Reduce Risk and Maintain Compliance with Expert Support
Environmental Works, Inc. (EWI) helps businesses achieve and maintain environmental regulatory compliance through proven strategies and direct relationships with federal and state regulatory agencies. Our compliance management services deliver:
- Comprehensive environmental management systems tailored to your facility
- Proactive compliance strategies that prevent violations and reduce risk
- Cost savings through efficient operations and avoided penalties
With over 30 years of experience in the environmental services industry, EWI serves a variety of industries, businesses, and municipalities across the central United States. Operating from 11 strategically located offices in Missouri, Kansas, Arkansas, Illinois, Oklahoma, Colorado, Texas, Indiana, and Iowa, our team of scientists, equipment operators, technicians, and project managers enables us to provide a wide variety of services under one roof while remaining flexible and cost-effective. We bring extensive expertise, insight, and specialized equipment to every project, managing it safely from start to finish.

EWI has a proven history of success with the following programs and services:
Resource Conservation and Recovery Act (RCRA)
EWI delivers comprehensive RCRA compliance and waste management support, helping facilities navigate hazardous and non-hazardous waste requirements. Our experienced environmental professionals work alongside clients on day-to-day waste operations, inspections, documentation, and reporting, while offering strategic guidance to maintain compliance and reduce regulatory risk.
Our services span from routine inspections and waste determinations to complex disposal logistics and regulatory permitting. EWI provides practical, defensible waste management solutions that help clients avoid violations, improve efficiency, and implement effective waste management programs.
- Hazardous Waste Management & Inspections:
- Weekly, monthly, and site-specific RCRA inspections
- Accumulation area compliance setup and support
- Inspection documentation and corrective action tracking
- Waste Determination, Characterization & Sampling:
- Generator status evaluations
- Waste stream identification and classification
- Sampling coordination and analytical review
- Waste Packaging & Labeling:
- Container selection and compatibility determinations
- Labeling, marking, and dating containers for storage and disposal
- Storage time limit tracking
- Overpacking and sorting for disposal
- Waste Profiling, Brokering, Transportation & Disposal:
- Waste profiling and vendor coordination
- Transporter and disposal facility selection
- Manifest preparation and tracking
- Disposal documentation and recordkeeping
- Universal Waste Management & Inspections
- Special Waste Management & Inspections
- General Waste Management Consulting:
- Waste handling procedure development
- Program optimization and cost reduction strategies
- Waste Reporting and Recordkeeping:
- Quarterly, annual, and biennial reporting
- Manifest reconciliation and exception reporting
- Electronic reporting (e-Manifest) support
- Waste Minimization Plans and Pollution Prevention Planning:
- Waste minimization plans and assessments
- Process reviews and source reduction strategies
- Sustainability and waste reduction support
- Hazardous Waste Contingency Plans & Emergency Planning:
- Contingency plan development and updates
- Emergency coordinator designation support
- Spill and incident response coordination
- Compliance Audits & Corrective Action Support:
- RCRA compliance audits and gap assessments
- Deficiency identification and resolution planning
- Regulatory response and documentation support
- Agency & Enforcement Support:
- Regulatory agency coordination
- Notice of Violation (NOV) response assistance
- Consent order and enforcement support
- Training & Program Implementation:
- Hazardous, universal, and special waste training services
- Site-specific procedure development
- Employee awareness and compliance support
Clean Air Act
Navigate Clean Air Act requirements with confidence through EWI’s comprehensive air quality and regulatory compliance services. Our environmental consultants partner with clients at every stage — from planning and permitting to ongoing compliance, reporting, and regulatory strategy — providing practical solutions tailored to facility operations and project goals.
Whether supporting routine compliance, facility modifications, or complex regulatory challenges, EWI delivers technically sound, defensible air quality solutions that help manage risk, maintain compliance, and support long-term operational success.
