API 4509 : 1ED 91
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
31-12-1999
12-01-2013
This research effort consisted of performing a literature search and field testing four major reconnaissance methods. The report looks at direct chemical analysis, soil gas technology, and indirect geophysical technology to define hydrocarbon plumes and presents the results. The term "hydrocarbon" is used in this report to mean crude oil, petroleum distillates or products, natural gases, and condensate.
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