

| Schedule: | GEOPHYSICAL, ENVIRONMENTAL ANALYSIS EQUIPMENT & SERVICES GSA Schedule No. 66 II Q |
| Contractor: | Eureka Environmental Engineering Corp. |
| Contract Number: | GS-07F-9340S |
| Contract Period: | February 1, 2006 – February 1, 2011 |
| Telephone: | 512-302-4333 |
| Contact: | Terry Harris |
| Business Size: | Small |
| D&B Number: | 11-490-8515 |
| Federal Tax ID: | 32-002-0911 |
| Cage Code: | 3H3R5 |
| Awarded Special Item Numbers: | 66-617 Water Monitors |
| Maximum Order: | $400,000 |
| Minimum Order: | $75.00 |
| Geographic Coverage: | 48 Contiguous States, plus Washington D.C. |
| Point of Production: | Austin, TX |
| Discount from List: | 5% |
| Quantity Discounts: | 6% 5 - 9 Units |
| Prompt Payment Terms: | 0% |
| Time of Delivery: | 15-30 Days ARO |
| F.O.B. Point: | Destination |
| Ordering Address: | Same as Contractor |
| Payment Address: | Same as Contractor |
| Warranty Provisions: | 2 Years |
| Participating Dealers: | None |