Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-297-14-17  11-080004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  99%         100%                             
11-SD-8-R36.5/ .0                    Federal Project:                                   
                                     ACIM-008-1(300)                                    
                                                                                        
                                                                                        
Progress payment No. 21            Payment period ending: 10-20-07                      
TRUESDELL CORPORATION OF                                                                
CALIFORNIA INC                                                                          
3529 E WOOD STREET                                                                      
PHOENIX AZ 85040                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       4,276,706.18      286,449.92                      
2.a. Extra Work                         834,917.75            0.00                      
  b. Adjustment Comp.                  -157,379.04     -226,844.98                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        4,954,244.89       59,604.94                      
5. Mobilization                         263,400.00            0.00                      
6. Total Work Completed    5,217,644.89                                                 
7. Deductions                           -24,125.00            0.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            5,193,519.89       59,604.94                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              59,604.94