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EPA Response to Enbridge Spill in Michigan

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EPA Response to Enbridge Spill in Michigan
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Documents

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EPA documents| Pollution/Situation Reports (Sitreps) | Michigan documents | Enbridge documents

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EPA Documents

April 2012

US EPA letter - Approval, with modifications, of Enbridge's report of findings for background sediment concentrations, investigation for upstream sample areas (PDF) (2pp, 1.0MB) - Apr. 11, 2012
US EPA letter - Approval, with modifications, of Enbridge's report of findings air monitoring and sampling: August through October 2011 (PDF) (3pp, 971K) - Apr. 11, 2012

February 2012

US EPA letter - Disapproval of Enbridge's report of findings for background sediment concentrations, investigation for upstream sample areas dated 1/9/2012 (PDF) (6pp, 362K) - Feb. 23, 2012

December 2011

Full Consolidated Work Plan for Activities through 2012 (376pp, 51.2MB) Dec. 21, 2011
- Report only, no attachments (79pp, 1.7MB) Dec. 21, 2011
- Attachments and images only (297pp, 49.5MB) Dec. 21, 2011
US EPA letter - Disapproval of Enbridge's Report of Findings for Background Sediment Concentrations, Investigation for Upstream Sample Areas dated 11/19/2011 (PDF) (11pp, 86K) - Dec. 19, 2011
US EPA letter - Approval, with modifications, of Enbridge's Report of Findings 2011 Air Monitoring and Sampling (PDF) (2pp, 680K) - Dec. 15, 2011

November 2011

October 2011

September 2011

US EPA letter - Approval of Enbridge's September 9, 2011 requested modification of the 2011 Air Monitoring and Sampling Addendum dated June 21, 2011 (Turn-around time) (PDF) (2pp, 570K) - Sep. 20, 2011
US EPA letter - Approval with modifications of Enbridge's 2011 Odor Investigation Summary Report (PDF) (2pp, 755K) - Sep. 20, 2011
Enbridge's request for modification of the 2011 Air Monitoring and Sampling Addendum dated June 21, 2011 (Turn-around time) (PDF) (2pp, 43K) - Sep. 9, 2011

August 2011

U.S. EPA Letter - Directive for Additional Hydrodynamic Assessment (PDF) (8pp, 621K)- Aug. 31, 2011
U.S. EPA Letter - Private and public drinking water well sampling (PDF) (2pp, 504K) - Aug. 31, 2011
EPA transfers responsibility for directing Enbridge in driinking water well sampling to MDEQ
U.S. EPA Letter -Schedule of Oil Recovery Activities at Overbank Wetland Areas (PDF) (4pp, 281K) Aug. 30, 2011
U.S. EPA Letter -Notice of Enbridge Failure to Comply with Oil Recovery Directive Deadline for Summer 2011 (PDF) (2pp, 207K) Aug. 30, 2011
U.S. EPA Letter -Disapproval of Enbridge's July 27, 2011 submittal (PDF) (9pp, 631K) - Aug. 23, 2011
US EPA letter - Notice of Approval of Enbridge's Quantification of Submerged Oil Work Plan (PDF) (2pp, 590K) - Aug. 12, 2011
U.S. EPA Letter - Schedule Modification Denial Letter (PDF) (1pg, 473K) - Aug. 3, 2011
Cover letter extension of response date to July 20 U.S. EPA Notice of potential non-compliance to Enbridge (Air Monitoring and Sampling data) (PDF) (4pp, 696K) - Aug. 2, 2011
Final Community Involvement Plan, Enbridge Oil Spill Site, Marshall, Michigan (PDF) (55pp, 301K) - July 2011

July 2011

U.S. EPA Letter – Disapproval of 2011 Summer Strategic Work Plan and Dredging Supplement (PDF) (7pp, 773K) - July 27, 2011
U.S. EPA Letter – Disapproval of Oil Quantification Plan (PDF) (5pp, 716K) - July 27, 2011
U.S. EPA Notice of potential non-compliance to Enbridge (Air Monitoring and Sampling data) (PDF) (2pp, 260K) - July 20, 2011
Approval of Enbridge's July 1, 2011, submittal (Response Management Plan) (PDF) (2pp, 96K) - July 19, 2011
Directive to modify work plan and quantify submerged oil (PDF) (2pp, 161K) - July 15, 2011
Enbridge response to U.S. EPA Notice of Potential Non-compliance June 28, 2011 - Inadequate Enbridge Response Management (PDF) (12pp, 199K) - July 1, 2011

