| Petroleum Hydrocarbon Fraction | LAB METHODOLOGY/DETECTION TECHNIQUE |
| C10-C12 | ČSN EN ISO 9377-2, US EPA 8015C, D, US EPA 3510C, TNRCC Method 1006 Gas Chromatography method with Flame Ionization Detection (GC-FID) |
| C10-C40 | |
| C12-C16 | |
| C16-C35 | |
| C35-C40 |