The predominant profile identity is based upon the bulk of the pattern not necessarily on the numerical value of the ion chromatograms.
The hydrocarbon range is based on the predominant liquid pattern.
Miscellaneous: Miscellaneous may be composed of two or more distinct patterns.
Samples formerly classified as "dearomatized" have been reclassified with the term "dearomatized" included in the supplemental information that can be used in the keyword search.
Blends are classified as miscellaneous.
• In heavy petroleum distillates, the dominant aromatic compound is equal to or greater than 50% of the dominant n-alkane compound (examples: SRN 117 and 118).
• Blends with a heavy component that likely won't be seen in debris without a solvent extraction will be classified as both miscellaneous and by the pattern minus the heavy portion.
• In medium petroleum distillates, it is not uncommon to see elevated aromatics (example: SRN 43).
One or more of the five major peaks (based on peak height) in the liquid, is an oxygenated compound. It should be noted, if the oxygenated compound is present and is not identified as one of the five major peaks, it will be classified as a Miscellaneous product.
Insecticides are classified based on the solvent vehicle in the product.