Odorization
What is the Official Title of OM 39?
O&M 39 – ODORIZATION
How often do you calibrate odorant measurement instruments?
Annually not to exceed 15 months.
Odorant in Gas must be readily detected by who?
Readily detectable by a person with a normal sense of smell.
Who do you contact for disposal of odorant and odorization equipment?
Contact the Environmental Services Department.
What type of test helps determine the moisture content in odorant?
CLOUD POINT TEST
What is the one quantitative record for Odorization?
Odorant inventory calculation
Newly installed gas main over 2,500 ft. in length that will have limited to no flow conditions may require additional monitoring for odor fade, which department would you contact for guidance?
Contact the Engineering Department for guidance.
What 3 Style of Gas Pipelines does OM 39 cover?
☒ Distribution
☒ Transmission / Regulated Onshore Gathering
☒ Liquefied Natural Gas (LNG)
What specific order would we keep as a permanent record to supplement odorant measurement instrument tests?
(Gas Leak Service Orders)
What are the three qualitative records for Odorization?
(1) Odorant measurement instrument tests
(2) ‘Sniff tests’
(3) Customer gas leak call service orders
New gas main over 2,500 ft. that has been idle for an extended period must have an odometer reading below ______ gas in air prior to installing new services.
0.8%
In the concentrations in which it is used, the odorant in combustible gases must comply with what 3 main properties?
The odorant may not be harmful to persons, materials, or pipe.
The products of combustion from the odorant may not be toxic when breathed nor may they be corrosive to materials to which they will be exposed. [192.625(c)]
Odorant storage tanks may not be filled over 85% to allow for thermal expansion. This includes odorizer day tanks, mother tanks, or bulk storage tanks.
A combustible gas in a distribution line or a transmission line in a Class 3 or 4 location (for exceptions, reference subsection 39.2.1), must contain a natural odorant or be odorized so that at a concentration in air it is?
One-fifth of the lower explosive limit (0.8% gas in air).
What is a name for an odorant measurement instrument?
(2 Possible Names)
Odorator or Odorometer
If the system is odorized by the supplier, Company personnel shall request injection rates to be provided by the supplier on a _______ ______?
Monthly Basis