| DTNH2205P0... | 0 | | H923: Other Qc Svcs/Vehicles-Trailers-Cyc | $46,700.00 | 2005 | 7350669 |
| DTNH2201C1... | 0 | | H299: Eq Test Svcs/Misc Equip | $0.00 | 2005 | 8027921 |
| DTNH2206P0... | 0 | | R499: Other Professional Services | $36,400.00 | 2006 | 10180254 |
| DTNH2201C1... | 22 | | H299: Eq Test Svcs/Misc Equip | $36,192.00 | 2006 | 11902571 |
| DTNH2201C1... | 21 | | H299: Eq Test Svcs/Misc Equip | $0.00 | 2006 | 11923634 |
| DTNH2201C1... | 20 | | H299: Eq Test Svcs/Misc Equip | $0.00 | 2006 | 11923635 |
| DTNH2206C0... | 1 | | Q301: Laboratory Testing Services | $0.00 | 2006 | 11943879 |
| DTNH2206C0... | 0 | | Q301: Laboratory Testing Services | $73,250.00 | 2006 | 11965676 |
| DTNH2207P0... | 0 | | Q301: Laboratory Testing Services | $35,280.00 | 2007 | 12734594 |
| DTNH2207P0... | 0 | | R499: Other Professional Services | $4,300.00 | 2007 | 13185789 |
| DTNH2206C0... | 0001 | 0 | | Q301: Laboratory Testing Services | $78,260.00 | 2007 | 15043964 |
| DTNH2206C0... | 0002 | 0 | | Q301: Laboratory Testing Services | $5,000.00 | 2007 | 15142346 |
| DTNH2206C0... | 3 | | Q301: Laboratory Testing Services | $12,600.00 | 2007 | 15979482 |
| DTNH2206C0... | 6 | | Q301: Laboratory Testing Services | $5,000.00 | 2007 | 15979484 |
| DTNH2206C0... | 5 | | Q301: Laboratory Testing Services | $47,250.00 | 2007 | 16008521 |
| DTNH2206C0... | 2 | | Q301: Laboratory Testing Services | $1,400.00 | 2007 | 16035219 |
| DTNH2206C0... | 7 | | Q301: Laboratory Testing Services | $0.00 | 2007 | 16061370 |
| DTNH2206C0... | 4 | | Q301: Laboratory Testing Services | $15,000.00 | 2007 | 16061389 |
| DTNH2206C0... | 0003 | 1 | | Q301: Laboratory Testing Services | $0.00 | 2008 | 20016603 |
| DTNH2206C0... | 0003 | 0 | | Q301: Laboratory Testing Services | $31,500.00 | 2008 | 20126096 |
| DTNH2206C0... | 9 | | Q301: Laboratory Testing Services | $30,030.00 | 2008 | 20480683 |
| DTNH2206C0... | 10 | | Q301: Laboratory Testing Services | $12,806.00 | 2008 | 20480865 |
| DTNH2206C0... | 8 | | Q301: Laboratory Testing Services | $26,260.00 | 2008 | 20511382 |
| DTNH2206C0... | 13 | | Q301: Laboratory Testing Services | $22,522.00 | 2008 | 20539941 |
| DTNH2206C0... | 11 | | Q301: Laboratory Testing Services | $44,866.00 | 2008 | 20570626 |
| DTNH2206C0... | 12 | | Q301: Laboratory Testing Services | $36,044.00 | 2008 | 20570810 |