Human Health Risk Assessment - Raytheon

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Human Health Risk Assessment
DRAFT
4.3.6 Azalea Park Landscape/Maintenance Worker 33
4.3.7 Azalea Park Ball Player and Recreation Center Employees 33
4.3.8 Pinellas Trail User 33
4.3.9 Apartment/Condo Complex Landscaper 34
4.3.10 Apartment/Condo Resident 34
4.3.11 Apartment/Condo Construction/Utility Worker 34
4.3.12 Off-Site Residents 35
5 Toxicity Assessment 41
5.1 Toxicity Information for Carcinogenic Effects 42
5.1.1 Oral and Dermal CSFs 42
5.1.2 Inhalation Unit Risk Factors and CSFs 43
5.2 Toxicity Information for Non-carcinogenic Effects 43
5.2.1 Oral and Dermal RfDs 43
5.2.2 Inhalation RfCs 43
6 Risk Characterization 44
6.1 Risk Summary 46
6.1.1 On-Site Facility Worker 46
6.1.2 On-Site Landscape Worker 47
6.1.3 On-Site Trespasser 48
6.1.4 On-Site Construction Worker 48
6.1.5 On-Site Utility Worker 49
6.1.6 Azalea Park Landscape/Maintenance Workers 50
6.1.7 Azalea Park Ball Player and Visitor to Azalea Park Recreation Center 50
6.1.8 Pinellas Trail User 50
6.1.9 Apartment/Condo Complex Landscapers 51
6.1.10 Apartment/Condo Complex Construction/Utility Worker 51
6.1.11 Apartment/Condo Residents 52
6.1.12 Off-Site Residents (other than Brandywine and Stone’s Throw) 52
6.2 Comparison to RBSLs 52
6.3 Potential Ecological Risks 54
7 Uncertainty Analysis 55
7.1 Site Characterization Data 55
7.2 Exposure Assessment 56
7.3 Toxicity Assessment 57
8 Conclusions 58
List of Tables
Table 1. Constituents of Potential Concern in On-Site Groundwater
Table 2. Constituents of Potential Concern in Off-Site Groundwater