- Air Permitting Support:
- Construction permit applications
- Potential to Emit (PTE) Calculations and Assessments
- Air Dispersion Modeling
- Operating permit renewals, applications, and amendments
- Administrative, minor, and significant permit modifications
- Change management support
- Regulatory agency communication
- Public notice and comment support
- Response to agency information requests
- Method 9 and Method 22 Visual Emissions Inspections
- Construction permit applications
- Air Emissions Management:
- Emissions tracking
- Compliance reporting (semi-annual and annual compliance reporting)
- Emissions Inventory Questionnaires (EIQ) reporting
- Enforcement & Compliance Support:
- Notice of Violation (NOV) response assistance
- Consent decree and settlement support
- Compliance strategy development
- National Emissions Standards for Hazardous Air Pollutants (NESHAP):
- NESHAP Reporting for Regulated Sources
- Risk Management Plans
- Regulatory Applicability & Compliance Assessments:
- NSR/PSD applicability analyses
- MACT and GACT applicability determinations
- State and federal regulatory reviews
- Compliance Audits & GAP Assessments:
- Air Compliance audits
- Permit condition reviews
- Corrective action planning
Clean Water Act
Our water quality specialists partner with industrial, municipal, and commercial facilities to manage stormwater, wastewater, and surface water regulatory requirements under the Clean Water Act. Comprehensive support covers planning, permitting, implementation, monitoring, and reporting — ensuring compliance while protecting water resources.
Services range from day-to-day permit compliance to complex discharge requirements and program development. We provide practical and defensible solutions that reduce regulatory risk, support operational continuity, and help clients proactively manage evolving water quality regulations.
- Stormwater Pollution Prevention Plans (SWPPPs) Development & Updates:
- Stormwater inspections & BMP maintenance
- BMP design & implementation
- Regulatory Applicability & Compliance Assessments:
- CWA applicability evaluations
- Permit GAP analyses
- State and federal regulatory reviews
- National Pollutant Discharge Elimination System (NPDES) Compliance:
- Industrial stormwater permitting
- Construction stormwater permitting
- Wastewater permitting
- Inspections, sampling, and reporting
- Land Disturbance Permitting and Compliance Support:
- Construction stormwater permit application support
- Erosion and sediment control plan development
- Land disturbance inspections and compliance tracking
- Permit closeout and Notice of Termination (NOT) support
- Publicly Owned Treatment Works (POTW) Discharge Compliance:
- Pretreatment permitting support
- Discharge monitoring & reporting
- Local limit compliance assistance
- Wastewater Sampling & Reporting:
- Composite and grab sampling
- Field pH laboratory – KS
- Sampling plan development
- Chain-of-custody (COC) management
- Data validation and QA/QC
- DMR preparation and submittals
- Annual and benchmark reporting
- Stormwater Treatment Facility (STF) Certification Support:
- STF program development and implementation
- Certification preparation and documentation
- Professional Engineer (PE) certification
- Ongoing compliance and reporting support
- Agency & Stakeholder Coordination:
- Regulatory agency communication
- Response to Notices of Violation (NOVs)
- Enforcement and consent order support
- Wetland Mitigation & Regulatory Support:
- Wetland and stream delineation
- Jurisdictional determinations and regulatory applicability support
- Section 404 and Section 401 permit assistance
- Mitigation planning and strategy development
- Permit compliance monitoring and reporting
- Mitigation banking and in-lieu fee program coordination
- Regulatory agency coordination and permit closeout support
- Inspections, Audits, & Corrective Action Support:
- Compliance audits and site assessments
- Deficiency identification and resolution planning
- Corrective action tracking and documentation
- Training and Program Implementation:
- Site-specific and general awareness training
- Lead Service Line Inventory Services – “Get The Lead Out”
Emergency Planning & Community Right-to-Know Act (EPCRA)
EWI’s environmental professionals help facilities meet Community Right-to-Know and emergency planning requirements through comprehensive EPCRA compliance and chemical reporting support. We partner with clients to manage chemical inventories, regulatory reporting, and emergency planning obligations, ensuring accurate and timely submissions as well as clear communication with regulatory agencies and local responders.
From annual Tier II and TRI reporting to emergency release notifications and planning support, EWI delivers practical, defensible solutions that reduce compliance risk, support emergency preparedness, and help facilities maintain transparency with regulators and the community.
- Tier II Chemical Inventories & Reporting:
- Chemical inventory evaluations and threshold determinations
- Tier II report preparation and submittal
- State and local agency coordination
- Toxic Release Inventory (TRI):
- TRI applicability and threshold determinations
- Form A and Form R preparation and submittal
- Release estimation and calculation support
- Documentation and audit-ready recordkeeping
- Emergency Release Notification & Reporting
- Emergency Response and Preparedness Support:
- Extremely Hazardous Substance (EHS) reporting
- Emergency Response Plan development and updates
- Facility walkthroughs and responder coordination
- Tabletop exercise and drill support
- Safety Data Sheets (SDS) Management:
- SDS inventory development and maintenance
- SDS reviews and applicability assessments
Oil Pollution Act
EWI offers comprehensive Oil Pollution Act compliance and spill prevention services to help facilities confidently manage oil storage, handling, and response requirements. Our experienced engineers and environmental professionals support clients with planning, inspections, testing, design, and regulatory compliance for aboveground and underground storage systems.