June 2011

Letter: Notice of potential non-compliance in response to the Administrative Order issued by U.S. EPA on July 27, 2010 - inadequate Enbridge response management (PDF) (2pp, 312K) - June 28, 2011
Notice of EPA determination of Enbridge non-compliance (PDF) (2pp, 467K) - June 27, 2011
U.S. EPA oversight personnel observed and documented the discharge of sediment and oil sheen generated by submerged oil recovery operations in Talmadge Creek to the Kalamazoo River.
Letter: Notice of oil recovery directive for summer 2011 (PDF) (2pp, 345 K) - June 17, 2011
Letter: Conditional approval of air monitoring and sampling plan (PDF) (4pp, 325K) June 17, 2011
Letter: Notice of Conditional Approval of Enbridge's May 25, 2011 Request (PDF) (3pp, 310K) - June 17, 2011
Letter: Approval of Enbridge's June 10, 2011 submittal (PDF) (1pg, 256K) - June 16, 2011
second supplement to the response plan for downstream impacted areas and the source area response plan, commonly referred to as the Work Plan for Supplemental Poling in Morrow Lake
U.S. EPA notice of conditional approval of Enbridge's June 4, 2011 submittal (PDF) (2pp, 180K)
proposed schedule extension for submission of spring 2011 reassessment activities report - June 13, 2011

May 2011

Letter: Conditional Approval of Enbridge's May 12, 2011 submittal (PDF) (2pp, 383K) - May 18, 2011
Schedule extension for submission of a report documenting reassessment activities performed in spring 2011
Letter: Conditional approval of Enbridge's Waste Treatment Transportation and Disposal Plan final revision submitted May 13, 2011 (PDF) (3pp, 269K) - May 17, 2011
Letter: Conditional approval of Enbridge April 28, 2011 submittal and and disapproval of Enbridge May 2, 2011 submittal (PDF) (10pp, 634K) - May 12, 2011
Transfer of Operations from Site A to Frac Tank City and Disapproval of Waste Treatment, Transportation and Disposal Plan
U.S. EPA Notice of Approval of Enbridge's April 29, 2011 submittal (PDF) (1pg, 97K) - May 10, 2011
regarding adverse weather conditions and the associated impact on the Kalamazoo River, and overbank areas targeted for 2011 reassessment activities
Letter: Transmittal of Imagery Data in support of the Enbridge Line 6B MP 608 Pipeline Release, Marshall Michigan (PDF) (1pg, 34K) - May 4, 2011

April 2011

EPA notice of conditional approval with modifications of Enbridge's March 31 submittal (PDF) (3pp, 248K) - April 5, 2011

March 2011

Letter: Conditional Approval of the Aerial Imagery Work Plan (PDF) (3pp, 478K) - March 29, 2011
Letter: Disapproval of Enbridge's Overbank and Poling Reassessment Work Plan Submitted March 14, 2011 (PDF) (4pp, 768K) - March 29, 2011
Letter: Disapproval of Enbridge's aerial imagery work plan or source area response plan submitted March 14, 2011 (PDF) (5pp, 517K) - March 25, 2011
Letter: Conditional approval of Enbridge's Feb. 28, 2011 submittal (PDF) (3pp, 286K) - March 3, 2011
Supplement to Operations and Maintenance Work Plan Referred to as 2011 Spring Containment Plan

February 2011

U.S. EPA Notice of Written Approval of Enbridge's Dec. 10, 2010 Supplement to Operations and Maintenance Work Plan ("Winter Containment Plan") (PDF) (2pp, 106K) - Feb. 10, 2011

December 2010

Letter to Calhoun Co. Commissioner Haadsma Re: Enbridge Oil Spill (PDF) (2pp, 44K) - Dec. 17, 2010

