Ill. Admin. Code tit. 32, § 315.TABLE B – MPE for Skin Exposure | Midpage

Collections
Illinois Administrative Code

Appendix 315.TABLE B

Ill. Admin. Code tit. 32, § 315.TABLE B

MPE for Skin Exposure

AUTHORITY: Implementing and authorized by the Laser System Act of 1997 [420 ILCS 56].ILLINOIS EMERGENCY MANAGEMENT AGENCY AND OFFICE OF HOMELAND SECURITY

Ultraviolet

Wavelength (μm)	Exposure Duration, t^s	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^¼
0.315 to 0.400	10 x 10³	1
0.315 to 0.400	10³to 3 x 10⁴		1 x 10^-3

NOTES:	1.	To calculate MPE, use the J cm^-2 value shown or 0.56 t^¼, whichever is lower.
	2.	3.5 mm limiting aperture (see Section 315.Table D).

Visible and Near Infrared

Wavelength (μm)	Exposure Duration, t^s	MPE
(J cm^-2)	(W cm^-2)
0.400 to 1.400	10^-9 to 10^-7	2C_A x 10^-2
	10^-7 to 10	1.1C_A t^¼
	10 to 3 x 10⁴		0.2C_A

NOTE:

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

Far Infrared

Wavelength (μm)	Exposure Duration, t^s	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^¼
	>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
	t^s	=	time in seconds
	J	=	joules
	W	=	watts
	cm	=	centimeters
	mm	=	millimeter