10-Q/A

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 10-Q/A

Amendment No. 1

[X]

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarter ended March 31, 2008

[  ]

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ___ to ___

QUESTAR PIPELINE COMPANY

(Exact name of registrant as specified in its charter)

STATE OF UTAH	000-14147	87-0307414
(State or other jurisdiction of Incorporation or organization)	(Commission File No.)	(I.R.S. Employer Identification No.)

180 East 100 South Street, P.O. Box 45360 Salt Lake City, Utah 84145-0360

(Address of principal executive offices

Registrant’s telephone number, including area code (801) 324-2400

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes  [X]     No  [   ]

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.  (Check one):

Large accelerated filer    [   ]	Accelerated filer                      [   ]
Non-accelerated filer      [X]    (Do not check if a smaller reporting company)	Smaller reporting company    [   ]

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes [   ]  No [X]

On April 30, 2008, 6,550,843 shares of the registrant’s common stock, $1.00 par value, were outstanding. All shares are owned by Questar Corporation.

Registrant meets the conditions set forth in General Instruction H (1) (a) and (b) of Form 10-Q and is filing this amended form with the reduced disclosure format.

EXPLANATORY NOTE

This Amendment No. 1 to the Quarterly Report on Form 10-Q of Questar Pipeline Company (the Company) amends the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2008, (the Original Filing) which was filed with the Securities and Exchange Commission on May 7, 2008. The Company is filing this Amendment No. 1 for the purpose of providing revised Exhibits 31.1 and 31.2 which contain the Certification of the Chief Executive Officer and the Certification of the Chief Financial Officer, respectively. The certifications included in Exhibits 31.1 and 31.2 to the Original Filing inadvertently omitted the language required to be included in paragraph 4(b) of such certifications pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. Except as described above, this Amendment No. 1 does not amend any other information set forth in the Original Filing and the Company has not updated disclosures included therein to reflect any events that occurred subsequent to May 7, 200 8.

Questar Pipeline 2008 Form 10-Q/A

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Questar Pipeline Company

Form 10-Q/A for the Quarter Ended March 31, 2008

TABLE OF CONTENTS

PART II.

OTHER INFORMATION

ITEM 6.

4

4

Questar Pipeline 2008 Form 10-Q/A

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PART II.  OTHER INFORMATION

ITEM 6.  EXHIBITS.

The following exhibits are filed as part of this report:

Exhibit No.

Exhibits

     31.1.

Certification signed by R. Allan Bradley, Questar Pipeline Company’s President and Chief Executive Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

     31.2.

Certification signed by S. E. Parks, Questar Pipeline Company’s Vice President and Chief Financial Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

QUESTAR PIPELINE COMPANY

(Registrant)

November 6, 2008

/s/R. Allan Bradley

R. Allan Bradley

President and Chief Executive Officer

November 6, 2008

/s/S. E. Parks

S. E. Parks

Vice President and Chief Financial Officer

Exhibits List

Exhibit No.

Exhibits

     31.1.

Certification signed by R. Allan Bradley, Questar Pipeline Company’s President and Chief Executive Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

     31.2.

Certification signed by S. E. Parks, Questar Pipeline Company’s Vice President and Chief Financial Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

Questar Pipeline 2008 Form 10-Q/A

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EX-31

Exhibit 31.1.

CERTIFICATION

I, R. Allan Bradley, certify that:

1.

I have reviewed this report of Questar Pipeline Company on Form 10-Q/A for the period ended March 31, 2008;

2.

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.

[intentionally omitted];

4.

The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have:

a)

designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)

designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)

evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)

disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting.

5.

The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent function):

a)

all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)

any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

November 6, 2008

/s/R. Allan Bradley

R. Allan Bradley

President and Chief Executive Officer

EX-31

Exhibit 31.2.

CERTIFICATION

I, S. E. Parks, certify that:

1.

I have reviewed this report of Questar Pipeline Company on Form 10-Q/A for the period ended March 31, 2008;

2.

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.

[intentionally omitted];

4.

The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have:

a)

designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)

designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)

evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)

disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting.

5.

The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent function):

a)

all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)

any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

November 6, 2008

/s/S. E. Parks

S. E. Parks

Vice President and Chief Financial Officer