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Aerial Drone Services

CSE offers our clients Unmanned Aircraft System (UAS) or ‘drone’ services to assess site locations quickly, cost effectively, and — most importantly — safely. We are fully insured and FAA Part 107 certified. We provide our clients aerial footage for marketing, mapping, inspection and data collection. We own a DJI Mavic Air and an Autel Robotics… Continue Reading →

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Fishing with “Captain Bill”

Join “Captain Bill” on a Fishing Voyage! Call “Captain Bill” to schedule your complimentary fishing voyage today! 978-356-1177 Best Catch: Atlantic Striped Bass, 45.5 Inches, 35 Lb. Gloucester, MA Caught w/ Live Mackerel Love Fishing? Let’s catch the big one soon! Contact “Captain Bill”!

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About Clean Soils

Clean Soils Environmental, Ltd. (CSE) is a customer-focused environmental consulting company that specializes in Licensed Site Professional (LSP) services concerning the assessment, management, and remediation of oil and hazardous materials throughout Massachusetts and the New England region. Since 1989, we’ve provided cost-effective solutions to a wide range of environmental challenges in full compliance with all… Continue Reading →

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Our Mission

CSE is committed to providing professional, pragmatic, and cost-effective solutions to environmental and regulatory compliance challenges. CSE strives to reach this goal by retaining knowledgeable individuals with integrity in order to provide our clients with quality work, attention to detail, rapid responses, and creative solutions for difficult technical problems. CSE is an agile, responsive firm… Continue Reading →

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Our History

Clean Soils Environmental, Ltd. (CSE) was founded in 1989 by Denise M. Prosser. Ms. Prosser was then attending New Hampshire College to obtain her MBA. Her final project entailed researching new business horizons to develop a family business. The environmental consulting field was approximately 5 years old in 1989 with a vast growth potential. With… Continue Reading →

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Our Team

Clean Soils Environmental, Ltd. (CSE) is comprised of a highly qualified team of professionals including geologists, environmental scientists and field technicians specializing in a wide variety of environmental site assessments, remedial activities, permitting, and regulatory compliance. CSE believes that the success of a project depends upon fully understanding our client’s needs which is benefited by… Continue Reading →

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Our Clients

At CSE, we value our clients. Our goal is that each client of CSE is so satisfied with our environmental consulting services and performance that they become a repeat client for years to come. Our environmental solutions have provided assistance for clients ranging from due diligence assessments during real estate transactions for both buyers and… Continue Reading →

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Limited Environmental Review

A Limited Environmental Review (LER) is a cost-effective due diligence screening tool for evaluating environmental risk often used by lenders, brokers and investors as part of a tiered approach to environmental risk management. The review provides a limited-scope assessment that does not include a visit by the environmental consultant to the subject property, often used… Continue Reading →

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Records Search with Risk Assessment

The Records Search with Risk Assessment (RSRA) is a more comprehensive desktop report that meets SBA Lender and Development Company Loan Programs (SOP 50 10 (5)) Requirements for environmental due diligence at low-risk properties. The Records Search and Risk Assessment involves: Database search of federal, state and local regulatory agencies Historical record review (fire insurance… Continue Reading →

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Transaction Screen Assessment

An ASTM Practice E1528-14 Standard Practice for Limited Environmental Due Diligence, or Transaction Screen Assessment (TSA) is quick-turnaround, inexpensive, and effective approach to assess environmental risk of a property. Transaction Screens are usually conducted for commercial properties, residential developments, agricultural properties, and industrial properties for real estate transactions or for bank refinancing. The purpose of… Continue Reading →

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ASTM Phase I Environmental Site Assessment

An ASTM Phase I performed in accordance with ASTM E1527-13 is generally intended to qualify a buyer for the innocent landowner defense to CERCLA (Comprehensive Environmental Response, Compensation and Liability Act) liability. An ASTM Phase I applies practices that constitute ‘all appropriate inquiry into the previous ownership and uses of the property consistent with good… Continue Reading →

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ASTM Phase II Environmental Site Assessment

A Phase II ESA is performed when the Phase I ESA identifies Recognized Environmental Conditions (RECs) and/or recommends further investigation. A Phase II ESA is actually a screening to determine if potential contamination and/or hazardous materials are present to assist in making informed business decisions about the property. The standard of the Phase II ESA… Continue Reading →

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Vapor Intrusion Assessments

Vapor Intrusion refers to what happens when chemical vapors migrate from the soil or groundwater into a home or other building. Many chemicals that move into buildings this way are classed as volatile organic compounds (or VOCs). The term volatile means unstable, which in turn means these chemicals are likely to exist in gas (aka… Continue Reading →

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Emergency Spill Response Management

CSE provides assessment and oversight for contractors responding to leaks, spills, and releases of oil and hazardous materials (OHM). These could include anything from an oil, hazmat or diesel fuel spill, to a chemical fire or natural disaster. Typical situations requiring emergency response include roadway releases, surface spills, pipeline leaks, and storage tank (AST/UST) ruptures…. Continue Reading →

