PROPERTY Or CHARACTERISTIC

NATURAL GAS QUALITY SPECIFICATIONS LIST

Specifications in the Tariff

Panhandle Eastern Pipe Line Company, LP (PEPL)

PROPERTY or CHARACTERISTIC /

SYMBOL

/ SPECIFICATION IN THE TARIFF
(yes / no / yes- range)
HIGH HEATING VALUE / HHV / Yes – receipt
LOW HEATING VALUE / LHV / Yes – receipt
SPECIFIC GRAVITY /  / No
WOBBE INDEX / W / No
TEMPERATURE / T / Yes
WATER / H2O / Yes
WATER DEWPOINT / DH2O / No
HYDROCARBON DEWPOINT / DHC / No
METHANE / C1 / No
ETHANE / C2 / No
PROPANE / C3 / No
ISOBUTANE / iC4 / No
NORMAL BUTANE / nC4 / No
ISOPENTANE / Ic5 / No
NORMAL PENTANE / nC5 / No
HEXANES (and heavier) / C6 (C6+) / No
HEPTANES / C7 / No
OCTANES / C8 / No
NONANES / C9 / No
DECANES / C10 / No
NITROGEN / N2 / No
CARBON DIOXIDE / CO2 / Yes
OXYGEN / O2 / Yes
HYDROGEN / H2 / No
HELIUM / He / No
OTHER GASES / ? / No
TOTAL SULFUR / STOT / Yes
HYDROGEN SULFIDE / H2S / Yes
CARBONYL SULFIDE / COS / No
SULFUR IN MERCAPTANS / SRSH / No
IRON SULFIDE / FeS / No
OTHER SULFUR COMPOUNDS / ? / No
MERCURY / Hg / No
PARTICULATES / ? / No
OTHER* / Yes

NOTES - *BACTERIA OR HAZARDOUS OR TOXIC SUBSTANCES

NATURAL GAS QUALITY SPECIFICATIONS LIST

Specifications in the Tariff

Trunkline Gas Company, LLC (TGC)

PROPERTY or CHARACTERISTIC /

SYMBOL

/ SPECIFICATION IN THE TARIFF
(yes / no / yes- range)
HIGH HEATING VALUE / HHV / Yes
LOW HEATING VALUE / LHV / Yes
SPECIFIC GRAVITY /  / No
WOBBE INDEX / W / No
TEMPERATURE / T / Yes
WATER / H2O / Yes
WATER DEWPOINT / DH2O / No
HYDROCARBON DEWPOINT / DHC / No
METHANE / C1 / No
ETHANE / C2 / No
PROPANE / C3 / No
ISOBUTANE / iC4 / No
NORMAL BUTANE / nC4 / No
ISOPENTANE / Ic5 / No
NORMAL PENTANE / nC5 / No
HEXANES (and heavier) / C6 (C6+) / No
HEPTANES / C7 / No
OCTANES / C8 / No
NONANES / C9 / No
DECANES / C10 / No
NITROGEN / N2 / Yes
CARBON DIOXIDE / CO2 / Yes
OXYGEN / O2 / Yes
HYDROGEN / H2 / No
HELIUM / He / No
OTHER GASES / ? / No
TOTAL SULFUR / STOT / Yes
HYDROGEN SULFIDE / H2S / Yes
CARBONYL SULFIDE / COS / No
SULFUR IN MERCAPTANS / SRSH / No
IRON SULFIDE / FeS / No
OTHER SULFUR COMPOUNDS / ? / No
MERCURY / Hg / No
PARTICULATES / ? / No
OTHER* / Yes

