Intertek provides standard and modified test methods for the analysis of petroleum, petroleum refined products, and petrochemical feedstocks and products.
| Test Description | Test Method |
| Lead Content (g/gal) | ASTM D3237 |
| Lead Content (g/gal) | ASTM D3341 |
| Lead Content (PPB Level) | Graphite Furnace |
| Lead Content (PPB Level) | IP 224 |
| Lead Content (PPB Level) | UOP 350 |
| Lead in Gasoline (Iodine monochloride method) | IP 270 |
| Lead in Gasoline by AAS | IP 362 |
| Lead in Gasoline by X-Ray Spectroscopy | ASTM D5059 |
| Lead Reactivity | Mobil |
| Light ends | GC |
| Lubricity of Aviation Turbine Fuels (BOCLE Method) | ASTM D5001 |
| Lubricity of Diesel Fuel (HFRR Method) | ISO 12156-2, ASTM D6079 |
| Lubricity Testing of Diesel Fuels | |
| Liquified Natural Gas (LNG) | |
| Liquified Petroleum Gas (LPG) | |
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