
DEEDX, PLLC
Dedicated Engineering Environmental Design eXploring
(DEEDX) is a full service engineering corporation headquartered in Long Island, New York.
We provide innovative, energy-efficient, and cost-effective solutions that respond directly to each client’s needs.
DEEDX is committed to providing design, inspection, construction, and environmental services.
With our core values of integrity, quality engineering, client satisfaction, employee loyalty, commitment, and teamwork, we strive to provide unwavering services to better communities in which we live in and work.
Services
Environmental Site Assessments & Remediation Services

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Environmental Site Assessments (ESAs) – Phase I, II
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Soil and Groundwater Sampling and Analysis
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Soil and Groundwater Remediation Design and Construction
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Hazardous Materials
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Management
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Safety Plans and Training
Water Pollution Control Services

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Stormwater management
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Design of wastewater control, detention, and treatment compliant with local regulations
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Preparation and filing of the Site Connection Application
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Design of procedures to reduce or eliminate the discharge of wastewater pollutants compliant with the Clean Water Act and local and state requirements such as SPEDES and SWPPP
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Filing for discharge and permits from federal, state, and local government agencies
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SPEDES and E&SC site inspections with compliance with state requirements
Solid Waste

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Permitting Compliance
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Solid Waste Management
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Planning & Permitting
Industrial & Manufacturing Services

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Aboveground & Underground Storage Tank Compliance
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Petroleum & Chemical Bulk Storage
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Compliance Audits
Air Pollution Control Services

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Design of measures and pathways to reduce or eliminate the emissions of hazardous air pollutants, to comply with the Clean Air Act and local and state requirements
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Filing for emission permits from federal, state, and local government agencies and facilitating the facility’s continued compliance with permit conditions
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Visible emissions (opacity) equipment inspections, in accordance with EAP Method 9, to achieve compliance with city and state regulations
Construction Services

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