NOTES - *BACTERIA OR HAZARDOUS OR TOXIC SUBSTANCES

NATURAL GAS QUALITY SPECIFICATIONS LIST

Specifications in the Tariff

Trunkline LNG Company, LLC

PROPERTY or CHARACTERISTIC /

SYMBOL

/ SPECIFICATION IN THE TARIFF
(yes / no / yes- range)
HIGH HEATING VALUE / HHV / Yes
LOW HEATING VALUE / LHV / Yes
SPECIFIC GRAVITY /  / No
WOBBE INDEX / W / No
TEMPERATURE / T / No
WATER / H2O / Yes
WATER DEWPOINT / DH2O / No
HYDROCARBON DEWPOINT / DHC / No
METHANE / C1 / Yes – range
ETHANE / C2 / Yes – range
PROPANE / C3 / Yes – range
ISOBUTANE / iC4 / Yes – range
NORMAL BUTANE / nC4 / Yes – range
ISOPENTANE / Ic5 / Yes – range (C5+)
NORMAL PENTANE / nC5 / No
HEXANES (and heavier) / C6 (C6+) / No
HEPTANES / C7 / No
OCTANES / C8 / No
NONANES / C9 / No
DECANES / C10 / No
NITROGEN / N2 / Yes–range
CARBON DIOXIDE / CO2 / Yes
OXYGEN / O2 / No
HYDROGEN / H2 / No
HELIUM / He / No
OTHER GASES / ? / No
TOTAL SULFUR / STOT / Yes
HYDROGEN SULFIDE / H2S / Yes
CARBONYL SULFIDE / COS / No
SULFUR IN MERCAPTANS / SRSH / Yes
IRON SULFIDE / FeS / No
OTHER SULFUR COMPOUNDS / ? / No
MERCURY / Hg / Yes
PARTICULATES / ? / No
OTHER* / Yes

NOTES - *BACTERIA OR HAZARDOUS OR TOXIC SUBSTANCES

NATURAL GAS QUALITY SPECIFICATIONS LIST

Specifications in the Tariff

SeaRobinPipelineCompany

PROPERTY or CHARACTERISTIC /

SYMBOL

/ SPECIFICATION IN THE TARIFF
(yes / no / yes- range)
HIGH HEATING VALUE / HHV / Yes
LOW HEATING VALUE / LHV / Yes
SPECIFIC GRAVITY /  / No
WOBBE INDEX / W / No
TEMPERATURE / T / Yes–range
WATER / H2O / Yes
WATER DEWPOINT / DH2O / No
HYDROCARBON DEWPOINT / DHC / No
METHANE / C1 / No
ETHANE / C2 / No
PROPANE / C3 / No
ISOBUTANE / iC4 / Yes(C4+)
NORMAL BUTANE / nC4 / No
ISOPENTANE / Ic5 / No
NORMAL PENTANE / nC5 / No
HEXANES (and heavier) / C6 (C6+) / No
HEPTANES / C7 / No
OCTANES / C8 / No
NONANES / C9 / No
DECANES / C10 / No
NITROGEN / N2 / Yes
CARBON DIOXIDE / CO2 / Yes
OXYGEN / O2 / Yes
HYDROGEN / H2 / No
HELIUM / He / No
OTHER GASES / ? / No
TOTAL SULFUR / STOT / Yes
HYDROGEN SULFIDE / H2S / Yes
CARBONYL SULFIDE / COS / No
SULFUR IN MERCAPTANS / SRSH / No
IRON SULFIDE / FeS / No
OTHER SULFUR COMPOUNDS / ? / No
MERCURY / Hg / Yes
PARTICULATES / ? / Yes
OTHER* / Yes

NOTES - *BACTERIA OR HAZARDOUS OR TOXIC SUBSTANCES

NATURAL GAS QUALITY SPECIFICATIONS LIST

Specifications in the Tariff

SouthwestGasStorageCompany

PROPERTY or CHARACTERISTIC /

SYMBOL

/ SPECIFICATION IN THE TARIFF
(yes / no / yes- range)
HIGH HEATING VALUE / HHV / Yes
LOW HEATING VALUE / LHV / Yes
SPECIFIC GRAVITY /  / No
WOBBE INDEX / W / No
TEMPERATURE / T / Yes
WATER / H2O / Yes
WATER DEWPOINT / DH2O / No
HYDROCARBON DEWPOINT / DHC / No
METHANE / C1 / No
ETHANE / C2 / No
PROPANE / C3 / No
ISOBUTANE / iC4 / No
NORMAL BUTANE / nC4 / No
ISOPENTANE / Ic5 / No
NORMAL PENTANE / nC5 / No
HEXANES (and heavier) / C6 (C6+) / No
HEPTANES / C7 / No
OCTANES / C8 / No
NONANES / C9 / No
DECANES / C10 / No
NITROGEN / N2 / No
CARBON DIOXIDE / CO2 / No
OXYGEN / O2 / No
HYDROGEN / H2 / No
HELIUM / He / No
OTHER GASES / ? / No
TOTAL SULFUR / STOT / Yes
HYDROGEN SULFIDE / H2S / Yes
CARBONYL SULFIDE / COS / No
SULFUR IN MERCAPTANS / SRSH / No
IRON SULFIDE / FeS / No
OTHER SULFUR COMPOUNDS / ? / No
MERCURY / Hg / No
PARTICULATES / ? / No