| Parameter | Holding Time, days
(From Field to TCLP extraction) | Holding Time, days (From TCLP Extraction to Prep) | Holding Time, days (From Prep to Analysis) | Total Elapsed Time, days | Minimum Amount, g | Method |
|---|---|---|---|---|---|---|
| Mercury | 28 | NA | 40 | 61 | 50 / 100 | CCR T22.11.5.A-II / EPA 1311/1312 |
| Metals, except Hg | 180 | NA | 180 | 360 | 50 / 100 | CCR T22.11.5.A-II / EPA 1311/1312 |
| SVOCs | 14 | 7 | 40 | 61 | 50 / 100 | CCR T22.11.5.A-II / EPA 1311/1312 |
| TPH(d) / DRO | 14 | 7 | 40 | 61 | 50 / 100 | CCR T22.11.5.A-II / EPA 1311/1312 |
| TPH(g) / GRO | 14 | NA | 28 | 56 | 50 / 25 | CCR T22.11.5.A-II / EPA 1311/1312 |
| VOCs | 14 | NA | 14 | 28 | 50 / 25 | CCR T22.11.5.A-II / EPA 1311/1312 |