TITLE 35: ENVIRONMENTAL PROTECTION
SUBTITLE G: WASTE DISPOSAL
CHAPTER I: POLLUTION CONTROL BOARD
SUBCHAPTER f: RISK BASED CLEANUP OBJECTIVES
PART 742 TIERED APPROACH TO CORRECTIVE ACTION OBJECTIVES
SECTION 742.APPENDIX C TIER 2 ILLUSTRATIONS AND TABLES



Section 742.APPENDIX C   Tier 2 Illustrations and Tables

 

Section 742.TABLE G   Error Function (erf)

 

 

 

b

erf (b)

 

b

erf (b)

0

0

 

1.1

0.880205

0.05

0.056372

 

1.2

0.910314

0.1

0.112463

 

1.3

0.934008

0.15

0.167996

 

1.4

0.952285

0.2

0.222703

 

1.5

0.966105

0.25

0.276326

 

1.6

0.976348

0.3

0.328627

 

1.7

0.983790

0.35

0.379382

 

1.8

0.989091

0.4

0.428392

 

1.9

0.992790

0.45

0.475482

 

2.0

0.995322

0.5

0.520500

 

2.1

0.997021

0.55

0.563323

 

2.2

0.998137

0.6

0.603856

 

2.3

0.998857

0.65

0.642029

 

2.4

0.999311

0.7

0.677801

 

2.5

0.999593

0.75

0.711156

 

2.6

0.999764

0.8

0.742101

 

2.7

0.999866

0.85

0.770668

 

2.8

0.999925

0.9

0.796908

 

2.9

0.999959

0.95

0.820891

 

3.0

0.999978

1.0

0.842701

 

 

 

 

(Source:  Amended at 31 Ill. Reg. 4063, effective February 23, 2007)