October 2010

Slideshow: Enbridge Line 6B Incident (PDF) (63pp, 4.5MB) - presented Oct. 14, 2010
U.S. EPA Notice of Conditional Approval with Modifications of Enbridge's Sep. 27, 2010, submittal (PDF) (17pp, 204K) - Oct. 5, 2010
U.S. EPA Notice of Disapproval of Enbridge's Sep. 27, 2010, submittal (PDF) (6pp, 156K) - Oct. 5, 2010
Supplement to source area response plan and supplement to response plan for downstream impacted areas

September 2010

Supplement to order for compliance under section 311(c) of the Clean Water Act - Docket No. CWA-1321-5-10-001 (PDF) (3pp, 558K) - Sep. 23, 2010
Testimony of EPA Administrator Lisa P. Jackson before the House Committee on Transportation and Infrastructure : Enbridge Pipeline Oil Spill near Marshall, Michigan (PDF) (6pp, 28K) Sep. 15, 2010
Slideshow to accompany Administrator Jackson's testimony (PDF) (7pp, 904K) - Sep. 15, 2010

August 2010

Letter: Supplemental Notice of Required Modifications of Enbridge Energy, Limited Partnership's Response Plan for Downstream Impact Area (PDF) (2pp, 210 K) Aug. 27, 2010
U.S. EPA Supplemental Notice of Approval With Modifications of Enbridge's Pipeline Repair Workplan, submitted July 27, 2010 (PDF) (2pp, 53K) - Aug. 4, 2010
U.S. EPA Notice of approval with modifications of Enbridge's Aug. 15, 2010 submission (PDF) (5pp, 57K) - Aug. 17, 2010
U.S. EPA Notice of Disapproval of Enbridge's Aug. 2, 2010 submittal (Revised Aug. 14, 2010) (PDF) (7pp, 203K) - Aug. 15, 2010 - Sampling and Analysis Plan (SAP) and Quality Assurance Project Plan (QAPP)
Notice of Disapproval of SAP and QAPP (PDF) (13pp, 213K) Aug. 11, 2010
Decision Memo: Incident Progress from Emergency to Recovery Phase (PDF) (3pp, 71K) Aug. 10, 2010
Notice of Disapproval of Source Release Area Remediation Plan - (PDF) (8pp, 158K) Aug. 10, 2010
Notice of Disapproval of CERCLA Remediation Plan for Downstream Impacted Areas (PDF) (17pp, 812K) Aug. 10, 2010

July 2010

Notice of Disapproval - Initial Plan Review (PDF) (5pp, 947K) July 31, 2010
Removal Administrative Order (PDF) (5pp, 171K) July 27, 2010

Pollution/Situation Reports (Sitreps)

