CHEMICAL PROFILES|Scorecard's Preferred Sources for Risk Assessment Values

The following tables list national and state regulatory agency sources in the order that they contribute risk assessment values to Scorecard.

CHRONIC ORAL REFERENCE DOSE
1. EPA IRIS Chronic Reference Dose: 368 values
2. EPA HEAST Chronic Reference Dose: 91 values
3. EPA OPP Reference Dose: 218 values
4. EPA SCDM Reference Dose: 7 values
5. EPA HWIR Reference Dose: 4 values
6. EPA TRI Reference Dose: 41 values
7. EPA HEAST Subchronic Reference Dose: 4 values
8. ATSDR Chronic Minimum Risk Level: 6 values
9. ATSDR Intermediate Minimum Risk Level: 16 values
10. CalEPA OEHHA Maximum Allowable Daily Level: 1 value
11. EDF-CalEPA Reference Dose: 4 values

CHRONIC INHALATION REFERENCE CONCENTRATION
1. CalEPA OEHHA Chronic Reference Exposure Level: 166 values
2. EPA IRIS Chronic Reference Concentration: 13 values
3. EPA HEAST Chronic Reference Concentration: 16 values
4. CalEPA CAPCOA Chronic Reference Exposure Level: 17 values
5. EPA SCDM Reference Concentration: 2 values
6. EPA HWIR Reference Concentration: 3 values
7. EPA TRI Reference Concentration: 25 values
8. EPA HEAST Subchronic Reference Concentration: 1 value
9. ATSDR Chronic Minimum Risk Level: 4 values
10. ATSDR Intermediate Minimum Risk Level: 15 values
11. CalEPA OEHHA Maximum Allowable Daily Level: 5 values
12. EDF-CalEPA Reference Concentration: 4 values

ORAL CANCER POTENCY
1. CalEPA OEHHA Oral Slope Factor: 275 values
2. EPA IRIS Oral Slope Factor: 19 values
3. EPA HEAST Oral Slope Factor: 30 values
4. EPA OPP Oral QStar: 64 values
5. EPA SCDM Oral Slope Factor: 6 values
6. EPA HWIR Oral Slope Factor: 3 values
7. EPA TRI Oral Slope Factor: 19 values
8. EPA HEAST Radionuclide Oral Slope Factor: 301 values
9. CalEPA OEHHA No Significant Risk Level Oral Slope Factor: 28 values
10. EDF-EPA Oral Slope Factor: 8 values

INHALATION CANCER POTENCY
1. CalEPA OEHHA-TCD Inhalation Unit Risk: 279 values
2. CalEPA OEHHA-TCD Inhalation Slope Factor: 2 value
3. CalEPA OEHHA Air Toxics Hot Spots Inhalation Unit Risk: 4 values
4. EPA IRIS Inhalation Unit Risk: 7 values
5. EPA HEAST Inhalation Unit Risk: 3 values
6. EPA HEAST Inhalation Slope Factor: 1 value
7. EPA SCDM Inhalation Slope Factor: 3 values
8. EPA HWIR Inhalation Unit Risk: 2 values
9. EPA TRI Inhalation Toxicity Weight: 3 values
10. EPA HEAST Radionuclide Inhalation Slope Factor: 324 values
11. CalEPA OEHHA No Significant Risk Level Inhalation Slope Factor: 32 values
12. EDF-EPA Inhalation Slope Factor: 5 values
13. CalEPA OEHHA-TCD Oral Slope Factor: 3 values
14. EPA IRIS Oral Slope Factor: 11 values
15. EPA HEAST Oral Slope Factor: 18 values
16. EPA OPP Oral QStar: 62 values
17. EPA HWIR Oral Slope Factor: 1 value
18. EPA TRI Oral Slope Factor: 11 values