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Contractor Oversight and Sampling

During a spill response CSE is responsible for: Assessing the extent of the release and affected areas; Determining and delegating response actions; Performing field screening and environmental sampling; Selecting and submitting samples to be laboratory analyzed; Performing a risk characterization; Preparing the Permanent Solution closure report and associated documents to be submitted to the MassDEP…. Continue Reading →

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Contaminate Nature and Extent Delineations

CSE has extensive experience with investigating and characterizing contamination of soils and groundwater. Our team has been involved in planning, field sampling and data analysis phases of contaminant investigations at hundreds of sites across the New England region for more than 25 years. Characterizing the magnitude and extent of groundwater contamination is a challenging task… Continue Reading →

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Imminent Hazard Evaluations

The focus of an Imminent Hazard Evaluation is to determine actual or likely exposures within the ground surface, drinking water, or indoor air to human and environmental receptors under current site conditions and the surrounding environment based upon the potential for carcinogenic health effects. Risk Characterizations for Imminent Hazard Evaluations are conducted separately for safety,… Continue Reading →

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Response to Notices by Regulatory Agencies

The Massachusetts Oil and Hazardous Materials Release, Prevention and Response Act (M.G.L. c.21E) and the Massachusetts Contingency Plan (the MCP), 310 CMR 40.0000, contain the requirements and timeframes for completing the cleanup of releases. Many clients have reached out to CSE after receiving a MassDEP ‘Notice of Responsibility’ letter, indicating an urgent legal matter and… Continue Reading →

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Determination of Regulatory Reporting Requirements

CSE can help to identify whether a release and/or threat of release of oil and hazardous material requires notification to the MassDEP. There are three (3) reportable release notification thresholds according to the MCP: 2-Hour Notification 72-Hour Notification 120-Day Notification If you have experienced a release and/or threat of release of oil and hazardous materials… Continue Reading →

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Environmental Consulting and the MCP

On October 1, 1993, the Massachusetts Department of Environmental Protection (MassDEP) privatized the cleanup of contaminated sites in Massachusetts in order to provide new opportunities and incentives for private parties to respond to contamination and to allow the State to focus its limited resources on the tasks that require government attention. New rules were implemented… Continue Reading →

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Regulatory Support

CSE has been successful in guiding our clients through the explicit criteria involved during the MCP process from notification, through response and risk reduction measures, to tier classifying/permitting, site characterization, risk assessment, and finally closure. CSE achieves regulatory compliance for its clients by taking the lead role in developing remedial goals and implementing closure strategies… Continue Reading →

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Response Action Management

CSE is highly reputable when it comes to proper judgment and implementation of the MCP Regulatory Process and Standards during the direction and management of Response Actions for spill response and remediation of contamination. CSE directs and conducts a series of response actions including: Preliminary Response Actions and Risk Reduction Measures Immediate Reposes Actions Requirements,… Continue Reading →

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Risk Assessment

An environmental risk assessment is a tool that supplies information about risks to human or ecological receptors due to exposure to identified hazards that relies on environmental media data, site use, fate and transport, and toxicological information. The goal of a risk assessment is to establish whether a condition of “No Significant Risk” (NSR) exists… Continue Reading →

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Soil Characterization and Reclamation

CSE promotes and applies green approaches during the assessment and remediation of oil and hazardous material disposal sites. This includes considering all environmental effects of remedy implementation and incorporating options to eliminate or reduce the environmental footprint of cleanup activities to the maximum extent possible. CSE has been at the forefront of soil reclamation projects… Continue Reading →

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Homeowner Spill Assistance

If you had a spill of oil at your home or business, or are aware of contamination related to your oil storage tank or delivery line, your first point of contact should be the local fire department. Certain matters are under their direct jurisdiction (e.g., tank removal, public safety issues), and they will in many… Continue Reading →

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Brownfields Evaluations

CSE can help provide our clients with a realistic evaluation and assessment of the liability and costs associated with the redevelopment of environmentally-impaired properties. The successful redevelopment of these properties requires foresight and experience, as well as environmental expertise and business insight. Our staff of environmental professionals have completed numerous environmental due diligence reviews, environmental… Continue Reading →

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Litigation Support

CSE provides litigation, expert testimony, insurance claim management, 3rd party review, and mediation support services throughout the Greater Boston and North Shore area. CSE provides trial preparation and mediation preparation assistance, expert witness services, assistance for deposition preparation, depositions, mediation testimony, and courtroom testimony. CSE’s staff including our Licensed Site Professional and Project Managers use… Continue Reading →

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Environmental Permitting

CSE has over 25 years of experience in the planning, scheduling, application preparation, and client support for federal, state and local environmental permits, licenses, certificates and other approvals and the supporting studies, surveys, and data collection efforts. Our creative approach to project evaluation combined with regulatory expertise ensures that the permitting process is completed successfully,… Continue Reading →

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