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DH Environmental Staff

David J. Hill, PE, CHMM
President and Principal Engineer
Mr. Hill is a licensed professional engineer with over twenty-six years of experience in hazardous waste management, environmental remediation, regulatory compliance auditing, construction, and environmental project management. This experience includes consulting and management of multi-disciplinary environmental contracts for various government entities, municipalities and private sector clients. Mr. Hill has extensive experience implementing RCRA and state hazardous waste programs, providing regulatory interpretations and positions on complex cleanup and industrial sites, and assessing environmental compliance at industrial facilities. He is trained at the NFPA 472 Hazardous Materials Technician level as well as the OSHA HAZWOPER Supervisor level. Mr. Hill conducts environmental training and has supervised HAZWOPER related activities for regulated facilities and cleanup projects. Mr. Hill is the Principal Engineer and President of DH Environmental, Inc.

Contact Dave Hill:
Tel: 206.293.3126
Email: davehill@dhenviro.com

Scott St. John, CHMM
Project Services Program Director

Mr. St. John is an environmental and hazardous materials professional with more than 30 years of experience managing multidisciplinary environmental cleanup projects for private enterprise, and for government organizations. Mr. St John has participated in over 75 EPA emergency response projects involving hundreds of different toxic and hazardous materials that require many different methods of sampling, analysis, classification, transport and disposal. In addition, Mr. St. John has worked on major FEMA disaster projects. Mr. St. John is an innovative and energetic leader, skilled communicator and team builder. He is knowledgeable and skilled in working under various environmental laws/regulations (RCRA, TSCA, CERCLA, NRC, DOT, OSHA, 40-CFR and state) and has a proven track record of timely and satisfactory completion of environmental remediation and emergency response projects. Mr. St. John holds a B.S. degree in Environmental Science, is a HAZWOPER Supervisor and is trained and certified in all manner of hazardous waste/dangerous designation, packaging, profiling, transportation and disposal including WAC 173-303-070 training and DOT Triennial training in accordance with 49 CFR 172.704(a). 

Contact Scott St. John:
Tel: 206.327.0026
Email: scottstjohn@dhenviro.com

Travis Forslund, CHMP, CES
Project Services Program Manager - Waste Management and Industrial Services



Mr. Forslund has over 20 years of experience in hazardous materials management, environmental emergency response, industrial project management and regulatory compliance. This experience includes hazardous waste handling, waste characterization, hazardous materials transportation, waste storage and inspection. Mr. Forslund has extensive experience managing hazardous waste from chemical and petroleum releases and managing decontamination and cleanup projects.

Contact Travis Forsdlund:
Tel: 206.795.7092
Email: travis.forslund@dhenviro.com

Stacy Fox, CHMM

Senior Consultant

Ms. Fox has over 25 years of experience in hazardous waste management, stormwater pollution prevention, spill response, regulatory compliance auditing, construction oversite, and environmental project management. Ms. Fox has extensive experience implementing RCRA and state hazardous waste programs and assessing environmental compliance at industrial facilities. Ms. Fox also has extensive experience developing and conducting environmental training programs and has supervised numerous spill response events working with multiple stakeholders and agencies to coordinate cleanup. She also has wide-ranging knowledge of stormwater conveyance system management, source tracing, erosion control best management practices, Clean Water Act/NPDES compliance and has developed and implemented Storm Water Pollution Prevention Plans and related documents in accordance with individual NPDES permits as well as general permits.


Contact Stacy Fox:
Tel: 206.777-5159
Email: stacyfox@dhenviro.com

Brian Johnson, OHST, CET
EHS Program Director

Mr. Johnson has over 22 years of experience in environmental, health and safety (EHS) program development and environmental project management. His work experience includes managing emergency response operations, providing environmental training, environmental sampling and hazardous operations, and EHS program auditing. Project experience ranges from over-water environmental response to upland responses including rail car incidents and energy sector operations. Current projects with DH Environmental, Inc. include numerous environmental training engagements, conducting hazardous building materials good faith surveys, dangerous waste management for a medium and large quantity generator facilities, multimedia sampling and business development.

