El Paso Natural Gas Company

Second Revised Volume No. 1A

Effective Date: 04/01/2010, Docket: RP10-454-001, Status: Effective

Seventh Revised Sheet No. 213 Seventh Revised Sheet No. 213

Superseding: Sixth Revised Sheet No. 213

TRANSPORTATION GENERAL TERMS AND CONDITIONS

(Continued)

3. QUALITY (Continued)

3.4 Specification Exemptions. Transporter, in its reasonable discretion

and judgment, exercised on a not unduly discriminatory basis, may

accept gas that does not conform to the quality specifications in

Section 3.1 or 3.2 of the GT&C but meets the conditions set forth

below, provided that Transporter determines that such acceptance

will not interfere with its ability to: (1) maintain an acceptable

gas quality in its pipeline through prudent and safe operation of

Transporter's pipeline system and any related storage facility;(2)

ensure that such gas does not adversely affect Transporter's ability

to operate its system and to provide adequate service to its

customers consistent with the applicable Rate Schedule and the GT&C;

and (3) ensure that such gas does not adversely affect Transporter's

ability to deliver gas at its Delivery Points.

(a) Transporter may accept gas that exceeds the total diluents

specifications as set forth in Section 3.1(f) in Lea, Chaves,

and San Juan Counties, New Mexico provided that: (i) the

maximum quantity received is no greater than 6,000 Mcf/day;

(ii) total diluents are no greater that 6.0%; (iii) the gas

meets all other gas quality specifications set forth in

Section 3.1; (iv) received volumes will not impact the

merchantability of the commingled gas stream; and (v) the

Shipper or Operator has provided Transporter with written

notice of its intent to deliver gas pursuant to this

exemption.

(b) Transporter may accept gas with total diluents not exceeding

4% (four percent)for receipts in the Keystone, Plains and Waha

areas, provided (i)the Btu content of such gas is not less

than 1000 Btu/cubic feet; (ii) the gas meets the other gas

quality specifications set forth in Section 3.1 of the GT&C;

(iii) that the Shipper or Operator has installed an online

chromatograph and any required appurtenances to monitor the

gas quality; and (iv) the Shipper or Operator has provided

Transporter with written notice of its intent to deliver gas

pursuant to this exemption.

specifications set forth in Sections 3.1 or 3.2 of the GT&C on

a short-term basis for operational reasons which may include

plant start-ups, plant upsets, or line freeze-offs.