EDGAR Filing Documents for 9999999995-09-002886

Form EFFECT - Notice of Effectiveness:

SEC Accession No. 9999999995-09-002886

Accepted

2009-10-20 00:15:10

Documents

Effectiveness Date

2009-10-19

Registration Form

S-4

Document Format Files

Seq	Description	Document	Type	Size
1		primary_doc.html	EFFECT
1		primary_doc.xml	EFFECT	598
	Complete submission text file	9999999995-09-002886.txt		2131

Mailing Address 1515 ARAPAHOE STREET TOWER 2, SUITE 700 DENVER CO 80202-2126

Business Address 1515 ARAPAHOE STREET TOWER 2, SUITE 700 DENVER CO 80202-2126 303-925-9200

MARKWEST ENERGY PARTNERS L P (Filer) CIK: 0001166036 (see all company filings)

IRS No.: 270005456 | Fiscal Year End: 1231
Type: EFFECT | Act: 33 | File No.: 333-160420 | Film No.: 091126897
SIC: 1311 Crude Petroleum & Natural Gas