Dept. of Trans.             PROGRESS              Serial No.    Contract No.
                                                  24-143-10-33  05-1N8204
                    PROGRESS PAYMENT VOUCHER      %complete:    %time:
                                                    91%           72%

Location:                                         Federal Project:
05-SLO-101-28.9/28.9                              NONE

Progress payment No. 004                     Payment period ending: 05-20-24
KCI ENVIRONMENTAL INC.
PO BOX 3307
SAN LUIS OBISPO CA 93403

Escrow No. 00000
                                           Total Estimate      This Estimate
 1. Contract Itms Without Mobil.
 2. a. Extra Work                              339,465.60          10,125.68
    b. Adustment Comp.
 3. Materials on Hand
 4. Earned Subject to Retention                339,465.60          10,125.68
 5. Mobilization
 6. Total Work Completed        339,465.60
 7. Deductions
 8. a. Contract Retentions
    b. Unsatisfactory Retentions
    c. Reduction after 95% Comp.
 9. Total pay to Contractor                    339,465.60          10,125.68
10. Reduction Amt to Escrow
11. Payment to Escrow                 0.00
12. Net Pymt. this Estimate                                        10,125.68