Expert Details

Expert in Cryogenics, Radiation Protection, Hazardous Materials, Health and Safety

Expert ID: 733364 Colorado, USA

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Expert worked in the United States Antarctic Program developing cryogenic management plans, purchasing cryogenic fluids, transporting, producing, and storing cryogenic fluids. His expertise is primarily with liquid helium and liquid nitrogen but does extend to liquid oxygen as well. He has worked on various cryogenic coldhead systems including basic GM, Sterling cycle, and turbine expanders for producing small scale amounts (<25L/Hr) of liquid nitrogen as well as pulse tube technology designed to reliquify cold helium gas in helium dewars.

His work includes the use of standard dewars as well as cryorefrigerators and dry shippers. He has conducted investigations into failure modes for dewars and dry shippers. His work involves the complex logistics of shipping cryogenic product and samples across the United States but also across international borders, including New Zealand, South America, Australia, Hong Kong, and Singapore.

Expert has worked on ultra-high vacuum (UHV) systems to include maintaining the annular space of dewars and using vacuum systems to remove contaminating gases from helium systems. This work revolves around the use of oil-less vacuum pumps to maintain the integrity of superinsulations used by many manufacturers.

Expert has consulted to Columbia Scientific Balloon Facility regard current inventory of cryogenic dewars, shipping of liquid helium globally, and strategies for successful conservation of liquid helium.

Expert may consult nationally and internationally, and is also local to the following cities: Denver, Colorado - Colorado Springs, Colorado - Aurora, Colorado - Fort Collins, Colorado - Arvada, Colorado - Pueblo, Colorado - Westminster, Colorado - Boulder, Colorado - Greeley, Colorado - Longmont, Colorado

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Year Degree Subject Institution
Year: 2016 Degree: Bachelor of Science Subject: Environmental Science Institution: University of Phoenix
Year: 1987 Degree: Associates of Science Subject: Radiation Protection Institution: Lakeshore Technical College

Work History

Years Employer Title Department Responsibilities
Years: 2012 to Present Employer: Undisclosed Title: Consultant Department: Centennial CO Responsibilities: Owner and operator of a consulting company specializing in cryogenics, health physics, and hazardous materials.
Years: 2000 to 2012 Employer: Raytheon Polar Service Title: Cryogenic Technician Department: Centennial CO Responsibilities: Expert worked at McMurdo Station, at Crary Science & Engineering Center providing expertise in purchasing chemicals, chemical safety, storage, and disposal. He provided health and safety training for the lab staff and emergency response as required.

He also acted as the cryogenic expert for McMurdo Station and South Pole Station involving liquid helium and liquid nitrogen and all associated equipment. Additional duties included operation and maintenance of the liquid nitrogen plant at McMurdo Station. He managed the compressed gases for the Crary Lab and the gaseous helium for weather related activities in McMurdo and South Pole.

Expert gained additional budget management experience, handling over $1.5 million in funds for cryogenics and subcontracts. He was responsible for management of the Ultra-Violet Spectral Irradiance Monitoring Network (UVSIMN) subcontract spanning Antarctica, South America, California, Alaska, and Greenland.
Years: 1992 to 2000 Employer: Antarctic Support Associates Title: Hazardous Materials Specialist Department: Centennial CO Responsibilities: With Antarctic Support Associates, Expert provided technical expertise dealing with hazardous materials such as laboratory chemicals, cryogenic liquids, compressed gas systems, and radioactive materials. Expert oversaw a chemical inventory of over 2400 line items at the Crary Science and Engineering Center at McMurdo Station.

He managed an extensive budget for cryogenic materials of over $550,000 and was responsible for developing this budget for each fiscal year. He provided ASA with a growing knowledge base in cryogenic systems including liquid nitrogen, liquid helium, liquid nitrogen plants, liquid helium refrigerators and most recently liquid oxygen systems. Expert gained experience in high vacuum equipment setups used to support cryogenic processes. He also developed, scheduled, and conducted training for individuals involved in cryogenic processes and for those receiving and tracking hazardous materials.

Expert performed electronic troubleshooting using electronic test equipment in the daily operation of cryogenic systems.

Expert provided “first response” capability to spills and chemical accidents within the Crary Lab as well as health and safety duties.
Years: 1991 to 1992 Employer: Dames & Moore Title: Health Physics Technician Department: Denver CO Responsibilities: Expert was employed by Dames & Moore as a Health Physicist and Health & Safety Officer. His primary task was working on a subcontract at the Rocky Flats Weapons Complex involving the geological characterization of the facility, primarily in the buffer zone. He was responsible for assessment, health, and safety of a drill crew of 15 people in the field.

His other duties included performing daily and routine monitoring and calibration of a variety of instruments including radioactive materials and gas/air sampling, Expert was responsible for daily logs and company vehicles.
Years: 1987 to 1991 Employer: Ramp Industries Title: Lab Manager Department: Denver CO Responsibilities: Employed Expert as the Senior HP Technician. He was promoted to Lab Manager within 18 months of hiring. Under the authority of the State of Colorado, Expert was a licensed user of radioisotopes and listed on (Undisclosed)'s license as an Alternate Radiation Safety Officer. was designated as an Emergency Coordinator during (Undisclosed)'s application for Part B permitting.

Career Accomplishments

Awards / Recognition
The Advisory Committee on Antarctic Names (ACAN or US-ACAN)
Letter of Appreciation Commander, U.S. Naval Support Force, Antarctica, Department of the Navy, November 199x

Additional Experience

Training / Seminars
 Cryogenic Fundamentals
 Transportation of Hazardous Materials Course
 Packaging & Transportation of Radioactive Waste Material
 8 Hour Health & Safety Supervisor Course
 Balzer Helium Refrigerator Rebuilding
 Fire Hazards in Oxygen Systems
 Cryogenic Systems Maintenance

Fields of Expertise

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