Dept. of Trans.       SEMI-FINAL   Serial No.  Contract No.                             
                                          10-201-06-23  06-0G4204                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
06-FRE-41-R22.1/ .0                    Federal Project:                                 
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 05            Payment period ending: 05-07-10                      
CONTRACTORS CHEMICAL INC                                                                
3130 DEPOT ROAD                                                                         
HAYWARD CA 94945                                                                        
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         323,093.50            0.00                      
2.a. Extra Work                          15,039.71        4,244.51                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          338,133.21        4,244.51                      
5. Mobilization                          35,000.00            0.00                      
6. Total Work Completed      373,133.21                                                 
7. Deductions                           -78,000.00            0.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              295,133.21        4,244.51                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                               4,244.51