Topic:"Environmental Goals And Climate Change Reduction Act" in M12619

bility. These targeted reliability projects include vegetation 26 management, storm hardening and reliability upgrades, targeted device replacements, and 27 grid modernization. 28 Date: December 12, 2025 Page 8 of 782 REDACTED REDACTED (CO...

AI summary The 2026 ACE Plan focuses on safety compliance, environmental compliance, and aligning with the coal phase-out and renewable energy goals. It includes projects such as hydro dam safety upgrades, PCB remediation, and grid modernization, and addresses directives from the 2025 ACE Plan Decision.

nings, or aid in the development of business cases where applicable, regarding the efficacy of innova on technology in improving the reliability of the system. Environmental and Other Compliance The Nova Sco a Renewable Energy Standards prov...

AI summary Nova Scotia's Renewable Energy Standards mandate 40% renewable generation from NS Power by 2020, with compliance through technologies like battery storage. Innovation projects must support environmental compliance or provide data for business cases. Customer experience initiatives aim to meet evolving expectations through technology.

urce outside Nova Scotia. 22 23 This requirement was incorporated into the most recent Evergreen IRP and is considered in the 24 2030 Clean Power Plan. 25 2 N.S. Reg. 110/2021. Page 10 of 55 Date: December 12, 2025 Page 663 of 782 REDACTED...

AI summary Nova Scotia's Environmental Goals and Climate Change Reduction Act mandates 80% renewable electricity by 2030 and coal phase-out by 2030. These targets are integrated into the Evergreen IRP and 2030 Clean Power Plan, with the 2026 ACE Plan Appendix F detailing implementation steps.

2026 ACE Plan NSEB IR-71 Attachment 1 Page 136 of 139 REDACTED (CONFIDENTIAL INFORMATION REMOVED) \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \...

AI summary The text outlines legal provisions from Nova Scotia's Environment Act, including prohibitions on unauthorized substance releases, duties to remediate environmental harm, inspector powers for entry and document production, and mandatory compliance with directives. These provisions emphasize environmental protection and regulatory enforcement.

Wind Speed (m/s) in 30° bins - Return Period (years) 1 5 10 25 50 100 200 0 Central Est. 17.45 19.85 20.97 22.27 23.15 24.16 25.06 30 Central Est 17.25 19.88 21.11 22.55 23.52 24.64 25.65 60 Central Est. 17.81 20.81 22.20 23.81 24.90 26.14...

AI summary The document presents tables with wind speed data in 30° bins and seasonal wind speed data, each categorized by return periods ranging from 1 to 200 years. These data are likely used for assessing extreme weather events and their impacts on infrastructure or planning.

Wave Height (Hs, m) in 30° bins - Return Period (years) 1 5 10 25 50 100 200 0 Central Est 4.22 5.19 5.69 6.29 6.71 7.21 7.66 30 Central Est 2.43 3.00 3.30 3.66 3.91 4.21 4.48 60 Central Est 2.38 3.09 3.46 3.92 4.24 4.63 4.99 90 Central Es...

AI summary The text presents wave height (Hs, in meters) data binned at 30° intervals and seasonal wave height data, each categorized by return periods (years) ranging from 1 to 200 years. This data is relevant for understanding extreme wave conditions and their frequency in different directions and seasons.

2a - L1 Environmental Site Assessment Requirements continued Supporting on sites where there is a potable well or spring supplied water source, the well or spring has been analyzed for the contaminant being addressed in the soil 14 All sam...

AI summary The text outlines requirements for environmental site assessments, specifically for L1 limited remediation. It highlights the need for sampling and analysis to conform to laboratory standards, compilation of reports, and inclusion of site details such as location and PID.

Environmental Site Assessment for Limited Remediation Checklist This checklist is for all sites undergoing L1, L2 or L3 Limited Remediation

AI summary This document provides a checklist for sites undergoing Limited Remediation (L1, L2, or L3) as part of an Environmental Site Assessment process.

- "Smoke in the Water: Air Pollution Hidden in the Water Vapor from Cooling Towers Agencies Fail to Enforce Against Polluters," Galveston Houston Association for Smog Prevention, February 2004. - "Reducing Air Pollution from Houston-Area S...

