Sabine Pipe Line Company LLC

Second Revised Volume No. 1

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Effective Date: 07/31/1993, Docket: RS92- 78-003, Status: Effective

Original Sheet No. 278 Original Sheet No. 278 : Superseded

13.5 Specific Gravity

Specific gravity shall be determined by means of a

recording gravity instrument (Gravitometer or

Chromatograph) of standard manufacture acceptable to

both Sabine and Upstream or Downstream Operator and

installed to properly record the specific gravity of

the gas received and delivered hereunder. The average

specific gravity recorded during the twenty-four (24)

hour period from the recording gravity instrument shall

be deemed to be the specific gravity of the gas for

that day. All composite samples shall be retained for

a minimum period of thirty (30) days for verification

in the event of a disagreement.

13.6 Heating Value

Heating value shall be determined by a calorimeter,

chromatograph, or other Btu measurement device of

standard manufacture acceptable to both Sabine and

Upstream or Downstream Operator and installed to

properly record the heating value of the gas received

and delivered hereunder. The average heating value

recorded during the twenty-four (24) hour period from

the Btu recording device shall be deemed to be the

heating value of the gas in British thermal units for

that day. The Btu recording device shall be tested

using a laboratory grade sample of known Btu and

component content. All composite samples shall be

retained for a minimum period of thirty (30) days for

verification in the event of a disagreement.