Sitrep 1 (PDF) (5pp, 28K) July 27, 2010
Sitrep 2 (PDF) (6pp, 30K) July 27, 2010
Sitrep 3 (PDF) (5pp, 30K) July 28, 2010
Sitrep 4 (PDF) (7pp, 200K) July 29, 2010
Sitrep 5 (PDF) (8pp, 77K) July 30, 2010
Sitrep 6 (PDF) (9pp, 83K) July 31, 2010
Sitrep 7 (PDF) (9pp, 78K) Aug. 1, 2010
Sitrep 8 (PDF) (11pp, 151K) Aug. 2, 2010
Sitrep 9 (PDF) (13pp, 302K) Aug. 3, 2010
Sitrep 10 (PDF) (12pp, 340K) Aug. 4, 2010
Sitrep 11 (PDF) (5pp, 240K) Aug. 5, 2010
Sitrep 12 (PDF) (14pp, 335K) Aug. 6, 2010
Sitrep 13 (PDF) (14pp, 364K) Aug. 7, 2010
Sitrep 14 (PDF) (13pp, 480K) Aug. 8, 2010
Sitrep 15 (PDF) (15pp, 1.12MB) Aug. 9, 2010
Sitrep 16 (PDF) (15pp, 524K) Aug. 10, 2010
Sitrep 17 (PDF) (15pp, 555K) Aug. 11, 2010
Sitrep 18 (PDF) (15pp, 30K) Aug. 12, 2010
Sitrep 19 (PDF) (5pp, 30K) Aug. 13, 2010
Sitrep 20 (PDF) (17pp, 1.27MB) Aug. 14, 2010
Sitrep 21 (PDF) (17pp, 1.1MB) Aug. 15, 2010
Sitrep 22 (PDF) (17pp, 1.12MB) Aug. 16, 2010
Sitrep 23 (PDF) (19pp, 1.15MB) Aug. 17, 2010
Sitrep 24 (PDF) (18pp, 630K) Aug. 18, 2010
Sitrep 25 (PDF) (17pp, 983K) August 19, 2010
Sitrep 26 (PDF) (17pp, 2.03MB) Aug. 20, 2010
Sitrep 27 (PDF) (23pp, 1.54MB) Aug. 21, 2010
Sitrep 28 (PDF) (23pp, 2.01MB) Aug. 22, 2010
Sitrep 29 (PDF) (23pp, 1.6MB) Aug. 23, 2010
Sitrep 30 (PDF) (23pp, 1.55MB) Aug. 24, 2010
Sitrep 31 (PDF) (23pp, 1.59MB) Aug. 25, 2010
Sitrep 32 (PDF) (24pp, 1.63MB) Aug. 26, 2010
Sitrep 33 (PDF) (25pp, 1.68MB) Aug. 27, 2010
Sitrep 34 (PDF) (25pp, 1.59MB) Aug. 28, 2010
Sitrep 35 (PDF) (26pp, 1.61MB) Aug. 29, 2010
Sitrep 36 (PDF) (26pp, 1.25MB) Aug. 30, 2010
Sitrep 37 (PDF) (26pp, 1.27MB) Aug. 31, 2010
Sitrep 38 (PDF) (26pp, 902K) Sep. 1, 2010
Sitrep 39 (PDF) (28pp, 1.01MB) Sep. 2, 2010
Sitrep 40 (PDF) (28pp, 1.63MB) Sep. 3, 2010
Sitrep 41 (PDF) (30pp, 1.81MB) Sep. 4, 2010
Sitrep 42 (PDF) (28pp, 1.88MB) Sep. 5, 2010
Sitrep 43 (PDF) (34pp, 1.64MB) Sep. 6, 2010
Sitrep 44 (PDF) (31pp, 1.89MB) Sep. 7, 2010
Sitrep 45 (PDF) (30pp, 1.86MB) Sep. 8, 2010
Sitrep 46 (PDF) (30pp, 1.91MB) Sep. 9, 2010
Sitrep 47 (PDF) (31pp, 1.27MB) Sep. 11, 2010
Sitrep 48 (PDF) (31pp, 1.59MB) Sep. 12, 2010
Sitrep 49 (PDF) (30pp, 1.94MB) Sep. 13, 2010
Sitrep 50 (PDF) (30pp, 2.22MB) Sep. 14, 2010
Sitrep 51 (PDF) (30pp, 2.04MB) Sep. 15, 2010
Sitrep 52 (PDF) (20pp, 555K) Sep. 17, 2010
Sitrep 53 (PDF) (19pp, 353K) Sep. 19, 2010
Sitrep 54 (PDF) (18pp, 339K) Sep. 21, 2010
Sitrep 55 (PDF) (18pp, 359K) Sep. 23, 2010
Sitrep 56 (PDF) (18pp, 877K) Sep. 25, 2010
Sitrep 57 (PDF) (17pp, 865K) Sep. 27, 2010
Sitrep 58 (PDF) (16pp, 820K) Sep. 29, 2010
Sitrep 59 (PDF) (17pp, 1.05MB) Oct. 1, 2010
Sitrep 60 (PDF) (18pp, 397K) Oct. 3, 2010
Sitrep 61 (PDF) (19pp, 1.12MB) Oct. 5, 2010
Sitrep 62 (PDF) (18pp, 1.04MB) Oct. 7, 2010
Sitrep 63 (PDF) (14pp, 1.51MB) Oct. 9, 2010
Sitrep 64 (PDF) (14pp, 1.04MB) Oct. 11, 2010
Sitrep 65 (PDF) (15pp, 1.20MB) Oct. 13, 2010
Sitrep 66 (PDF) (14pp, 1.09MB) Oct. 15, 2010
Sitrep 67 (PDF) (14pp, 1.01MB) Oct. 17, 2010
Sitrep 68 (PDF) (13pp, 1.161MB) Oct. 19, 2010
Sitrep 69 (PDF) (11pp, 354K) Oct. 21, 2010
Sitrep 70 (PDF) (11pp, 619K) Oct. 23, 2010
Sitrep 71 (PDF) (11pp, 595K) Oct. 25, 2010
Sitrep 72 (PDF) (10pp, 173K) Oct. 27, 2010
