N.Y. Comp. Codes R. & Regs. Tit. 16 § 255.625 - Odorization of gas
(a) All gas
transported in transmission lines, and distribution mains operating at 125 PSIG
(862 kPa) or more, except gas in route to storage fields via a transmission
pipeline line that transported gas without an odorant from that line before May
5, 1975, is to be adequately odorized in compliance with subdivision
255.625(c) so as to render it readily detect- able by the public and employees
of the operator at all gas concentrations of one fifth of the lower explosive
limit and above.
(b) All gas
transported in distribution mains, except as provided for in subdivision (a) of
this section, and service laterals is to be adequately odorized in compliance
with subdivision (c) of this section so as to render it readily detectable by
the public and employees of the operator at all gas concentrations of one tenth
of the lower explosive limit and above.
(c) In the concentrations at which it is
used, the odorant in combustible gases must comply with the following
requirements:
(1) The odorant may not be
deleterious to persons, materials or pipe.
(2) The products of combustion from the
odorant may not be toxic when breathed nor may they be corrosive or harmful to
those materials to which the products of combustion will be exposed.
(3) The odorant may not be soluble in water
to an extent greater than 2.5 parts to 100 parts by weight.
(d) Odorization equipment must be
designed and maintained so as to ensure the required odorant level in the gas
under varying conditions. The equipment must be installed so that it does not
cause a nuisance to nearby residents by the escape of odorant fumes.
(e) Each operator shall establish procedures
to conduct periodic sampling of combustible gases to assure the proper
concentration of odorant in accordance with this section. An appropriate record
of all odorization practices shall be maintained.
(f) Every operator shall maintain records
setting forth the types of odorizing equipment and odorants used, the ratios of
odorant to gas, and the locations of odorization stations.
Notes
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