AI summary The text lists a series of reports and publications by environmental organizations such as the Galveston Houston Association for Smog Prevention and the Southern Alliance for Clean Energy, focusing on air pollution, energy efficiency, and renewable energy initiatives in the United States.

I EQS criteria. Absorbent pads and booms were deployed along the base of the retaining wall to provide temporary containment of potential surficial migration of mineral oil from the base of the wall. Based on the document site conditions a...

AI summary A Phase II ESA was conducted to assess soil and groundwater contamination from a transformer oil release. PHC contamination was found in soil and groundwater near the retaining wall, with potential ecological concerns identified. Groundwater contamination extent remains partially undetermined.

Background Civic Address 116 Ruth Falls Road, Sheet Harbour, NS PID(s) 00583732 Site Owner Nova Scotia Power Incorporated Current Land Use Industrial (active hydro-electric sub-station facility) Expected Future Land Use Industrial Adjacent...

AI summary The document outlines a site investigation conducted at an industrial hydro-electric sub-station facility in Sheet Harbour, NS, identifying contaminants such as PHCs and PCBs in soil and groundwater. The assessment found impacted areas to the north and east, with further investigation needed to the west and south. Ecological concerns were also noted due to elevated PHC levels and proximity to sensitive ecological receptors.

Conceptual Site Model Current Land Use Industrial Expected Future Land Use Industrial Adjoining Land Use Residential and agricultural (resource) Land Use for Data Comparison Industrial and Residential Predominant Soil Type Coarse-grained s...

AI summary The conceptual site model outlines the current and expected land use, soil types, water sources, and potential human and ecological risk pathways at an industrial site. The site is adjacent to residential and agricultural areas, and groundwater use is for potable purposes. Risk pathways include direct contact, soil leaching to groundwater, and groundwater discharge to surface water.

Based on the results of the CSM, the selected assessment criteria used to evaluate the sample analytical results are outlined in Table 2.5, below. Table 2.5: Assessment Criteria Summary Media Assessment Criteria • NS Tier I EQS for industr...

AI summary The document outlines the assessment criteria used to evaluate sample analytical results based on the CSM. Key criteria include NS Tier I EQS for industrial and residential land use and the Atlantic RBCA ESLs.

3.0 SCOPE AND OBJECTIVES The scope of work for the Phase II ESA consisted of the following: - Completion of an initial site inspection to document the manner of the transformer oil loss and to collect a representative surface soil source s...

AI summary The Phase II Environmental Site Assessment (ESA) aimed to evaluate subsurface environmental conditions at a site affected by a transformer hydrocarbon release. Activities included site inspections, soil and groundwater sampling, and laboratory analysis to determine contamination levels. The assessment followed Canadian and Nova Scotia environmental standards to provide recommendations for containment and regulatory site closure.

PCBs All soil and groundwater samples were reported to contain PCB concentrations that comply with the Tier I EQS. The areas of identified soil and groundwater contamination are shown on Drawings 4-5 in Appendix A. Further discussion of th...

AI summary All soil and groundwater samples tested show PCB concentrations that meet Tier I EQS. Contaminated areas are depicted on Drawings 4-5 in Appendix A, with further details provided in Section 6.

6.0 DISCUSSION Based on the results of the Phase II ESA, the following areas of contamination have been identified at the site: - Mineral oil staining has been observed on shallow soils and bedrock along the base of the retaining wall down...

AI summary The Phase II ESA identified mineral oil staining and elevated PHC concentrations in soil and groundwater at the site, with contamination extending to bedrock. Ecological receptors are nearby, and further assessment is required to delineate contamination and determine remediation or risk management strategies.

7.0 CONCLUSIONS & RECOMMENDATIONS As requested by NSP), Strum completed a Phase II ESA at the industrial 116 Ruth Falls Road site in Sheet Harbour, NS to investigate a transformer oil release originating from the electrical substation on t...

AI summary Strum conducted a Phase II ESA at the 116 Ruth Falls Road site in Sheet Harbour, NS, following a transformer oil release. Evidence of the release was observed by NSPI staff, and a soil sample showed elevated PHC levels. Absorbent pads were deployed to contain potential oil migration.

