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Environmental fate and transport investigations:
Petroleum, chemical and radiological releases

Principal Investigator
Marco Kaltofen, PhD, PE (Civil, MA), C. NSE
2 Summer Street - Suite 14, Natick, MA 01760
(508) 314-9334 | mpkaltofen@gmail.com

About Us | Expert Testimony | What we do
Projects, Publications and Lectures

Project Experience:
Marco Kaltofen, PhD, PE, (Civil, MA), C. NSE

Environmental Fate and Transport Investigations:
Design, budgeting, project management and execution of scientific inquiries.

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Fukushima Daiichi Global Air Monitoring Project

  • Japan and United States
  • Engineer responsible for set up and analysis of materials collected from air and dust sampling systems.

Hanford Nuclear Reservation - Study Location

  • Columbia River, Washington, United States
  • Sampling planning and study design for radiological and mixed waste contaminants, particularly developing sampling strategies for food chain contaminants including Strontium 90, Tritium, Americium, Plutonium, and Uranium isotopes

Mayak Chemical Nuclear Facility - Study Location

  • Techa River downstream of the/in the Ural Mountains in Russian Central Asia
  • Study design for radiologic and mixed waste contaminants, particularly developing sampling strategies for food chain contaminants including Strontium 90 and Cesium 137.

Depleted Uranium - particle transport measurements

  • Environmental fate and transport of uranium particles from the use of depleted uranium ammunition

Radiological Monitoring and Testing Seminar

  • St. Petersburg, Russia
  • Presenter at conference on nuclear policies and technologies.

Radiological Monitoring and Laboratory Procedures

  • Chelyabinsk and Chelyabinsk Oblast, Russia
  • Performed an on-site radiological review for regional and municipal environmental authorities.

Nanda Devi Glacier - Sample Origin

  • Near Lata, India
  • Determined total alpha and beta radiation and X-ray spectra from river sediments related to naturally-occurring uranium monazites and contamination from plutonium-238 and -239.

Los Alamos National Laboratory - Study Location

  • Los Alamos, New Mexico, United States
  • Completed study designs, field sampling, and on-site monitoring for an offsite radiologic contaminant migration study, including a review of NPDES effluent quality data and soil and sediment chemical quality data.

Human Radiological Exposures

  • Los Alamos, New Mexico, United States
  • Investigations for radiological exposures of Native American Indian craftworkers.

Residential Sampling

  • Southeastern and Northwestern United States
  • Investigation of indoor residential dust samples to provide reference data for residential sampling of known radiological emission sites, including total alpha, beta, and gamma emitters, and particle morphology and diameter.

Rocky Flats Plant, Former Nuclear Weapons Facility - Study Location

  • Outside Boulder, Colorado, United States
  • Sampling and analysis of plutonium in perimeter soils and dusts


BP/Transocean Mississippi Canyon 252 Deepwater Horizon Oil Spill

  • Gulf of Mexico (Gulf of Mexico Coast, or LA, FL, AL, MS), United States
  • Engineer responsible for sampling, testing, methods development and inspection of crude oil contamination.

Murphy Oil Spill / Hurricane Katrina

  • Chalmette, Louisiana, United States
  • Lead Field Engineer responsible for sampling and inspection.

Hurricane Damage Assessment

  • Mobile Bay, Mobile and Bayou LA Batre, Alabama, and Pascagoula, Mississippi
  • Performed post-Hurricane Katrina field examination of petroleum and diesel fuel spills

Crude Oil Pipeline Release

  • Red Butte Creek, Salt Lake City, Utah, United States
  • Site investigation.

Oil Refinery Petroleum Release

  • 2007 Coffeyville, Kansas, United States
  • Engineer responsible for site investigation, sampling, analysis and mapping,.

Intentional Wartime Petroleum Release Investigation

  • Kingdom of Kuwait
  • Designed sampling protocols and performed analyses of air, water, and sediment samples after cessation of hostilities with Iraq.

Former Chemical/Petroleum Barrel Reclaimer

  • Chicago, Illinois, United States
  • Sampling and analysis of on-site and off-site dusts, soils, air, and ashes.

Leaking Underground Petroleum Tank

  • Cambridge, Massachusetts, United States
  • Engineer in responsible charge of site investigations and remediation of a leaking underground petroleum product storage tank and fuel line in an urban commercial setting.

Leaking Underground Storage Tank

  • Woburn, Massachusetts, United States Design and completion of sampling efforts to complete indoor air quality studies for gasoline-related volatile organic compounds.

Petroleum and Jet A1 Releases

  • Antarctica
  • Designed sampling protocol and carried out all analyses for closure of a scientific base.

Refinery/Chloralkali Complex

  • Vicinity of Volgagrad in the Russian Republic
  • Performed site investigations of water and industrial wastewater treatment facilities.

