Drummond Carpenter, PLLC

Chad Drummond
Work 47 East Robinson Street Suite 210 Orlando FL 32801 Work Phone: (407) 417-1220 Website: https://www.drummondcarpenter.com/

Biography

Drummond Carpenter, PLLC is a service-disabled veteran-owned small business (SDVOSB) specializing in environmental and water resources engineering and applied research.  Drummond Carpenter’s capabilities are available across the US and include four key service areas:

  • Nuclear
  • Environmental Modeling
  • Environmental Assessment & Remediation
  • Civil Engineering and Water Resources

KEY SERVICE AREAS

Nuclear

As part of large, multi-disciplinary teams we have evaluated radionuclide fate, attenuation, and storage at sites including Oak Ridge, TN and Paducah, KY.  Projects have been performed for international clients, the US Department of Energy (DOE), and private clients.  Our staff have been continuously involved in DOE projects for over a decade providing the below-listed services:

  • Radiological modeling and Performance Assessments (PA)
  • Groundwater flow and fate and transport modeling
  • Environmental assessments and remediation design/optimization
  • Radiation Safety Officer-related services
  • Management and compliance assessments of operational radiation safety programs
  • Independent assessments and Operational Readiness Reviews
  • Qualified as a Lead Auditor and independent assessments of radiation protection programs

Environmental Modeling

Drummond Carpenter staff are subject matter experts developing, calibrating, validating, and applying various surface water, groundwater, and air quality models. Staff have performed modeling for several federal entities including:

  • US DOE (EM and Legacy Management)
    • Paducah Gaseous Diffusion Plant, Kentucky
    • Oak Ridge Reservation, Tennessee
    • White Sands Test Facility, New Mexico
    • Tuba City, Arizona
  • NASA
  • Air National Guard (ANG)
  • AFCEE/AFCEC/USACE

We are currently performing modeling to support a Performance Assessment (PA), Composite Analysis (CA), and set Authorized Limits for three DOE landfills.  A strength of Drummond Carpenter is its experience performing unsaturated and groundwater flow and contaminant transport modeling. Projects have been completed across the US dealing with a full suite of contaminants including radionuclides, chlorinated solvents, inorganics, and PCBs.  Emerging contaminants such as 1,4-dioxane, NDMA, and PFOS/PFOA have also been simulated.  Modeling codes employed include:

  • RESRAD family of codes and DUST-MS
  • VLEACH/UNSAT-H/SESOIL/HELP
  • MODFLOW and MT3D/RT3D
  • SWMM/HEC-RAS/HEC-HMS/ICPR

Drummond Carpenter staff have provided third party review of models and expert witness testimony regarding groundwater and surface water modeling projects. Projects have afforded experience performing deterministic and probabilistic modeling.

Environmental Assessment and Remediation

We are experienced in the assessment and remediation of media contaminated with various constituents including metals, chlorinated chemicals, petroleum hydrocarbons, radionuclides, and emerging pollutants. Our experience includes designing and/or implementing optimized groundwater pump and treat, in situ chemical oxidation (ISCO), biostimulation/bioaugmentation, surfactant enhanced aquifer remediation (SEAR), soil vapor extraction, and air sparging.

Civil Engineering and Water Resources

Drummond Carpenter staff have decades of experience dealing with multidisciplinary water resources issues ranging from hydro-modification of instream impoundments to implementing sediment sampling protocols for evaluating ecosystem health. Our expertise includes stormwater civil engineering, evaluating environmental fluid flows, sediment transport and analysis, watershed planning and management, springs protection, water quality improvements, nutrient and hydrologic budgets, and water supply protection.  Project outcomes have required us to collect field data using various manual and automated sampling equipment and developing computer models.  Several projects have included comprehensive decision-making models that include social, economic, and environmental components with stakeholder engagement strategies that included educational outreach, public forums, and survey development, administration, and analysis.

 

                                       Company Size/Small Business Classifications/NAICS Codes

 

Veteran-Owned Business

Service-disabled Veteran-Owned Small Business (SDVOSB)

D-U-N-S number 080129842

Cage Code 7KQK4

NAICS Codes 562910, 541330, 541620, 541990

 

Key Word/Key Phrase List

Modeling, groundwater modeling, MODFLOW, RESRAD, Remediation, SDVOSB, Veteran, Performance Assessment, Authorized Limits, Radiation Safety Officer, Operational Readiness Reviews, stormwater, audit

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47 East Robinson Street Suite 210 Orlando FL 32801