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Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000751652-12-000014
Filing Date
2012-05-03
Accepted
2012-05-03 16:16:05
Documents
22
Period of Report
2012-03-31

Document Format Files

Seq Description Document Type Size
1 10-Q str3311210q.htm 10-Q 1884409
2 EXHIBIT 12.1 str33112ex121.htm EX-12.1 25409
3 EXHIBIT 12.2 str33112ex122.htm EX-12.2 20894
4 EXHIBIT 12.3 str33112ex123.htm EX-12.3 25292
5 EXHIBIT 31.1 str33112ex311.htm EX-31.1 12962
6 EXHIBIT 31.2 str33112ex312.htm EX-31.2 12793
7 EXHIBIT 31.3 str33112ex313.htm EX-31.3 11511
8 EXHIBIT 31.4 str33112ex314.htm EX-31.4 11271
9 EXHIBIT 31.5 str33112ex315.htm EX-31.5 11168
10 EXHIBIT 31.6 str33112ex316.htm EX-31.6 11353
11 EXHIBIT 32.1 str33112ex321.htm EX-32.1 6255
12 EXHIBIT 32.2 str33112ex322.htm EX-32.2 6511
13 EXHIBIT 32.3 str33112ex323.htm EX-32.3 6134
14 EXHIBIT 32.4 str33112ex324.htm EX-32.4 6282
15 EXHIBIT 32.5 str33112ex325.htm EX-32.5 6008
16 EXHIBIT 32.6 str33112ex326.htm EX-32.6 6041
  Complete submission text file 0000751652-12-000014.txt   9015674

Data Files

Seq Description Document Type Size
17 XBRL INSTANCE DOCUMENT str-20120331.xml EX-101.INS 1534595
18 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT str-20120331.xsd EX-101.SCH 38657
19 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT str-20120331_cal.xml EX-101.CAL 85816
20 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT str-20120331_def.xml EX-101.DEF 248248
21 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT str-20120331_lab.xml EX-101.LAB 547611
22 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT str-20120331_pre.xml EX-101.PRE 309157
Mailing Address 333 SOUTH STATE STREET P.O. BOX 45433 SALT LAKE CITY UT 84145-0433
Business Address 333 SOUTH STATE STREET P.O. BOX 45433 SALT LAKE CITY UT 84145-0433 8013245555
QUESTAR GAS CO (Filer) CIK: 0000068589 (see all company filings)

IRS No.: 870407509 | State of Incorp.: UT | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 333-69210 | Film No.: 12809903
SIC: 4924 Natural Gas Distribution

Mailing Address 333 SOUTH STATE STREET P O BOX 45433 SALT LAKE CITY UT 84145-0433
Business Address 333 SOUTH STATE STREET PO BOX 45433 SALT LAKE CITY UT 84145-0433 8015345000
QUESTAR CORP (Filer) CIK: 0000751652 (see all company filings)

IRS No.: 870407509 | State of Incorp.: UT | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-08796 | Film No.: 12809901
SIC: 4923 Natural Gas Transmisison & Distribution

Mailing Address 180 E 100 SOUTH STREET P O BOX 45360 SALT LAKE CITY UT 84145
Business Address 180 E 100 SOUTH STREET P O BOX 45360 SALT LAKE CITY UT 84145 8013242400
QUESTAR PIPELINE CO (Filer) CIK: 0000764044 (see all company filings)

IRS No.: 870307414 | State of Incorp.: UT | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 000-14147 | Film No.: 12809902
SIC: 4922 Natural Gas Transmission