Table 7.
Number of acceptable (unflagged; highlighted in italics) diagnostic ratios when comparing the weathered to unweathered oil samples by the classic CEN ratios plus additional PASH/APASH and proposed APANH ratios
| Using classic biomarker ratios (78), PASH/APASH ratios (19), and APANH ratios (8)—total 105 | HFO TC | PMRD | ASMB | HB | HFO 6303 | MC |
|---|---|---|---|---|---|---|
| Weathered HFO TC | 65 | 21 | 24 | 17 | 25 | 24 |
| Weathered PMRD | 24 | 67 | 31 | 21 | 20 | 29 |
| Weathered ASMB | 21 | 25 | 66 | 20 | 20 | 30 |
| Weathered HB | 11 | 12 | 16 | 59 | 14 | 30 |
| Weathered HFO 6303 | 26 | 17 | 24 | 21 | 71 | 32 |
| Weathered MC | 17 | 23 | 27 | 29 | 24 | 69 |