Rex B. Tennant


Rex Tennant is the Environmental Chemist for Steptoe & Johnson PLLC with more than 22 years experience. Rex has experience in regulatory interaction, remediation, RCRA waste units, and water/wastewater treatment.  He also has significant experience in preparation of NPDES permit applications and renewals (individual and general) for manufacturing and commercial clients; Spill Prevention Control and Countermeasure plans preparation; Best Management Practices/Storm Water Pollution Prevention Plan preparation; Groundwater Protection Plan preparation; performance of Phase I Environmental Site Assessments; preparation of SARA Toxic Release Inventories and Tier II Reporting; and preparation of reports for above ground storage tank installation and closure.

Representative Experience

  • Individual NPDES permit applications and renewals for multiple manufacturing clients
  • Chemistry reviews of raw materials, intermediates, and products for compatibility and fate/transport assessments
  • SARA Toxic Release Reporting determination through knowledge of chemistry
  • Spreadsheet preparation for Discharge Monitoring Reports and other electronically submitted data
  • Experience with West Virginia Electronic Submission System for environmental compliance project use


  • B.S. West Virginia University
  • B.S. Salem International University


  • American Chemical Society

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