9.0 REFERENCES Atlantic Risk Based Corrective Action (RBCA), July 2022 Revision. User Guidance for Petroleum Impacted Sites in Atlantic Canada, Version 4. Atlantic RBCA, December 2016 with April 2019 update. Guidance for Vapour Intrusion A...

AI summary The document lists various environmental and geological references, including environmental assessments, regulations, and geological maps related to sites in Nova Scotia, particularly focusing on the Dartmouth Shopping Centre and surrounding areas.

SITE ASSESSMENT & TIER I/II TABLE CHECKLIST Method Used

AI summary The document presents a SITE ASSESSMENT & TIER I/II TABLE CHECKLIST, which outlines methods used for site assessment and environmental screening. It includes terminology related to environmental and ecological screening levels, as well as monitoring and management practices.

APPENDIX D PHOTOGRAPH LOG Photo 1: View of gravel driveway entry to the site and hydro-power plant building, looking north. Photo taken on September 5, 2024. Photo 2: View of hydro-power plant and transformer substation on north side of th...

AI summary Appendix D contains a photograph log of a site inspection, including images of the gravel driveway, hydro-power plant, transformer substations, and environmental assessments such as test pits and boreholes conducted in September 2024.

2026 ACE Plan U-10 Attachment 2 Page 54 of 153 Table 3A: Tier I Groundwater Ecological Screening for the Protection of Plants and Soil Invertebrates (Direct Contact with Shallow Groundwater), 116 Ruth Falls Road, Sheet Harbour, NS

AI summary This table outlines Tier I Groundwater Ecological Screening for the protection of plants and soil invertebrates at 116 Ruth Falls Road, Sheet Harbour, NS, focusing on direct contact with shallow groundwater.

2026 ACE Plan U-10 Attachment 2 Page 55 of 153 Table 3B: Tier I Surface Water and Groundwater Ecological Screening for the Protection of Freshwater and Marine Aquatic Life, 116 Ruth Falls Road, Sheet Harbour, NS

AI summary This document presents Table 3B from the 2026 ACE Plan U-10 Attachment 2, which outlines Tier I Surface Water and Groundwater Ecological Screening for the protection of freshwater and marine aquatic life at 116 Ruth Falls Road, Sheet Harbour, NS.

Analytical Results Sub-Matrix: Soil/Solid Client sample ID BH1-S1 BH2-S1 BH3-S1 BH4-S1 (Matrix: Soil/Solid) Client sampling date / time 12-Sep-2024 13:30 13-Sep-2024 16:15 13-Sep-2024 15:45 13-Sep-2024 10:00 Analyte CAS Number Method/Lab L...

AI summary The analytical results present soil sample data from multiple boreholes, including moisture content and hydrocarbon distribution. The results indicate varying levels of hydrocarbons such as benzene, toluene, and ethylbenzene, with some samples showing detectable levels above the limit of reporting. The data also includes hydrocarbon resemblance and surrogate recovery values, indicating potential contamination and the need for further analysis.

APPENDIX H GROUNDWATER STATIC MEASUREMENTS

AI summary Appendix H presents groundwater static measurements, including chemical concentrations and environmental assessments conducted in Nova Scotia. It includes data on contaminants such as petroleum hydrocarbons and polychlorinated biphenyls, along with relevant environmental standards and testing procedures.

APPENDIX I ATLANTIC RBCA ECOLOGICAL SCREENING ASSESSMENT

AI summary This document presents an ecological screening assessment under the Risk Based Corrective Action (RBCA) framework for Atlantic sites. It outlines environmental criteria, screening levels, and methods for assessing contamination levels, including petroleum hydrocarbons and other pollutants.

6800$5<7$%/( 5(68/762)(&2/2\ ,&$/6&5((1,1\ 35272&2/)253(752/(80,03$&7('6,7(6 Instructions to Practitioners: This table is intended to summarize the results of the Ecological Screening Protocol and must be completed in consultation with gui...

AI summary This table is part of an environmental assessment process and is used to summarize the results of the Ecological Screening Protocol. It must be completed in consultation with the guidance provided in the protocol and included in an Environmental Assessment or Closure Report.