Drilling Related Contaminants

  • North Atlantic and Gulf Coast Waters, United States
  • Analysis of petroleum exploration and production drilling fluids and analysis of marine biota for drilling fluid-related contaminants.


Love Canal Review and Validation of Site Data

  • Niagara Falls, New York, United States
  • Including field verification related to environmental quality analyses, prior to settlement agreements between Occidental Chemicals and the USEPA.

Permeable Reactive Barrier Installation

  • Sudbury, Massachusetts
  • Researched, specified and reviewed design and construction of a permeable reactive barrier installation to prevent migration of a contaminated groundwater plume containing perchloroethylene and trichloroethylene.

Cyanobacteria and Water Quality

  • Massachusetts and California Lakes, United States
  • Reviewed water quality issues and potential control measures.

Waste and Demolition Debris Landfill

  • Seneca, South Carolina, United States
  • Site investigation, sampling, and analysis of metals, PCBs, and polychlorinated dibenzodioxins and dibenzofurans

POTW Wastewater Discharges

  • Boston, Massachusetts
  • Completed review of POTW wastewater discharges, discharge monitoring performance and pretreatment technologies for high petroleum hydrocarbon-bearing and alkaline industrial waste streams.

Chlorinated Wastes

  • Massachusetts, United States
  • Engineer in responsible charge of site investigations at eight Massachusetts retail centers involving remediation and assessment of leaking underground storage tanks and buried hazardous chlorinated wastes.

Mercury Cell Chloralkali Production Facility

  • Coastal Alabama, United States
  • Field analyses, sampling, and environmental fate review of former facility, including off-site analyses in multiple media.

Iron Mine / Paint Waste Disposal

  • New Jersey, United States
  • Review and inspection of a former iron mine used for automobile paint waste disposal.

Mercury Cell Chloralkali Production Facility

  • Northern Alabama, United States
  • Field analyses, sampling, and environmental fate review at an operating facility, including on-site and off-site analyses in multiple media.

Municipal/Industrial Waste Landfill

  • South Texas, United States
  • Site investigation, including determination of the environmental fate of materials released from the land disposal facility after initial placement.

Industrial Contamination

  • Seattle, Washington, United States
  • Engineer in responsible for site investigations, remedial method selection and design of a PCE contaminated groundwater environment and metal contaminated soils in an industrial zone.

Industrial Wastewater Effluent

  • Renosa, Mexico
  • Designed and carried out a complete sampling and laboratory analysis protocol for a 70-site study of wastewater effluent characteristics in automobile and electronic component plants.

Chlorinated Pesticide Residues

  • Matamoros, Mexico
  • Sampled and analyzed residential soils.

Nerve and Blister Agents

  • Umatilla Chemical Depot, Washington, United States
  • Data review and method validation for nerve agents and blister agents (including Sarin and Mustard-HD). Review of confirmed agent detection records and US Army analytical procedures for GC-MS, GC-FPD, and other analytical methods.


Metal Smelter Wastes

  • Corpus Christi, Texas, United States
  • Designed and performed field study of indoor house dusts and particulates for toxic metals using atomic spectroscopy, X-ray microanalysis, and digital optical microscopy.

Quarry Dust & Particulate Releases

  • West Texas, United States
  • Determination of free crystaline silicate and other mineral particulate air releases, including sampling of parent material, air, soils, and dusts.

Surface Bedrock and Weathered Materials Survey

  • Cuidad Juarez, Mexico
  • Sampled for the determination of free crystaline silicates and naturally-occurring arsenic.

Medical Devices Manufacturing Facility

  • South Texas, United States
  • Performed real-time air quality monitoring and field sampling of beryllium-based particulates in a , and determined particle size, loading, and morphology examination of metallic cuttings and dusts.

Cement Kiln / Lead and Cadmium

  • West Texas, United States
  • Assessment of lead and cadmium transport via soils and sediments surrounding a cement kiln.

Food Contact Materials Investigation

  • Watertown, Massachusetts
  • Sampled and analyzed expanded polystyrene foams for extractable meals under replicated biological conditions.

Oceanographic Research Cruise

  • Gulf of Finland
  • Collected marine samples for a combined German and Swedish oceanographic research team.

Laboratory Design

  • Amsterdam, The Netherlands, and Russia
  • Reviewed field laboratory designs and field procedures for NGO laboratory testing facilities.

Former Lead Smelter

  • Wellesley, Massachusetts, United States
  • Detection of lead, arsenic, hafnium, and other metals in soils from a closed 19th century smelter, including use of Scanning Electron Microscopy/EDX and Atomic Absorption methods for determining insoluble lead species and the morphology and origins of lead and chromate-containing particulates.


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