Sitrep 73 (PDF) (10pp, 182K) Nov. 1, 2010
Sitrep 74 (PDF) (10pp, 286K) Nov. 8, 2010
Sitrep 75 (PDF) (10pp, 182K) Nov. 15, 2010
Sitrep 76 (PDF) (10pp, 246K) Nov. 22, 2010
Sitrep 77 (PDF) (9pp, 286K) Nov. 29, 2010
Sitrep 78 (PDF) (9pp, 207K) Dec. 7, 2010
Sitrep 79 (PDF) (9pp, 212K) Dec. 14, 2010
Sitrep 80 (PDF) (9pp, 212K) Dec. 21, 2010
Sitrep 81 (PDF) (9pp, 254K) Jan. 12, 2011
Sitrep 82 (PDF) (9pp, 200K) Jan. 18, 2011
Sitrep 83 (PDF) (9pp, 425K) Jan. 25, 2011
Sitrep 84 (PDF) (9pp, 245K) Feb. 1, 2011
Sitrep 85 (PDF) (10pp, 294K) Feb. 8, 2011
Sitrep 86 (PDF) (9pp, 237K) Feb. 15, 2011
Sitrep 87 (PDF) (9pp, 208K) Feb. 22, 2011
Sitrep 88 (PDF) (9pp, 650K) March 1, 2011
Sitrep 89 (PDF) (9pp, 191K) March 8, 2011
Sitrep 90 (PDF) (9pp, 210K) March 15, 2011
Sitrep 91 (PDF) (9pp, 180K) March 22, 2011
Sitrep 92 (PDF) (8pp, 1.33MB) March 31, 2011
Sitrep 93 (PDF) (8pp, 2.59MB) April 5, 2011
Sitrep 94 (PDF) (8pp, 2.21MB) April 12, 2011
Sitrep 95 (PDF) (8pp, 2141MB) April 19, 2011
Sitrep 96 (PDF) (9pp,169K) April 27, 2011
Sitrep 97 (PDF) (8pp, 233K) May 3, 2011
Sitrep 98 (PDF) (9pp, 229K) May 10, 2011
Sitrep 99 (PDF) (10pp, 202K) May 17, 2011
Sitrep 100 (PDF) (10pp, 178K) May 23, 2011
Sitrep 101 (PDF) (10pp, 280K) May 30, 2011
Sitrep 102 (PDF) (10pp, 311K) June 7, 2011
Sitrep 103 (PDF) (10pp, 278K) June 13, 2011
Sitrep 104 (PDF) (10pp, 306K) June 20, 2011
Sitrep 105 (PDF) (12pp, 213K) June 27, 2011
Sitrep 106 (PDF) (11pp, 217K) July 4, 2011
Sitrep 107 (PDF) (11pp, 318K) July 12, 2011
Sitrep 108 (PDF) (10pp, 226K) July 19, 2011
Sitrep 109 (PDF) (10pp, 226K) July 26, 2011
Sitrep 110 (PDF) (10pp, 162K) Aug. 3, 2011
Sitrep 111 (PDF) (10pp, 175K) Aug. 10, 2011
Sitrep 112 (PDF) (10pp, 161K) Aug. 18, 2011
Sitrep 113 (PDF) (10pp, 199K) Aug. 24, 2011
Sitrep 114 (PDF) (11pp, 242K) Aug. 31, 2011
Sitrep 115 (PDF) (13pp, 1.02MB) Sep. 16, 2011
Sitrep 116 (PDF) (13pp, 224K) Sep. 23, 2011
Sitrep 117 (PDF) (13pp,169K) Sep. 30, 2011
Sitrep 118 (PDF) (12pp, 284K) Oct. 5, 2011
Sitrep 119 (PDF) (12pp, 227K) Oct. 13, 2011
Sitrep 120 (PDF) (14pp, 189K) Oct. 20, 2011
Sitrep 121 (PDF) (14pp, 167K) Oct. 26, 2011
Sitrep 122 (PDF) (13pp, 268K) Nov. 3, 2011
Sitrep 123 (PDF) (13pp, 189K) Nov. 9, 2011
Sitrep 124 (PDF) (12pp, 163K) Nov. 17, 2011
Sitrep 125 (PDF) (14pp, 187K) Dec. 2, 2011
Sitrep 126 (PDF) (13pp, 190K) Dec. 14, 2011
Sitrep 127 (PDF) (12pp, 258K) Dec. 19, 2011
Sitrep 128 (PDF) (13pp, 227K) Jan. 10, 2012
Sitrep 129 (PDF) (12pp, 1.34MB) Jan. 19, 2012
Sitrep 130 (PDF) (12pp, 2.0MB) Jan. 25, 2012
Sitrep 131 (PDF) (12pp, 1.9MB) Jan. 31, 2012
Sitrep 132 (PDF) (13pp, 167K) Feb. 9, 2012
Sitrep 133 (PDF) (13pp, 213K) Feb. 15, 2012
Sitrep 134 (PDF) (14pp, 207K) Feb. 23, 2012
Sitrep 135 (PDF) (14pp, 207K) Mar. 5, 2012
Sitrep 136 (PDF) (14pp, 406K) Mar. 12, 2012
Sitrep 137 (PDF) (14pp, 204K) Mar. 19, 2012
Sitrep 138 (PDF) (14pp, 205K) Mar. 23, 2012
Sitrep 139 (PDF) (14pp, 205K) Apr. 3, 2012
Sitrep 141 (PDF) (14pp, 170K) Apr. 20, 2012
Sitrep 142 (PDF) (14pp, 304K) Apr. 25, 2012
Sitrep 143 (PDF) (14pp, 196K) May 3, 2012
Sitrep 144 (PDF) (14pp, 376K) May 9, 2012
Sitrep 145 (PDF) (13pp, 357K) May 179, 2012
Sitrep 146 (PDF) (13pp, 292K) May 9, 2012

