Ill. Admin. Code tit. 32, pt. 315, tbl. B

Current through Register Vol. 48, No. 49, December 6, 2024
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:

µm

=

micrometers

ts

=

time in seconds

J

=

joules

W

=

watts

cm

=

centimeters

mm

=

millimeter

Ill. Admin. Code tit. 32, pt. 315, tbl. B