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Title: Odorants, Odorizers And Their Operation
Author: Robert W. Frith
Source: 1985 International School of Hydrocarbon Measurement
Year Published: 1985
Abstract: Department of Transportation, Office of Pipeline Safety, in Title 49, Part 192.625, Code of Federal Regulations states in part, A combustible gas in a distribution line must contain a natural odorant or be odorized so that at a concentration in air of one-fifth of the lower explosive limit, the gas is readily detectable by a person with a normal sense of smell.. The Public Service Commission of Maryland, in Order to. 60922, Case No. 6736, Part 9.6.1 states The odorant level throughout the entire company distribution system shall be sufficient so that gas is detectable at 1/10 of the lower explosive limit.. At Baltimore Gas and Electric Company this is accomplished with an odorant injection rate of .5 lbs./MMCF of gas. This injection rate equates to a system detectability of .3 of one percent gas in air.

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