Through SPCC and Facility Response Plans, tank integrity testing, and secondary containment design, we help facilities prevent oil releases, safeguard environmental resources, and meet federal and state regulatory requirements.
- Spill, Prevention, Control, & Countermeasure (SPCC) Plans and Inspections:
- SPCC plan development, certification, and updates
- Facility inspections and compliance evaluations
- Spill prevention and control measure assessments
- Facility Response Plan (FRP) Development & Support:
- FRP preparation and regulatory submittals
- Worst-case discharge and response scenario analysis
- Plan development, maintenance, and updates
- Coordination with federal and state agencies
- Oil Spill Contingency Planning
- Secondary Containment Design & Evaluation
- Tank Integrity Testing & Inspections:
- Steel Tank Institute (STI) inspections
- American Petroleum Institute (API) inspections
- Aboveground and underground tank integrity assessments
- Tank Registrations & Regulatory Compliance:
- Tank registration support and renewals
- PSTIF support and renewals
- Compliance assistance for:
- Aboveground Storage Tanks (ASTs)
- Underground Storage Tanks (USTs)
- Oil/Water Separators
- State-specific regulatory coordination
- Training & Exercises:
- SPCC and FRP training
- Tabletop and functional response exercises
- Spill response drills and documentation
- Inspections, Audits, and Corrective Action Support:
- OPA and SPCC compliance audits
- Deficiency identification and corrective action planning
- Regulatory inspection preparation and follow-up
- Incident Response & Regulatory Reporting:
- Spill response coordination support
- Regulatory notification and reporting assistance
- Post-incident documentation and corrective action support
- Engineering Certification and Professional Support:
- Professional Engineer (PE) certification services
- Engineering design reviews and calculations
- PE support available in 16 states
- Agency & Enforcement Support:
- Response to Notices of Violation (NOVs)
- Enforcement and compliance strategy support
Audit and Assessment Services
Organizations seeking to identify compliance gaps, manage risk, and strengthen environmental, health, and safety (EHS) programs turn to EWI for comprehensive audit and assessment services. Through evaluation of regulatory compliance, operational practices, and management systems, our certified auditors deliver clear, actionable insights that support informed decision-making.
From environmental and safety audits to management system reviews and regulatory assessments, we provide practical evaluations that help clients maintain compliance, reduce liability, and drive continuous improvement.
- Environmental Compliance Audits:
- Federal, state, and local regulatory compliance evaluations
- Multi-media audits (air, water, waste, EPCRA, OPA)
- Facility-wide and program-specific audits
- Environmental Management System (EMS) Reviews:
- ISO 14001 conformance and gap assessments
- EMS program development and improvement support
- Documentation and implementation reviews
- OSHA Compliance & Safety Audits:
- Occupational safety and health compliance evaluations
- Hazard assessments and job safety analyses
- Program and procedure reviews
- ISO 14001 & ISO 45001 Auditing:
- Internal audits and readiness assessments
- Certification support and maintenance audits
- Integration of environmental and safety management systems
- EPCRA/SARA Title III Assessments:
- Chemical inventory and threshold evaluations
- Tier II and TRI applicability assessments
- Reporting accuracy and compliance reviews
- Evaluation of New Operations, Processes & Facility Changes:
- Regulatory applicability and permitting impact reviews
- Process and operational change assessments
- Compliance planning for expansions and modifications
- Chemical Inventory Assessments:
- Chemical inventory development and verification
- Cross-program data reconciliation (EPCRA, RCRA, TRI)
- Inventory optimization and compliance support
- Waste Minimization & Pollution Prevention Assessments:
- Waste stream evaluations and reduction opportunities
- Pollution prevention planning and strategy development
- Sustainability and efficiency improvement support
- Corrective Action & Continuous Improvement Planning:
- Audit finding prioritization and tracking
- Corrective and preventive action development
- Program performance improvement support
Toxic Substances Control Act (TSCA)
The full lifecycle of chemical and material compliance under TSCA requires careful navigation — from inventory reporting and regulatory notifications to assessments, testing, and remediation planning. EWI supports manufacturers, building owners, and facilities throughout this complex process.
