       Provisional PFOA and PFOS Cleanup Target Levels/Screening Levels
                                     Media
                           Groundwater - PGCTL[*][*]
                                 Soil - PSCTL
                               Irrigation - IWSL
                                       
                                       
                                  Residential
                                  Commercial/
                                  Industrial
                                 Leachability
                                  Residential
                                  Commercial/
                                  Industrial
                                    Produce
Perfluorooctanoic acid (PFOA)
                                    70 ng/L
                                 (0.07 ug/L)
                                   1.3 mg/kg
                                   25 mg/kg
                                  0.002 mg/kg
                                   6.7 ug/L
                                   750 ug/L
                                      NA
Perfluorooctane sulfonate (PFOS)
                                       
                                   1.3 mg/kg
                                   25 mg/kg
                                  0.007 mg/kg
                                   72 ug/L
                                   370 ug/L
                                   0.6 ug/L
		  
                 PFOA and PFOS Surface Water Screening Levels
                                   Criteria
                                 Human Health
                                  Ecological
                                       
                                       
                                  Freshwater
                                    Marine
Perfluorooctanoic acid (PFOA)
                                   0.5 ug/L
                                  1,300 ug/L
                                      ND
Perfluorooctane sulfonate (PFOS)
                                  0.01 ug/L
                                   37 ug/L
                                   13 ug/L
        
        
        Notes:
            PGCTL  -  provisional groundwater cleanup target level
            PSCTL  -  provisional soil cleanup target level
            ISWL  -  irrigation water screening level
	NA  -  not applicable, model not applicable based on Kow
	ND  -  No data available for this calculation 
            [**] - sum of PFOA and PFOS should be compared to the PGCTL
            ug/L  -  micrograms per liter
            ng/L  -  nanograms per liter
            mg/kg  -  milligrams per kilogram
            
