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Shea Homes- Northern California Bergamo at Mountain House 4943.009.002 Phase I Environmental Site Assessment 2.1.2 Environmental Liens and Activity Use Limitations The Preliminary Title Report was used to determine if there are any environmental liens and/or activity use limitations on the Property. A review of the Preliminary Title Report did not identify environmental liens or activity use limitations that apply to the Property. 2.2 PREVIOUS ENVIRONMENTAL REPORTS ENGEO Incorporated; Questa Pipeline Removal T and O Letter, Mountain House California, November 29, 2018; Project Number 4943.000.023 ENGEO provided testing and observation services during the removal of an abandoned Pacific Gas and Electric (PG&E) natural gas pipeline that crossed the northwest area of the Property. During the removal, an ENGEO representative observed the abatement of the pipeline. The pipeline was cut into approximately 15-foot sections, wrapped in 6-mil polyethylene plastic sheeting, and transported to the Altamont Landfill in Livermore, California for disposal as Class 2 waste. While the pipeline was being removed, the ENGEO representative confirmed the absence of hazardous substances on the interior of the pipe. It is our belief that the pipeline was removed without impacting the adjacent soil with hazardous substances and did not increase the environmental risk of the Property. The following previous environmental reports were provided for our review: GeoSolve, Inc.; Draft Phase I Environmental Site Assessment, Questa Village — Trace 3544 — Parcel S; DeAnza Boulevard at Central Parkway, Tracy, CA, 95391; July 14, 2017; Project Number 2017-12 GeoSolve Inc. prepared a draft a phase I environmental site assessment (ESA) of the Property on July 14, 2017, of the Property for Shea Homes. A field reconnaissance, an available records review of federal, state, and local agencies for soil or groundwater contamination, and an aerial photograph review was performed for the Property and adjoining areas. An aerial drone survey was also performed to document the Property GeoSolve also summarized past soil and groundwater sampling along petroleum pipeline easements that extended parallel to Byron Road. GeoSolve reported that based on the analytical results of the sampling, no further work was recommended. Their conclusions for the Property was that no evidence or records of RECs were identified at the property. Terrasearch Inc; Phase II Environmental Site Assessment on Proposed Residential Development Neighborhood H, I and J for Shea Homes; Mountain House, California; July 13, 2005; Prosect Number 10576.E. In July 2005, Terrasearch conducted a phase II ESA for Neighborhood H, I and J, of which the Property is a portion.Among the sampling activities, Terrasearch personnel collected surface soil, subsurface soil samples, and groundwater samples from locations throughout the site,which were then analyzed for organochlorine pesticides, organophosphorus pesticides, and chlorinated herbicides, as well as 139 four-point composite samples for analysis of agricultural chemicals, including some samples from the Property. Two surficial composite samples and one subsurface composite sample were collected within the Property limits. None of the soil samples collected in the greater study area (including the Property) exhibited detectable concentrations of pesticides or herbicides. The samples within the 6N CEO April 20, 2020 —Expect Excellence-