Michigan Documents

Michigan Department of Community Health, Public Health Assessment, Initial Public Comment Release (PDF) (37pp, 355K) August 2011

Enbridge Documents

Correspondence

Letter to follow up on August deadline concerns (PDF) (2pp, 21K) Aug. 29, 2011 letter about Aug. 31, 2011 oil recovery deadline
Enbridge status update on Quantification of Submerged Oil Report (PDF) (1pg, 335K) - Aug. 26, 2011
Response to July 20, 2011 U.S. EPA Letter Regarding Site Meteorological Data (PDF) (202pp, 8.13MB) - Aug. 4, 2011

Workplans

Consolidated Work Plan for Activities through 2012 (PDF) (316pp, 38MB) Oct. 20, 2011
2011 Air monitoring and sampling addendum to the sampling and analysis plan (PDF) (238pp, 4.1MB) - June 21, 2011
Transfer of Operations from Site A to Frac Tank City (PDF) (7pp, 760K) - Prepared April 18, 2011 - Resubmitted May 13, 2011
Soil Staging, Decontamination and River Access Site Closure Plan (PDF) (102pp, 27.4MB) - Jan. 11, 2011

Operations and Maintenance

Operations and Maintenance Work Plan (PDF) (49pp, 2.1MB) - October 2010
A supplement to the Source Area Response Plan and to the Response Plan for Downstream Impacted Areas
- Winter Containment Plan (PDF) (8pp, 697K) - Dec. 8, 2010
  A supplement to the O & M plan
- 2011 Containment Plan (PDF) (17pp, 4.5MB) - March 4, 2011
  A supplement to the O & M plan

