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Jerry Bucklin


Jerry Bucklin is President and CEO of NES. He is past chairman for the Association of Official Analytical Chemists Annual International Waste Disposal Symposium. He has instructed over 45,000 law enforcement representatives from 10 different countries and has taught selected courses in hazardous material/waste management at five University of California Campuses, including UC Davis, since 1986. He has taught the Clandestine Laboratory Safety Certification program for DEA since 1988. He has traveled to Canada and the U.S. Embassy in Jamaica to instruct on Clan Labs and Environmental Management Issues. He has spoken at numerous international law enforcement conferences on the hazards of clandestine laboratories and has been a plenary and keynote speaker at national conferences since 2005. Mr. Bucklin is a past California Certified Compliance School Instructor for the programs coordinated by DTSC. He served on the Sacramento chapter steering committee for the California Hazardous Waste Association. He was selected for the Outstanding University Extension Teacher Award for UC Davis in 1991 and served on the UC Davis Advisory Board for the Environmental Auditing Certificate Program and the Hazardous Material Certificate Program. He has extensive knowledge of hazardous materials/waste management operations as well as environmental compliance and transportation regulations. Mr. Bucklin has direct field experience in emergency response, chemical handling, environmental auditing, transportation and regulatory compliance. He currently provides hazardous waste management courses throughout California for various companies and trade associations.

David Durst


David Durst is Senior Vice President and Principal Industrial Hygienist for NES. He has more than 25 years of comprehensive industrial hygiene experience included serving as Director of Corporate Health & Safety for a nationwide environmental engineering firm. Duties included program development and supervising industrial hygienists, environmental scientists, technicians and managing health & safety risks. He has managed fixed site health and safety programs for the aerospace and defense industries; served as a health and safety consultant throughout the United States; been responsible for project design and management of hazardous material investigations; designed and managed both national and international health and safety program components for superfund site investigations and remediation projects. Mr. Durst has provided training to thousands of law enforcement personnel in clandestine lab safety operations for the Drug Enforcement Administration, and other law enforcement agencies . He has taught several industrial hygiene related courses for the University of California at Davis. Mr. Durst provides expert witness testimony and technical support for microbial cases, indoor air quality, clandestine laboratory cases and occupational, safety & health cases. Mr. Durst is a past president of the American Industrial Hygiene Association Local Section and serves on the AIHA's Methamphetamine Working Group.

Donald Rothenbaum


Donald Rothenbaum is a Senior Vice President and Principal Trainer for NES. He is an environmental engineer and a Registered Environmental Assessor and Certified Professional Environmental Auditor. Mr. Rothenbaum has 26 years of environmental experience in government, industry and consulting. His experience includes: water quality enforcement and permitting; municipal and industrial stormwater management; hazardous waste site remediation and emergency response; remedial investigation and feasibility studies; environmental compliance and management system audits; environmental planning (impact assessment and reporting); hazardous waste facility closures; EH&S permitting; and development of EH&S programs and environmental management systems. He teaches various courses through the University of California Davis Extension and is a member of the UC Davis Extension Advisory Board for Environmental Management and Auditing and the Regional Environmental Business Resource Center Advisory Board. Mr. Rothenbaum has trained environmental professionals on regulatory compliance topics, environmental auditing, and environmental management principles through the UC Extension system and for several Fortune-500 companies.

Steve Reichow

Steve Reichow is the Environmental Health & Safety Training Manager at NES. Mr. Reichow attended California State University Sacramento with course work in Environmental Studies, and received an Associate Science Degree in Environmental Technology from Cosumnes River College. He gained practical and hands on experience of waste segregation, packaging, profiling, manifesting, and transportation of Hazardous Waste from time spent as an Environmental Field Chemist at a local TSDF. Also has vast knowledge of DOT and Hazardous Waste Regulations from overseeing the day to day operations of a Hazardous Waste Transportation and Emergency Response Company.

Earl Thomas

Earl Thomas is an environmental waste consultant and training associate, with 25 years of experience. Mr. Thomas began his career with the IT Corp in 1982, serving 10 years as an emergency responder, a "Class A" Hazardous Waste Hauler, and a lead environmental waste technologist. Mr. Thomas obtained a certificate in hazardous materials management from the University of California at Davis, subsequent to which he provided technical and managerial support to the Lawrence Livermore National Laboratory's Environmental Protection Department in multiple capacities (e.g., lab pack operations supervisor; medical waste subject matter expert; and permits and regulatory affairs environmental analyst). Mr. Thomas has authored several regulatory guidance documents; hosted and conducted environmental audits; and has been the recipient of numerous awards for his achievements in the environmental field.

John Balobeck

Certified Professional in Erosion and Sediment Control

Mr. Balobeck is a Managing Director with NES, Inc. in the Bay Area office. He is responsible for principal oversight of environmental, health & safety consulting projects and as a lead instructor for NPDES construction courses offered by NES.

Mr. Balobeck is a nationally experienced program manager with extensive experience in both private and public sectors as a change agent manager, with more than 17 years of exposure to multiple sections of the construction, municipal and environmental industries.

Mr. Balobeck has technical expertise in regional management of environmental programs, compliance auditing, Storm Water Pollution Prevention Plans (SWPPP), Spill Prevention Control and Containment (SPCC), Health and Safety Plans (HASPs), air quality, regulatory affairs, soil and groundwater remediation and environmental permitting. He has managed remedial investigations, environmental assessments, water quality studies, NPDES permitting, and air quality compliance programs. He also has project management and site superintendent experience on demolition, construction and remediation projects. Mr. Balobeck continues to strengthen NES relationships through outstanding communication and a sharp attention to client’s needs.

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