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  • Phase I Teaser

    Phase I - ESA Services

    dse assesses properties to gather historical, current or potential special resource information regarding the site's environmental status

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  • Phase II Teaser

    Phase II - ESA Services

    dse gathers physical information on the soil, groundwater and/or surface water conditions at a site                         

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  • Phase II Dry Cleaner Teaser

    Phase II - Dry Cleaner ESA Services

    dse assesses dry cleaning operations to determine if problem areas exist associated with the chemical usage

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  • Phase III Teaser

    Phase III - Clean up and Remediation Services

    dse performs soil vapor extraction, air stripping, natural attenuation and excavation, removal/disposal operations

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  • AST/UST Teaser

    Aboveground/Underground Storage Tank Services

    dse offers removal, repair, and remediation of damaged aboveground and underground storage tanks

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  • VCPC/Innocent Landowner Protection Teaser

    Voluntary Cleanup Program Closure Services

    dse can provide a long term scope of work to help minimize costs associated with environmental compliance

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  • Emergency Response Teaser

    Emergency Response Management Services

    dse provides management skills and personnel to assist with a wide variety of emergency response actions

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  • Oil Pollution Act Teaser

    Oil Pollution Act - Compliance Support Services

    dse inspects sites to ensure compliance requirements have been implemented

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  • NEPA Teaser

    National Environmental Protection Act Services

    dse provides technical services for natural resources under NEPA for a variety of ecosystems across the US

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  • Superfund Teaser

    Superfund Services

    dse has conducted several projects under Superfund

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  • Groundwater Teaser

    Groundwater and Contaminant Transport Modeling Services

    dse models where and how groundwater flows to predict contaminant flow

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  • Lead Asbestos Mold Teaser

    Asbestos, Lead-Based Paint Surveys, Mold/Indoor Air Quality Assessment Services

    dse has extensive experience in assessing these issues

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  • Permitting Teaser

    Permitting, Planning, and Compliance Auditing

    dse audits through permit, record and report reviews, interviews, and on-site assessments

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  • Water Resources Teaser

    Water Resource Services

    dse provides technical services for a variety of water resources projects for water and wastewater utilities across the southwest and central US

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GSA Information

Dallas Headquarters

P.O. Box 584
Rowlett, Texas 75030-0584
Phone: 972-412-8666
Fax: 972-412-8660