VISL Equations
On this page:
- Resident Air Screening Level
- Worker Air Screening Level
- Groundwater Screening Level
- Soil Gas Screening Level
- Vapor Intrusion Screening Level Supporting Equations
- Indoor Air Concentration Derived from Soil Gas Concentration
- Indoor Air Concentration Derived from Groundwater Concentration
- Calculation of Risks and Hazards from Indoor Air Concentrations
- Resident Air CDI
- Worker Air CDI
- Using Unit's in ppb
- Modifications of Groundwater Temperatures
Resident Air Screening Level
Noncarcinogenic
Inhalation
Carcinogenic
Inhalation
Mutagenic
Inhalation
Vinyl Chloride
Inhalation
Trichloroethylene
Inhalation
- Trichloroethylene Supporting Equation
Inhalation
Worker Air Screening Level
Noncarcinogenic
Inhalation
Carcinogenic
Inhalation
Groundwater Screening Level
Soil Gas Screening Level
Vapor Intrusion Screening Level Supporting Equations
- Pure Phase Vapor Concentration
- Groundwater Vapor Concentration
Indoor Air Concentration Derived from Soil Gas Concentration
- Calculated Indoor Air Concentration from Soil Gas
Indoor Air Concentration Derived from Groundwater Concentration
- Calculated Indoor Air Concentration from Groundwater
Calculation of Risks and Hazards from Indoor Air Concentrations
- Excess Lifetime Cancer Risk
- Hazard Quotient
Resident Air CDI
Chronic Daily Intake Resident Noncarcinogenic
![Vapor Intrusion Chronic Daily Intake Resident Noncarcinogenic Vapor Intrusion Chronic Daily Intake Resident Noncarcinogenic](/sites/static/files/styles/large/public/2018-03/visl_cdi_res_air_nc_inh.gif)
Chronic Daily Intake Resident Carcinogenic
![Vapor Intrusion Chronic Daily Intake Resident Carcinogenic Vapor Intrusion Chronic Daily Intake Resident Carcinogenic](/sites/static/files/styles/large/public/2018-03/visl_cdi_res_air_ca_inh.gif)
Chronic Daily Intake Resident Mutagenic
![Vapor Intrusion Chronic Daily Intake Resident Mutagenic Vapor Intrusion Chronic Daily Intake Resident Mutagenic](/sites/static/files/styles/large/public/2018-03/visl_cdi_res_air_mu_inh.gif)
Chronic Daily Intake Resident Vinyl Chloride
![Vapor Intrusion Chronic Daily Intake Resident Vinyl Chloride Vapor Intrusion Chronic Daily Intake Resident Vinyl Chloride](/sites/static/files/styles/large/public/2018-03/visl_cdi_res_air_vc_inh.gif)
Chronic Daily Intake Resident Trichloroethylene
![Vapor Intrusion Chronic Daily Intake Resident Trichloroethylene Vapor Intrusion Chronic Daily Intake Resident Trichloroethylene](/sites/static/files/styles/large/public/2018-03/visl_cdi_res_air_tce_inh.gif)
- Trichloroethylene Supporting Equation
Inhalation
Worker Air CDI
Chronic Daily Intake Worker Noncarcinogenic
![Vapor Intrusion Chronic Daily Intake Industrial Worker Noncarcinogenic Vapor Intrusion Chronic Daily Intake Industrial Worker Noncarcinogenic](/sites/static/files/styles/large/public/2018-03/visl_cdi_com_air_nc_inh.gif)
Chronic Daily Intake Worker Carcinogenic
![Vapor Intrusion Chronic Daily Intake Industrial Worker Carcinogenic Vapor Intrusion Chronic Daily Intake Industrial Worker Carcinogenic](/sites/static/files/styles/large/public/2018-03/visl_cdi_com_air_ca_inh.gif)
Using Units in ppb
- ppb Unit Conversion