Whether addressing legacy materials such as PCBs and asbestos or emerging contaminants like PFAS, our team delivers sound solutions that support regulatory compliance, protect occupant health, and reduce long-term liability.
- TSCA Inventory Reporting:
- Chemical inventory evaluations and applicability determinations
- Inventory reporting preparation and submittal
- Recordkeeping and compliance support
- Pre-Manufacture Notifications (PMNs):
- PMN applicability evaluations
- Notification preparation and EPA coordination
- New chemical compliance support
- Significant New Use Rules (SNURs):
- SNUR applicability determinations
- Compliance strategy development
- Documentation and reporting support
- Import & Export Certification Reporting:
- TSCA import certification support
- Export notification and reporting
- Customs and regulatory coordination
- Polychlorinated Biphenyl (PCB) Assessments:
- PCB identification and inventory development
- Equipment and building material evaluations
- Compliance documentation and disposal support
- Asbestos & Lead-Based Paint Assessments:
- Building inspections and material assessments
- Abatement and management planning support
- Lead Exposure Reduction Consulting:
- Risk assessments and exposure evaluations
- Mitigation and control strategy development
- Indoor Radon Assessments:
- Radon testing and evaluation
- Results interpretation and mitigation recommendations
- Operation & Maintenance (O&M) Plan Development
- Per- and Polyfluoroalkyl Substances (PFAS) Services:
- PFAS sampling, testing, and evaluation
- Regulatory applicability and risk assessments
National Environmental Policy Act (NEPA)
Federal, state, and federally funded projects must navigate the NEPA environmental review process to evaluate potential environmental, social, and cultural impacts. EWI’s environmental scientists and technical specialists help agencies and project proponents meet National Environmental Policy Act requirements while maintaining project schedules.
Early coordination and Environmental Assessments, along with complex Environmental Impact Statements, are delivered through multidisciplinary analyses across all required resource areas, supporting informed decision-making, regulatory compliance, and successful project implementation.
- Environmental Assessments (EA)
- Environmental Impact Studies (EIS)
- EA & EIS May Include:
- Early Coordination
- Air Quality & Clean Air Act Review
- Airport Hazards & Airspace Compatibility
- Coastal Barrier Resources
- Coastal Zone Management
- Contamination & Toxic Substances
- Threatened & Endangered (T&E) Species Surveys
- Habitat Assessments
- Environmental Justice analysis
- Explosive & Flammable Operations
- Farmland Protection
- Floodplain Management
- Historic Preservation & Cultural Resources
- Noise Abatement & Control
- Sole Source Aquifers
- Wetland Protection
- Wild & Scenic Rivers
- Geology, Seismicity & Soils
- Land Use & Zoning
- Traffic & Transportation Impacts
- Public Involvement & Stakeholder Coordination
- Interagency Consultation & Permitting Coordination
- Mitigation Planning & Monitoring
Industrial Hygiene Services
Protecting worker health, managing occupational exposures, and maintaining OSHA compliance are critical priorities for any organization. EWI’s certified industrial hygienists identify, evaluate, and control workplace hazards through targeted assessments, sampling, and risk evaluations.
Our services span routine exposure monitoring to complex contaminant investigations, delivering practical solutions that support safe work environments, regulatory compliance, and effective hazard control strategies.
