DOCKETED Docket Number: 07-AFC-06C Project Title: Carlsbad Energy Center - Compliance TN #: 203231 Document Title: Project Owner's Supplemental Responses to Data Request Set 2A (Nos. 59 and 60) Description: N/A Filer: Dee Hutchinson Organization: Locke Lord LLP Submitter Role: Applicant Representative Submission 10/21/2014 4:31:08 PM Date: Docketed Date: 10/21/2014 500 Capitol Mall, Suite 1800 Sacramento, CA 95814 Telephone: 916-930-2500 Fax: 916-930-2501 www.lockelord.com John A. McKinsey Direct Telephone: 916-930-2527 Direct Fax: 916-720-0443 [email protected] October 21, 2014 VIA E-FILING Carlsbad Energy Center Project Petition to Amend (07-AFC-06C) Mike Monasmith, Project Manager Joe Douglas, Compliance Project Manager Paul Kramer – Hearing Officer California Energy Commission 1516 Ninth Street Sacramento, CA 95814-5512 Re: Petition to Remove Obsolete Facilities to Support Construction and Petition to Amend the Carlsbad Energy Center Project (07-AFC-06C) Supplemental Responses to Data Request Set 2A (Nos. 59 and 60) Dear Mr. Monasmith and Mr. Douglas: On August 29, 2014, California Energy Commission staff filed Data Request Set 2A (Nos. 59 - 66) (TN 203012) (the “Data Requests”) regarding Carlsbad Energy Center LLC’s (“Project Owner”) Petition to Remove Obsolete Facilities to Support Construction of the Carlsbad Energy Center Project (07-AFC-06C) (“CECP”) and Petition to Amend the CECP. The enclosed document contains Project Owner’s supplemental responses to Data Requests Nos. 59 and 60. Please contact me if you have questions or would like to discuss this response further. Locke Lord LLP By: ____________________________________ John A. McKinsey Attorneys for Carlsbad Energy Center LLC JAM:dh Enclosures SAC 804732v.1 Carlsbad Energy Center Project Petition to Amend (07-AFC-06C) Data Response Set 2A Supplement (Supplemental Responses to Data Requests 59 to 60) Submitted to California Energy Commission Prepared by Carlsbad Energy Center LLC With assistance from 6 Hutton Centre Drive Suite 700 Santa Ana, CA 92707 October 21, 2014 Contents Section Page Introduction ............................................................................................................................................... 1 Waste Management (59–60) ...................................................................................................................... 2 Attachment DR59‐1 Soil Management Plan DR59‐2 Phase I Site ESA Report IS120911143713SAC ii Introduction Attached are Carlsbad Energy Center LLC’s (Project Owner) supplemental responses to the California Energy Commission (CEC) Data Request, Set 2A (numbers 59 through 60) regarding Waste Management for the Carlsbad Energy Center Project (07‐AFC‐06C) (CECP) Petition to Amend (PTA) . Any capitalized terms not defined in this Supplemental Data Response Set 2A shall have the meanings given to them in the PTA. The responses are grouped by individual discipline or topic area. Within each discipline area, the responses are presented in the same order as the CEC presented them and are keyed to the Data Request numbers. Additional tables, figures, or documents submitted in response to a data request (for example, supporting data, stand‐alone documents such as plans, folding graphics, etc.) are found at the end of each discipline‐ specific section and are not sequentially page‐numbered consistently with the remainder of the document, though they may have their own internal page‐numbering system. IS120911143713SAC 1 RESPONSES TO DATA REQUESTS 59-60 Waste Management (59–60) BACKGROUND: ENCINA POWER STATION (EPS) DEMOLITION Page 2‐44 of the PTA states, “Subsurface remediation of the EPS site is not included as part of the demolition activities to occur under the PTA, but maybe conducted at a later date for future redevelopment of the site.” The Project Owner would be required to comply with applicable regulations that require that the conditions at the site not harm humans or the environment. Accordingly, the Project Owner will be required to enter into the Voluntary Assistance Program with the San Diego County Department of Environmental Health (DEH). DEH staff provides project oversight and technical or environmental report evaluation on projects pertaining to properties contaminated with hazardous substances. DEH enforces Health & Safety Code §§ 101480‐101490, Administration of Public Health, Released Waste. DEH serves as the administering agency on environmental cleanup projects in the county. Both the demolition of aboveground storage tanks (ASTs) 1, 2 and 4, and the demolition of the Encina Power Station will require new applications to be filed with the Voluntary Assistance Program. Staff would require the Project Owner to pay the necessary fees and comply with the