Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-173-10-18  03-0E1704                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  59%          90%                             
03-SAC-80-M1.4/14.5                    Federal Project:                                 
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 03            Payment period ending: 06-21-07                      
CONTRACTORS CHEMICAL INC                                                                
3130 DEPOT ROAD                                                                         
HAYWARD CA 94545                                                                        
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         333,111.00      122,518.00                      
2.a. Extra Work                          55,630.63            0.00                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          388,741.63      122,518.00                      
5. Mobilization                          55,000.00        2,750.00                      
6. Total Work Completed      443,741.63                                                 
7. Deductions                            -6,000.00            0.00                      
8. a.Contract Retentions                -19,437.08       -5,500.97                      
   b. Unsatisfactory Prog.               -6,125.90       -6,125.90                      
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              412,178.65      113,641.13                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             113,641.13