Technicians begin removal of a section of pipe from the Enbridge pipeline oil spill site near Marshall, Michigan. (EPA photo; August 7, 2010)

Technicians measure pipe before cutting and removing a section from the Enbridge pipeline oil spill near Marshall, Michigan. (EPA photo; August 7, 2010)

Crews load section of pipe that will be examined by investigators after the Enbridge pipeline oil spill near Marshall, Michigan. (EPA photo; August 7, 2010)

Crews are working to clean up the oil spill in the Kalamazoo River (Aug. 5, 2010).

The home of Mary Ann Pettit (Aug. 5, 2010)

Crews work to remove the oil from the Kalamazoo River at 15 Mile Road in Marshall (August 5, 2010)

Dr. Chris Tabaka of the Binder Park Zoo rescues a turtle from the effects of the oil spill in the Kalamazoo River (August 2, 2010)

Veterinarian Scott Ford feeds a rescued goose with electrolytes in Marshall, Mich., Friday, July 30, 2010. Volunteers and government officers scrambled to save wildlife damaged by an oil spill in the Kalamazoo River.

Officials from various government agencies gathered at a press conference on Saturday to announce updates about the oil spill.

An official from the Environmental Protection Agency answers questions about Michigan's oil spill (July 30, 2010)

Crews work on a boom in the Kalamazoo River in Battle Creek, Mich., trying to capture oil from a ruptured pipeline, owned by Enbridge Inc., Thursday, July 29, 2010.

Enbridge CEO Patrick Daniel answers questions at a press conference about Michigan's oil spill (July 30, 2010)

As the oil containment and capture process continues, no oil is seen in Morrow Lake (July 30, 2010)

Workers place oil boom in Galesburg as the containment effort continues (July 30, 2010)

Trained professionals are cleaning wildlife covered in oil from the spill in West Michigan (July 29, 2010)

Jeff Decuypere is the owner of the Circle D Wildlife Refuge (July 29, 2010)

Frank Roberts, left, and Trever Miller, contract workers for Enbridge, Inc., Calgary, Canada, discuss the operation of placing booms across the Kalamazoo River, on Morrow Lake in attempts to contain the growing oil spill, July 28, 2010.

This area north and northwest of the Kalamazoo River oil spill is being evacuated (July 29, 2010)

Ralph Dollhopf of the EPA at a press conference about the West Michigan oil spill (July 29, 2010)

(L-R) Enbridge executives Steve Wuori, Terry Anderson and President/CEO Patrick Daniel answer questions on the West Michigan oil spill (July 29, 2010)

John Corcoran, center, and Cam Meyers, right, watch from the 15 Mile Road bridge as oil flows in the Kalamazoo River on July 27, 2010, in Marshall.

Mark Schauer, July 28, 2010 (AP Photo/Battle Creek Enquirer, John Grap)

The Morrow Dam in Comstock is shown July 28, 2010.

A Canada goose covered in oil attempts to fly out of the Kalamazoo River on July 27, 2010.

Raul Vervuzco of Eagle Services uses a suction hose to clean oil from atop the Kalamazoo River on July 28, 2010, in a containment area in Augusta.

Dave Jenkins, of Marshall, holds onto a muskrat as a group attempts to clean the animal July 27, 2010, in Marshall.

JoAnne Furu, left, and neighbor Jim Olds of Marshall watch on the bank of Olds' property as oil runs through the Kalamazoo River on July 27, 2010.

An underwater shot of the Kalamazoo River oil spill (courtesy WDIV, July 28, 2010).

A wildlife tent is set up to help animals affected by the oil spill (July 28, 2010).

An underwater shot of the Kalamazoo River oil spill (courtesy WDIV, July 28, 2010).

Enbridge CEO Patrick Daniel addresses the media about the oil spill in Calhoun County (July 28, 2010)

Officials discuss the oil spill affecting waterways stretching from Calhoun to Kalamazoo counties. (July 28, 2010)

Oil is spotted in a river along 15 Mile Road near Marshall after some of the substance leaked from a nearby pumping station. (July 26, 2010)

Booms and skimmers were put down Tuesday in the Kalamazoo River to stop oil in the river at Fort Custer. (July 27, 2010)

Members of the military at the command center at the Marshall oil spill (July 27, 2010)

An aerial view of the oil spill in Marshall flowing into the Kalamazoo River on B Drive (courtesy Sheri McGee, July 26, 2010)

Oil on the surface of the Kalamazoo River at the Custer Drive bridge, west of downtown Battle Creek. (July 27, 2010)

Oil-covered geese have been spotted along the Kalamazoo River between Marshall and Battle Creek. (July 26, 2010)

Oil-covered geese have been spotted along the Kalamazoo River between Marshall and Battle Creek. (July 26, 2010)

Oil-covered geese have been spotted along the Kalamazoo River between Marshall and Battle Creek. (July 26, 2010)

A map of the area near Marshall where an oil spill occurred (courtesy DNRE, July 26, 2010)

DNRE employees investigate an oil leak in Marshall (July 26, 2010)

Oil is spotted in a river along 15 Mile Road near Marshall after some of the substance leaked from a nearby pumping station. (July 26, 2010)

Oil is spotted in a river along 15 Mile Road near Marshall after some of the substance leaked from a naerby pumping station. (July 26, 2010)

Oil is spotted in a river along 15 Mile Road near Marshall after some of the substance leaked from a naerby pumping station. (July 26, 2010)

Oil is spotted in a river along 15 Mile Road near Marshall after some of the substance leaked from a naerby pumping station. (July 26, 2010)

A petroleum pipeline as seen on the Enbridge web site (July 26, 2010)

A Google view of A Drive North and 16 Mile Road in Marshall (July 26, 2010)