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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001193125-11-291897
Filing Date
2011-11-02
Accepted
2011-11-02 08:26:45
Documents
9
Period of Report
2011-09-30

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q d250823d10q.htm 10-Q 242176
2 SECTION 302 CEO CERTIFICATION d250823dex31a.htm EX-31.(A) 9402
3 SECTION 302 CFO CERTIFICATION d250823dex31b.htm EX-31.(B) 9680
4 SECTION 906 CEO AND CFO CERTIFICATION d250823dex32a.htm EX-32.(A) 5228
  Complete submission text file 0001193125-11-291897.txt   1296628

Data Files

Seq Description Document Type Size
5 XBRL INSTANCE DOCUMENT npgp-20110930.xml EX-101.INS 102806
6 XBRL TAXONOMY EXTENSION SCHEMA npgp-20110930.xsd EX-101.SCH 10468
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE npgp-20110930_cal.xml EX-101.CAL 52204
8 XBRL TAXONOMY EXTENSION LABEL LINKBASE npgp-20110930_lab.xml EX-101.LAB 165508
9 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE npgp-20110930_pre.xml EX-101.PRE 95491
Mailing Address 295 CHIPETA WAY SALT LAKE CITY UT 84108
Business Address 295 CHIPETA WAY SALT LAKE CITY UT 84108 801-583-8800
NORTHWEST PIPELINE GP (Filer) CIK: 0000110019 (see all company filings)

IRS No.: 261157701 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-07414 | Film No.: 111173098
SIC: 4922 Natural Gas Transmission