Services

SHN offers a broad range of environmental and remediation engineering services. Our remediation engineering capabilities are unique in northern California and southern Oregon to all but the larger, multinational A/E consultants, and differentiate us from our competition. SHN incorporates innovative site investigation methodology to rapidly and cost-effectively delineate contaminant extent. We offer the following professional environmental services

SHN offers a broad range of environmental and remediation engineering services. Our remediation engineering capabilities are unique in northern California and southern Oregon to all but the larger, multinational A/E consultants, and differentiate us from our competition. SHN incorporates innovative site investigation methodology to rapidly and cost-effectively delineate contaminant extent. We offer the following professional environmental services
Remediation Engineering Capabilities
Risk-Based Corrective Action Feasibility/Pilot Studies Remedial Design/Action Composting Soil Vapor Extraction Bioventing/Air Sparging Ozone Sparging Dual Phase Extraction Monitored Natural Attenuation	In Situ Chemical Oxidation Free Product Recovery Nitrate Injection Studies Oxygen/Hydrogen Barriers O&M of Remediation Systems Hazardous Waste Management Permitting/Regulatory Compliance Construction Oversight Mill Site Clean Ups
Environmental Capabilities
Phase I, II, and III Assessments Remedial Investigations Underground Storage Tanks RCRA/CERCLA Studies In situ characterization/MIPS Storm Water Sampling Direct Push Sampling Hazardous Materials Bus. Plans Air Quality Assessments	Program & Waste Audits Asbestos & Lead Consulting Services Mold Evaluations Oil Spill Prevention & Response Planning Industrial Hygiene Occupational Safety Wetlands Delineations Restoration Fish Ladders
SHN’s Environmental Services group employs more than 20 professionals, with senior professionals averaging more than 15 years of relevant experience. All phases of work are overseen by senior professionals under stringent quality assurance and quality control procedures. In addition to our technical expertise, SHN also manages regulatory requirements for our projects. We maintain close working relations with regulatory agencies that allow us to negotiate with regulators to get their “buy-in” on projects, which results in less time and money spent on project implementation. Our regulatory expertise includes permit acquisition, regulatory compliance, and report preparation. Our clients include small to large private sector companies such as Simpson Timber, ConocoPhillips, USA Petroleum, UPS, and Sierra Pacific Industries, along with public agencies such as Caltrans, California Department of General Services, US Forest Service, and various cities and counties throughout northern California and southern Oregon.