TITLE 32: ENERGY
CHAPTER II: ILLINOIS EMERGENCY MANAGEMENT AGENCY
SUBCHAPTER b: RADIATION PROTECTION
PART 315 STANDARDS FOR PROTECTION AGAINST LASER RADIATION
SECTION 315.TABLE B MPE FOR SKIN EXPOSURE



Section 315.TABLE B MPE for Skin Exposure

 

Ultraviolet

 

Wavelength

(μm)

Exposure

Duration, ts

MPE

(J cm-2)

(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 t

 

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 0.56 t, whichever is lower.

 

2.

3.5 mm limiting aperture (see Section 315.Table D).

 


Visible and Near Infrared

 

Wavelength

(μm)

Exposure

Duration, ts

MPE

(J cm-2)

(W cm-2)

0.400 to 1.400

10-9 to 10-7

2CA x 10-2

 

 

 

10-7 to 10

1.1CA t

 

 

 

10 to 3 x 104

 

0.2CA

 

 

NOTE:

3.5 mm limiting aperture (see Section 315.Table D).

 


Far Infrared

 

Wavelength

(μm)

Exposure

Duration, ts

MPE

(J cm-2)

(W cm-2)

1.400 to 103

10-9 to 10-7

10-2

 

 

10-7 to 10

0.56 t

 

 

>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:

 

μm

=

micrometers

 

ts

=

time in seconds

 

J

=

joules

 

W

=

watts

 

cm

=

centimeters

 

mm

=

millimeter