Document Overview
This case history describes PES-31 treatment of jet fuel impacted black clay at a BFI treatment facility in Itasca, Texas.
Initial TPH Compared With Final Sample Results
Reported Remediation Results
| Metric | Before / Initial | After / Final | Reported Change | Notes |
|---|---|---|---|---|
| TPH — average to sample range | 2,642.25 ppm | 28–151 ppm | Approximately 94.3% to 98.9% reduction | EPA Method 418.1; follow-up samples A, B, C, and D |
| TPH sample A | 2,642.25 ppm | 72 ppm | Approximately 97.3% reduction | Assessment test 04/30/92 |
| TPH sample B | 2,642.25 ppm | 48 ppm | Approximately 98.2% reduction | Assessment test 04/30/92 |
| TPH sample C | 2,642.25 ppm | 151 ppm | Approximately 94.3% reduction | Assessment test 04/30/92 |
| TPH sample D | 2,642.25 ppm | 28 ppm | Approximately 98.9% reduction | Assessment test 04/30/92 |
| BTEX | ND | Not tested | Initial value only | Reported in initial values |
Project and Application Details
PES Application Summary
PES-31 was applied as a one-time inoculation at a ratio of one gallon PES-31 to 2.0 cubic yards of jet fuel contaminated soil. PES Nutrient Supplement was applied with water from the treatment facility water truck. The treatment lift was tilled twice weekly, moisture was maintained by inspection and watering, and supplemental nutrients were added every 15 days when necessary.
Reported Outcome
The reported follow-up TPH values ranged from 28 ppm to 151 ppm, compared with an initial average TPH value of 2,642.25 ppm.
Key Takeaways
This case history provides a data-rich PES-31 landfarming example for jet fuel impacted soil, including multiple follow-up samples and a short documented treatment interval.
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