permit requirements that would otherwise be issued by DEH (if it were not for the permitting authority of the Energy Commission), to mitigate potential impacts to human health and the environment. DATA REQUEST 59. Please provide a schedule and description of the regulatory process between the Carlsbad Energy Center Project owner and the San Diego County Department of Environmental Health. Supplemental response: To further address DR 59 and DR 60, the Project Owner provides a Soil Management Plan to be implemented in conjunction with the Conditions of Certification Waste Management WASTE‐1 through and WASTE‐4 to ensure that contaminated soil does not affect the public. In addition, the Project Owner has prepared a Phase I Environmental Site Assessment (ESA) report that accounts for investigation and assessment that has taken place since 2007. Knowledge of site history and Recognized Environmental Conditions (RECs) onsite will assist with remedial planning for future assessment under San Diego County Department of Environmental Health (DEH) oversight. A Soil Management Plan is included as Attachment DR59‐1 and the Phase I is included as Attachment DR59‐2. DATA REQUEST 60. Please explain how the project owner would demonstrate that human health, water resources, and the environment are adequately protected once the tanks and the Encina Power Station are demolished, without a subsurface site characterization and/or soil remediation immediately following demolition of these facilities. Supplemental response: Detailed information on proposed mitigation methods including, but not limited to, removal and disposal, in‐situ remediation, surface barriers, monitoring wells, signage, and other related environmental safeguards is included in the Soil Management Plan (Attachment DR59‐1) and the Phase I (Attachment DR59‐2). IS120911143713SAC 2 RESPONSES TO DATA REQUESTS 59-60 Attachment DR59-1 Soil Management Plan IS120911143713SAC 3 RESPONSES TO DATA REQUESTS 59-60 DRAFT TECHNICAL DOCUMENT SOIL MANAGEMENT PLAN FOR GROUND DISTURBANCE ACTIVITIES Encina Power Station 4600 Carlsbad Boulevard, Carlsbad, California October 17, 2014 Prepared For: Carlsbad Energy Center LLC 5790 Fleet Street, Suite 200 Carlsbad, CA 92008 Prepared By: 1962 Freeman Avenue Signal Hill, California 90755 DATE: 10-17-14 Christopher S. Seipel, CHG 823, P.G. 7353, expires 12/31/15 Senior Hydrogeologist Soil Management Plan For Ground Disturbance Activities Page | i TABLE OF CONTENTS List of Tables .................................................................................................................... i List of Figures ................................................................................................................... i List of Appendices ............................................................................................................ i 1. INTRODUCTION ......................................................................................................................... 1 Site Location ...................................................................................................................................... 2 Site History ........................................................................................................................................ 2 Summary of Investigations ................................................................................................................. 3 Previous Soil Remediation ................................................................................................................. 4 AST Tank Bottom Design .................................................................................................................. 5 2. ACTIVITIES REQUIRING SPECIAL PROCEDURES AND HAZARD COMMUNICATION ..................................................................................................................... 1 3. MONITORING AND REPORTING ......................................................................................... 2 4. EXCAVATED SOIL HANDLING .............................................................................................. 1 5. SOIL TESTING ............................................................................................................................. 1 6. POST-EXCAVATION SOIL MANAGEMENT ...................................................................... 1 7. REFERENCES ............................................................................................................................. 1 List of Tables Table 1 Soil Screening Criteria List of Figures Figure 1 Site Location Map Figure 2 Site Layout Map CECP SGI_SMP_10-17-14 FINALr.docx The Source Group Soil Management Plan For Ground Disturbance Activities Page | 1