Table 1. EXEMPT CONCENTRATIONS

Note: Some of the values in Table A-1 are presented in the computer ‘‘E’’ notation. In this notation, a value of 6E-02 represents a value of 6 x 10^-2 or 0.06, 6E+2 represents 6 x 10² or 600 and 6E+0 represents 6 x 10⁰ or 6.

Element (atomic number)	Isotope	Column I Gas concentration µCi/ml	Column II Liquid and solid concentration µCi/ml
Actinium (89)	Ac-228		9E-04
Cesium (55)	Cs-129		3E-03
Europium (63)	Eu-154		2E-04
Gallium (31)	Ga-67		2E-03
Germanium (32)	Ge-68		9E-03
Gold (79)	Au-195		1E-02
Indium (49)	In-111		1E-03
Iodine (53)	I-123		3E-04
	I-124		4E-06
	I-125		2E-06
Lead (82)	Pb-212		2E-04
Phosphorus (15)	P-33		3E-04
Potassium (19)	K-43		2E-04
Protactinium (91)	Pa-230		2E-03
Radium (88)	Ra-223		7E-06
	Ra-224		2E-05
	Ra-228		3E-07
Radon (86)	Rn-220	1E-07
	Rn-222	3E-08
Sodium (11)	Na-22		4E-04
Technetium (43)	Tc-97m		4E-03
Xenon (54)	Xe-127	4E-06
Yttrium (39)	Y-88		8E-04

Source

The provisions of this § 217.136 adopted September 14, 2001, effective September 15, 2001, 31 Pa.B. 5239; amended July 16, 2004, effective July 17, 2004, 34 Pa.B. 3823. Immediately preceeding text appears at serial pages (282351) to (282352).