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AI summary The document appears to be a regulatory proceeding related to environmental and energy matters in Nova Scotia, involving groundwater and drinking water data, environmental standards, and corrective actions for contaminated sites. It references various environmental criteria and monitoring activities.

petroleum (i.e., free product) was identified in soil or groundwater during the assessment. The inferred areas of PHC contamination identified at the site are shown on Drawings 4 and 5 (Appendix A). Potentially sensitive ecological recepto...

AI summary The site has PHC contamination in soil and groundwater, with potentially sensitive ecological receptors nearby. However, given the delineation of impacts and land use, further ecological assessment is not warranted. Long-term monitoring of groundwater is recommended to confirm contamination stability, and a risk-based approach is anticipated for addressing impacts and seeking regulatory closure with NSECC.

APPENDIX F ANALYTICAL RESULTS D T.1 F0. 11 V 1 Petroleum Hydrocarbo n Fractions S1(AU30) Lab-Dup ADTN93 24/06/30 - U nd nd nd nd nd - - - - - - Laboratory duplicate from S1(AU30). Test Pit Soil Samples TP1-S1 HA2402172-001 24/09/09 0.8 0 n...

AI summary This appendix presents analytical results from soil samples collected at various sites, including test pits and boreholes. The data includes measurements of petroleum hydrocarbon fractions and notes on the presence of lube oil and fuel oil fractions, indicating contamination that did not return to baseline levels.

Value Underline/bold indicates exceedance of: NS Tier I EQS - Agricultural, Potable, Coarse-grained (Oct. 2022) GW = groundwater DW = drinking water nd = non-detect nd( ) = non-detect at elevated detection limit - = no established value or...

AI summary The text discusses environmental quality standards and hydrocarbon analysis results for groundwater at a site in Sheet Harbour, Nova Scotia. It includes details on detection limits, hydrocarbon fractions, and comparisons with environmental standards. The analysis was conducted by Bureau Veritas and references the RBCA and CCME standards.

Project # 24-10728 Sample ID Date Sample Type Benzene Toluene Ethylbenzene Xylenes Modified TPH (yy/mm/dd) (mg/L) (mg/L) (mg/L) (mg/L) Gasoline (mg/L) Diesel/Fuel (mg/L) Lube Oil (mg/L) Groundwater Samp les MW1 24/09/23 GW nd nd nd nd - -...

AI summary The text presents a table of groundwater sampling results from various monitoring wells (MW1 to MW6) over different dates, showing levels of benzene, toluene, ethylbenzene, xylenes, and modified TPH. Most values are 'nd' (not detected), but some samples show low concentrations. Notes indicate exceedances of ecological screening levels from the Atlantic RBCA.

Analytical Results Sub-Matrix: Groundwater (Matrix: Water) Client s ar mple ID MW1 MW2 MW3 MW4 FD1 C lient sampling date / time 24-Oct-2024 09:30 24-Oct-2024 09:40 24-Oct-2024 10:10 24-Oct-2024 09:10 24-Oct-2024 00:00 Analyte CAS Number Me...

AI summary The document presents analytical results for groundwater samples collected on 24 October 2024 from multiple monitoring wells (MW1 to MW4) and a field sample (FD1). The results focus on hydrocarbons, volatile organic compounds, and polychlorinated biphenyls (PCBs), with concentrations reported for various analytes. All PCB results are below the detection limits, while hydrocarbon and VOC surrogate results show varying levels.

7.1 Progress on The Path to 2030 [190] There are several decarbonization goals being advanced by the provincial and federal governments. Two specific targets that must be met by 2030 are enshrined in the following enactments: the provincia...

AI summary The provincial and federal governments have set decarbonization targets for 2030, requiring NS Power to achieve 80% renewable electricity sales and phase out coal. The Board's 2023 ACE Plan decision required NS Power to submit a detailed plan, which was filed as The Path to 2030 and updated in the 2025 ACE Plan. Appendix F includes updates and a figure outlining the energy resources NS Power anticipates using.

They are a known and essential component of the resource mix required in support of the Province's Clean Power Plan, and to achieve environmental policy targets. [NS Power Closing Submission, p. 12] [27] NS Power also submitted that any de...

AI summary NS Power argues that the Burnside #2 Combustion Turbine replacement is essential for supporting the Clean Power Plan and meeting environmental targets. The Board agrees that the project is prudent and the cost estimate is reasonable, citing concerns about reliable operation and meeting peak demand.