Sampling and Analysis Plan supplements

Air Sampling and Monitoring Plan Ceresco Dam Dredging Operations (PDF) (12pp, 486K) - Oct. 7, 2010
Ceresco Dam River Dredging (PDF) (11pp, 31K) Oct. 7, 2010
Drinking Water Well Supplement (PDF) (18pp, 66K) - Oct. 7, 2010
Work Plan for Evaluating the Potential Impact of Released Oil on Groundwater used for Drinking Water (PDF) (22pp, 65K) Oct. 7, 2010

Supplements to the Response Plan for Downstream Impacted Areas and to the Source Area Response Plan

Supplemental Modification to the Response Plan for Downstream Impact Area (the Plan) Strategy and Tactics for Permanent Recovery of Submerged Oil & Oil-Contaminated Sediment (PDF) (45pp, 3.5 MB) - Sep. 11, 2010
Work Plan for Permanent Recovery of Submerged Oil and Oil-Contaminated Sediments at Priority Locations and
Ceresco Dam Dredging (PDF) (24pp, 93K) - Oct. 7, 2010
Strategy and Tactics for Permanent Recovery of Submerged Oil & Oil-Contaminated Sediment
Aerial Imagery Work Plan (PDF) (13pp, 566K) March 30, 2011
Overbank and Polling Reassessment Work Plan (PDF) (73pp, 11.1MB) - Revised April 6, 2011

Evaluation of Potential Impact of Released Oil on Groundwater used for Drinking Water (Hydrogeological Evaluation Report) (PDF) (118pp, 14MB) - Prepared on Oct. 30, 2010

Appendix A - Part 201 Sites of Environmental Contamination (FOIA) (PDF) (464pp, 18.5MB)

Final Approved Enbridge Work Plans Submitted to EPA - Posted Aug. 19, 2010

Part 1: Workplan Cover Sheet (PDF) (1p, 254K) Aug. 18, 2010
Part 2: Health and Safety Plan (PDF) (72pp, 34MB) Aug. 18, 2010
Part 3: Pipeline Repair Workplan (PDF) (373pp, 33MB) Aug. 18, 2010
Part 4: Sampling and Analysis Plan (PDF) (228pp, 73MB) Aug. 18, 2010
Part 5: Quality Assurance Project Plan (PDF) (174pp, 26MB) Aug. 18, 2010
Part 6: Oil Recovery and Containment Workplan (PDF) (16pp, 12MB) Aug. 18, 2010
Part 7: Source Area Response Plan (PDF) (207pp, 33MB) Aug. 19, 2010
Part 8: Response Plan for Downstream Impacted Areas (PDF) (49pp, 20MB) Aug. 18, 2010
Part 9: Oil Recovery and Oil Debris (PDF) (79pp, 36MB) Aug. 18, 2010
Part 10: Waste Treatment, Transportation and Disposal Plan (PDF) (28pp, 7.6MB) Aug. 18, 2010
Part 11: Frac Tank Secondary Containment Plan (PDF) (18pp, 5.45MB) Aug. 18, 2010

Pipeline Backfill Plan - Aug. 17, 2010 (PDF) (14pp, 1.3 MB)

Disapproved Enbridge work plans

EPA is no longer posting disapproved plans after Aug. 5, 2010.

U.S.Department of Transportation Pipeline and Hazardous Materials Safety Administration (PHMSA) Letter to Enbridge Energy: Restart Plan for Line 6B Disapproved (PDF) (3pp, 131K) - Aug. 9, 2010
Operational Health and Safety Plan - Aug. 4, 2010 (PDF) (229pp, 68.5MB) and Pipeline Repair Workplan - Aug. 5, 2010 (PDF) (363pp, 72.0MB) - - EPA disapproved these documents; approved versions are above.
Enbridge Work Plan - July 29, 2010 (PDF) (147pp, 1.2MB) - July 29, 2010 - EPA disapproved this document on July 31, 2010
Revised response of Enbridge to EPA request for information (PDF) (1pg, 33K) July 29, 2010
Initial Response of Enbridge Energy Partners, L.P. to Removal Administrative Order (PDF) (3pp, 465K) July 28, 2010

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