
2.5 x 10-1 |
|
|
0.313 |
10-9 to 3 x 104 |
4.0 x 10-1 |
|
|
0.314 |
10-9 to 3 x 104 |
6.3 x 10-1 |
|
|
0.315 to 0.400 |
10-9 to 10 |
0.56 t1/4 |
|
|
0.315 to 0.400 |
10 x 103 |
1 |
|
|
0.315 to 0.400 |
103 to 3 x 104 |
1 x 10-3 |
|
NOTES: |
1. |
To calculate MPE, use the J cm-2 value shown or 0.56t1/4, whichever is lower. |
|
2. |
3.5 mm limiting aperture (see Section 315.Table D). |
Visible and Near Infrared
|
Wavelength (µm) |
Exposure Duration, ts |
(J cm-2) |
MPE (W cm-2) |
|
0.400 to 1.400 |
10-9 to 10-7 |
2CA x 10-2 |
|
|
10-7 to 10 |
1.1 CAt1/4 |
||
|
10 to 3 x 104 |
0.2 CA |
NOTE: 3.5 mm limiting aperture (see Section 315.Table D).
Far Infrared
|
Wavelength (µm) |
Exposure Duration, ts |
(J cm-2) |
MPE (W cm-2) |
|
1.400 to 103 |
10-9 to 10-7 |
10-2 |
|
|
10-7 to 10 |
0.56t1/4 |
||
|
>10 |
0.1 |
NOTE: See Section 315.Table D for limiting apertures.
|
GENERAL NOTE: |
1. |
For purposes of this Table, the following abbreviations are used: |
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|
µm |
= |
micrometers |
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|
ts |
= |
time in seconds |
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|
J |
= |
joules |
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|
W |
= |
watts |
||||
|
cm |
= |
centimeters |
||||
|
mm |
= |
millimeter |
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