Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-116-07-47  05-0N6704                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                   0%           0%                             
05-SB-101-27.8/46.6                    Federal Project:                                 
05-SLO-101-0.5/25.9                                     NONE                            
                                                                                        
                                                                                        
Progress payment No. 01            Payment period ending: 04-20-07                      
SURFACE PREPARATION                                                                     
TECHNOLOGIES INC                                                                        
81 TEXACO ROAD                                                                          
MECHANICSBURG PA 17050                                                                  
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.           1,500.00        1,500.00                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention            1,500.00        1,500.00                      
5. Mobilization                                                                         
6. Total Work Completed        1,500.00                                                 
7. Deductions                                                                           
8. a.Contract Retentions                   -150.00         -150.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor                1,350.00        1,350.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                               1,350.00