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 A   SSL Equations

 

 

Equations for Soil Ingestion Exposure Route

Remediation Objectives for Noncarcinogenic Contaminants (mg/kg)

S1

Remediation Objectives for Carcinogenic Contaminants − Residential (mg/kg)

S2

Remediation Objectives for Carcinogenic Contaminants − Industrial/Commercial, Construction Worker (mg/kg)

S3

 

Equations for Inhalation Exposure Route (Organic Contaminants and Mercury

Remediation Objectives for Noncarcinogenic Contaminants − Residential, Industrial/Commercial (mg/kg)

S4

Remediation Objectives for Noncarcinogenic Contaminants − Construction Worker (mg/kg)

S5

Remediation Objectives for Carcinogenic Contaminants − Residential, Industrial/ Commercial (mg/kg)

S6

Remediation Objectives for Carcinogenic Contaminants − Construction Worker (mg/kg)

S7

Equation for Derivation of the Volatilization Factor − Residential, Industrial/ Commercial, VF (m3/kg)

S8

Equation for Derivation of the Volatilization Factor − Construction Worker, VF' (m3/kg)

VF' =

S9

Equation for Derivation of Apparent Diffusivity, DA (cm2/s)

S10

 

Equations for Inhalation Exposure Route (Fugitive Dusts)

Remediation Objectives for Noncarcinogenic Contaminants − Residential, Industrial/Commercial (mg/kg)

S11

Remediation Objectives for Noncarcinogenic Contaminants − Construction Worker (mg/kg)

S12

Remediation Objectives for Carcinogenic Contaminants − Residential, Industrial/ Commercial (mg/kg)

S13

Remediation Objectives for Carcinogenic Contaminants − Construction Worker (mg/kg)

S14

Equation for Derivation of Particulate Emission Factor, PEF (m3/kg)

S15

 

Equation for Derivation of Particulate Emission Factor, PEF' − Construction Worker (m3/kg)

 

NOTE: PEF must be the industrial/commercial value

S16

 


 

 

Equations for the Soil Component of the Groundwater Ingestion Exposure Route

Remediation Objective

(mg/kg)

 

NOTE:  This equation can only be used to model contaminant migration not in the water bearing unit.

S17

Target Soil Leachate Concentration, Cw (mg/L)

Cw = DF • GWobj

S18

Soil-Water Partition Coefficient, Kd (cm3/g)

Kd = Koc foc

S19

Water-Filled Soil Porosity,

θw (Lwater/Lsoil)

S20

Air-Filled Soil Porosity,

θa (Lair/Lsoil)

θa = η - θw

S21

Dilution Factor, DF (unitless)

S22

Groundwater Remediation Objection for Carcinogenic Contaminants, GWobj (mg/L)

S23

 

Total Soil Porosity, η (Lpore/Lsoil)

S24

 

Equation for Estimation of Mixing Zone Depth, d (m)

 

S25

 

Mass-Limit Equations for Inhalation Exposure Route and Soil Component of the Groundwater Ingestion Exposure Route

Mass-Limit Volatilization Factor for the Inhalation Exposure Route − Residential, Industrial/Commercial VF (m3/kg)

 

NOTE: This equation may be used when vertical thickness of contamination is known or can be estimated reliably.

S26

Mass-Limit Volatilization Factor for the Inhalation Exposure Route − Construction Worker, VT' − (m3/kg)

S27

Mass-Limit Remediation Objective for Soil Component of the Groundwater Ingestion Exposure Route (mg/kg)

 

NOTE:  This equation may be used when vertical thickness is known or can be estimated reliably.

S28

Equation for Derivation of the Soil Saturation Limit, Csat

S29

Equation for the soil gas component of the Outdoor Inhalation Exposure Route

 

S30

 

(Source:  Amended at 37 Ill. Reg. 7506, effective May 15, 2013)