Contact Brian Johnson:
Tel: 206.930.4043
Email: brian.johnson@dhenviro.com

 

Al Leiataua 

DOT HAZMAT Driver/HAZWOPER Techncian

Mr. Leiataua is a Washington State licensed DOT HAZMAT driver with over 32 years of experience in hazardous/non-hazardous materials transportation and disposal, environmental emergency response, industrial project supervision and hazardous materials management. This experience includes the operation of heavy equipment and various vehicle to conduct hazardous waste handling and hazardous materials transportation.  Past experience includes time working for national emergency response and waste disposal companies such as NRC Environmental, Clean Harbors Environmental, Veolia Industrial Services and Emerald Services. 


Contact Al Leiataua:
Tel: 206.566.3293
Email: al.leiataua@dhenviro.com

Nathan Moxley, LG, LHG

Principal Hydrogeologist

Mr. Moxley is a Washington State licensed geologist and hydrogeologist with 17 years of experience conducting and managing environmental investigations, site assessments, and remediation projects. This experience includes conducting and managing all aspects of Phase I and II environmental site investigations, feasibility studies, and remedial evaluations.  Mr. Moxley is an experienced construction manager and has managed multiple remediation projects including large scale complex projects involving multiple subcontractors.  Mr. Moxley also has experience conducting and evaluating aquifer studies in support of Site assessments and water resource evaluations, and he is an effective communicator with both industry, regulators, and the public.


Contact Nathan Moxley:
Tel: 509.332.9281
Email: nathan.moxley@dhenviro.com

Lacee R. Ostbye, CHMM

Project Manager / Task Leader

Ms. Ostbye has over ten years of experience in hazardous waste management, hazardous materials transportation and environmental regulatory compliance. She is trained, certified, and experienced in hazardous waste compliance, multimedia sampling, environmental compliance inspection, identification of unknown materials, and Department of Transportation (DOT) compliance. She has extensive experience engaging with regulators, conducting audits, and managing Integrated Site Services for various clients including colleges and universities, port facilities, as well as aerospace and manufacturing facilities.  


Contact Lacee Ostbye:
Tel: 253.590.6603
Email: lacee.ostbye@dhenviro.com

Daniel J. Rohde, CHMM
Senior Hazardous Materials Specialist

Mr. Rohde has over 21 years of experience in hazardous waste management, hazardous materials transportation and regulatory compliance. He is trained, certified and experienced in hazardous materials transportation, UST site assessment, Steel Tank Institute SP001 inspections, multimedia sampling, environmental compliance inspection, identification of unknown materials and reactive materials stabilization. Mr. R
ohde has participated in numerous high chemical hazard responses to stabilize reactive chemicals and package for transportation and disposal. Stabilization responses included remote opening and stabilization of highly hazardous materials such as peroxide forming materials, picric acid, azide compounds and explosives. Mr. Rohde routinely conducts environmental inspections for a variety of regulatory programs including NPDES/SWPPP requirements, SPCC regulations, hazardous waste/WA State dangerous waste, and construction site pollution prevention. Mr. Rohde holds a B.S. degree in Chemistry along with numerous certifications.

Contact Dan Rohde:
Tel: 206.595.1373
Email: dan.rohde@dhenviro.com

Damon Cromar
Project Scientist 

 

Mr. Cromar has over 12 years experience Providing environmental consulting services for large civil construction projects with multiple stakeholders including various construction contractors, WSDOT, Sound Transit, and Port of Seattle. Damon is a Certified Erosion and Sediment Control Lead (CESCL) and has extensive experience conducting multimedia sampling and assessing environmental site conditions. Mr. Cromar has a B.S. in Environmental Science with a minor in Geology, along with numerous environmental, health and safety certifications required for a wide range of construction monitoring and remediation oversight. 

Contact Damon Cromar:

Tel: (509) 778-2020

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