Cedar Ridge Estates Application for Comprehensive Permit Under

Cedar Ridge Estates Application for Comprehensive Permit Under MGL Ch 40 B Residential Development Preliminary Hydrogeologic Evaluation Part #1 www. greenviewrealty. com

Green View Realty, LLC 189 Hartford Avenue, Suite 2 -1 Bellingham, MA 02019 Owner/Project Manager: Green View Realty, LLC Bellingham, MA Architect: Egnatz Associates, Inc. Bolton, MA Attorney: Rubin & Rudman LLP Boston, MA Engineer: Coler & Colantonio, Inc. Norwell, MA www. greenviewrealty. com

Preliminary Hydrogeologic Study Completed Tasks: • Town Records, Multiple Departments • DEP File Review • Historic Bird Property Reports Projected Tasks: • Installation of monitoring wells in proposed treatment area, • Survey of existing wells (on both the Former Bird Property and surrounding properties), • Sampling of new and some of the surrounding wells, and • Development of a groundwater flow & projected mound analysis models.

Page 3, Paragraph (g)

Taken from: Mass GIS Oliver Site Boundaries & WWTF Location Approximate

Well No. 4 ~1. 7 miles from Site Well No. 3 ~1. 9 miles from Site

CEDAR RIDGE ESTATES Locus Plan Holliston, Massachusetts

5 B 6 B 8 B 3 B 2 B 9 B 10 B B 1 MW-1 `B’ i. EP Inc. 1988 Groundwater Quality Monitoring Wells of the Cedar Brook Aquifer

i. EP Inc. 1988 Groundwater Quality Monitoring Wells of the Cedar Brook Aquifer A B 7 B 4 B 7 Peat B 6 B 9 Town Well Town 4 Well 3 B 10 B 5 B 3 • All 10 monitoring. Bedrock installed wells • Method were sampled for B 8 3 Risk Characterization prepared by by i. EP VOCs in Weston &October 1988 B 8 Sampson Engineers, Inc. in 2001 for July and Water Table the Town of Holliston. Elevation Marshall Street Landfill • No VOCs were detected in any of • An elevation survey of 4 wells located in the wells except B 2 vicinity of the landfill, indicated that • groundwater flow the low levels of i. EP concluded that is easterly toward the TCE and wetlands toluene in B 2 were most likely attributable to a nearby septic • VOCs were not present above detection limits, Town MW-1 system B 1 Well 4 Water Table except for 1, 2, 4 -trimethylbenzene which was Elevation detected in only one of the wells Sand & Gravel d Be B 3 B 2 B 9 B 10 B k c ro Well No. 4 ~1. 7 miles from Site B 6 B 1 MW-1 `B’ Well No. 3 ~1. 9 miles from Site

i. EP Inc. 1988 Groundwater Quality Monitoring Wells of the Cedar Brook Aquifer A B 7 B 4 B 5 B 6 B 8 B 3 B 2 B 9 B 10 B B 1 MW-1 `B’

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