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Daniel T. Arnold, MLS, CES

General Manager

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Dan has 30+ years of experience in environmental permitting, compliance, and laboratory analysis. Dan's position as General Manager is supported by his vast experience including positions as general chemistry analyst, metals analyst, wet lab supervisor, organics analyst, organics supervisor, and as a laboratory auditor. Dan has experience conducting Phase I and Phase II Environmental Site Assessments. Dan also has extensive experience in handling NPDES permit applications, modifications, renewals, and compliance; site assessments; sample collection - surface water, groundwater, pre-drill water wells, soils, and wastes; NORM area and equipment surveys; and various other situations. Dan is a licensed Aboveground Storage Tank (AST) inspector. Dan is a Certified Environmental Sampler (CES-0404) and the Chairperson of the Monitoring Well Drillers Advisory Board. Dan is retired from the US Army with 21+ years of service and received many awards throughout his service including The Bronze Star Medal for his service in Iraq.


  • MLS West Virginia University, 2012

  • BA Glenville State College, 1989

Certification / Licensures

  • Certified Environmental Sampler

  • STI Certified Inspector

  • IADC Rig Pass

  • SafeLand USA Certified

  • West Virginia Licensed Asbestos Inspector

Work Experience

  • 2022 to Present – General Manager – Benchmark Safety, Health & Environmental Services

  • 2018 to 2022 – Environmental Division Manager – Benchmark Safety, Health, & Environmental Services

  • 2012 to 2018 - Senior Environmental Scientist - MSES Consultants

  • 2004 to 2012 - Environmental Resource Program Manager I - WV Department of Environmental Protection

  • 1996 to 2004 – Chemist II - Chemist III - WV Department of Environmental Protection


  • Member, Water Environment Federation

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