Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-233-15-14  11-080004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  98%         100%                             
11-SD-8-R36.5/ .0                    Federal Project:                                   
                                     ACIM-008-1(300)                                    
                                                                                        
                                                                                        
Progress payment No. 19            Payment period ending: 08-20-07                      
TRUESDELL CORPORATION OF                                                                
CALIFORNIA INC                                                                          
3529 E WOOD STREET                                                                      
PHOENIX AZ 85040                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       3,966,976.66       88,648.40                      
2.a. Extra Work                         810,003.41      156,405.97                      
  b. Adjustment Comp.                    69,465.94       -7,688.00                      
3. Materials on Hand                          0.00      -16,677.97                      
4. Earned Subject to Retention        4,846,446.01      220,688.40                      
5. Mobilization                         263,400.00            0.00                      
6. Total Work Completed    5,109,846.01                                                 
7. Deductions                           -32,989.84       -8,864.84                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            5,076,856.17      211,823.56                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             211,823.56