| Subject | 
        Sample Time | 
        Re-assayed Concentration | 
        Original Concentration | 
        %Accuracy  | 
        %Recovery | 
       
      
        | 104 | 
        0h | 
        0.36 | 
        0.37 | 
        -3.25% | 
        96.23% | 
       
      
        | 104 | 
        1h | 
        2.97 | 
        3.25 | 
        -8.50% | 
        91.50% | 
       
      
        | 104 | 
        8h | 
        1.25 | 
        1.46 | 
        -14.32% | 
        85.68% | 
       
      
        | 101 | 
        0h | 
        0.48 | 
        0.48 | 
        -0.32% | 
        100.52% | 
       
      
        | 101 | 
        1h | 
        1.88 | 
        2.10 | 
        -10.29% | 
        89.71% | 
       
      
        | 101 | 
        8h | 
        1.23 | 
        1.39 | 
        -11.41% | 
        88.59% | 
       
      
        | 118 | 
        0h | 
        0.45 | 
        0.48 | 
        -5.49% | 
        94.12% | 
       
      
        | 118 | 
        1h | 
        2.42 | 
        2.88 | 
        -15.81% | 
        84.19% | 
       
      
        | 118 | 
        8h | 
        1.37 | 
        1.55 | 
        -11.45% | 
        88.55% | 
       
      |