Dept. of Trans.       AFTER ACCEPTANCE   Serial No.  Contract No.                       
                                          07-291-15-08  01-442304                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
01-HUM-299-R11.0/19.0                    Federal Project:                               
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 09-20-07                      
WINDSOR FUEL CO                                                                         
P O BOX 38                                                                              
WINDSOR CA 95492                                                                        
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       3,398,340.99     -180,000.00                      
2.a. Extra Work                          73,401.50       62,260.67                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention        3,471,742.49     -117,739.33                      
5. Mobilization                                                                         
6. Total Work Completed    3,471,742.49                                                 
7. Deductions                           -20,000.00      -20,000.00                      
8. a.Contract Retentions               -179,474.09            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.         179,474.09      179,474.09                      
9. Total pay to Contractor            3,451,742.49       41,734.76                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              41,734.76