- Noise Exposure Assessments:
- Area and personal noise monitoring
- Hearing conservation program support
- Exposure evaluation and reporting
- Indoor Air Quality Assessments:
- Indoor air contaminant evaluations
- Ventilation and building system reviews
- Comfort and odor investigations
- Wipe Sampling (Contaminants & Metals):
- Surface contamination assessments
- Exposure pathway evaluations
- Sampling and analytical coordination
- Mold Sampling:
- Moisture and mold investigations
- Sampling and laboratory coordination
- Corrective action and remediation guidance
- Asbestos Inspections & Sampling:
- Building material surveys and sampling
- O&M plan support
- Lead-Based Paint Inspections & Sampling:
- Lead paint surveys and sampling
- Exposure assessments and compliance support
- Abatement and management planning assistance
- Microbial Investigation & Sampling:
- Bacteria and bioaerosol assessments
- Investigation of indoor environmental concerns
- Sampling and data interpretation
- Legionella Evaluations & Sampling:
- Water system risk assessments
- Legionella sampling and testing coordination
- Results interpretation and mitigation recommendations
- Combustible Dust Inspections & Abatement:
- Combustible dust hazard assessments
- NFPA compliance evaluations
- Mitigation and housekeeping recommendations
- Personal Protective Equipment (PPE) & Chemical Risk Assessments:
- PPE hazard evaluations and selection support
- Chemical exposure assessments
- Risk characterization and control recommendations
- OSHA Compliance & Health Program Support:
- OSHA standards applicability reviews
- Written program development and updates
- Regulatory inspection preparation support
Environmental Management Systems (EMSs)
Effective environmental management requires more than reacting to regulatory issues — it requires a proactive, organized system that aligns compliance obligations with day-to-day operations. EWI helps organizations design, implement, and maintain Environmental Management Systems (EMS) tailored to their facilities, regulatory requirements, and business goals.
Through a combination of consulting expertise and technology-enabled tools, our team builds practical EMS frameworks that enhance compliance visibility, mitigate risk, and facilitate continuous improvement. Our approach enables clients to transition from reactive compliance to sustainable environmental management.
- Environmental Management System (EMS) Design & Implementation:
- Facility-specific EMS development
- Integration with existing operations and programs
- Scalable systems aligned with organizational needs
- ISO 14001 EMS Support:
- Gap assessments and readiness evaluations
- EMS documentation and procedure development
- Internal audit and certification support
- Regulatory Compliance Integration:
- Alignment of air, water, waste, EPCRA, OPA, and TSCA requirements
- Permit condition tracking and compliance obligations mapping
- Regulatory calendar development
- EMS Audits & Continuous Improvement:
- EMS performance evaluations
- Corrective and preventive action (CAPA) tracking
- Program effectiveness and improvement planning
- Training & Program Implementation:
- EMS awareness and role-based training
- Procedure rollout and staff engagement
- Ongoing program support
EWI’s web-based compliance management platform, Virtual Task Manager (VTM), supports EMS implementation by centralizing environmental, health, and safety tasks in a single, easy-to-use system. VTM helps organizations track compliance obligations, manage documentation, and maintain accountability across teams.
- Regulatory Compliance Task Tracking:
- Permit requirements and reporting deadlines
- Inspection schedules and corrective actions
- Training & Certification Tracking:
- Certification expiration alerts and documentation
- Employee training record storage
- Maintenance Task Tracking:
- Preventive and corrective maintenance activities
- Equipment and systems upkeep notifications
- Regulatory Safety Task Tracking:
- Safety Inspections and compliance activities
- Program-specific task management
- Waste Management Documentation:
- Waste tracking and compliance records storage
- Integration with RCRA and waste programs
- Waste profiles and Manifest documentation
- Document Management:
- Centralized storage for permits, plans, and reports
- Version control and audit-ready documentation
Training Services
Regulatory compliance, employee safety, and operational excellence depend on engaging, practical environmental, health, and safety (EHS) training programs. EWI’s experienced instructors deliver training tailored to your organization’s regulatory requirements, workforce, and operational needs.
Whether fulfilling annual training obligations, onboarding new employees, or supporting specialized compliance programs, our flexible on-site and online training solutions maximize learning effectiveness and support long-term compliance.
- Custom Training Development:
- Facility and operation-specific training content
- Program customization aligned with regulatory requirements
- Integration with existing EHS programs
- HAZWOPER Training:
- Waste Management Training:
- RCRA General Awareness Training
- Universal Waste Training
- Generator status and waste handling best practices
- Stormwater Compliance Training:
- Annual Stormwater (NPDES) Training
- SWPPP awareness and inspection training
- Construction and industrial stormwater compliance
- BMP inspections and maintenance training
- Stormwater sampling training
- Spill Prevention & Oil Compliance Training:
- Spill Prevention Control & Countermeasure (SPCC) Annual Training
- Spill response procedures and tabletop exercises
- HAZCOM (Hazardous Communication Training):
- Chemical hazard awareness
- SDS management and labeling training
- OSHA hazard communication standard compliance training
- Confined Space Classroom Instruction:
- Permit-required confined space awareness
- Roles and responsibilities training (entrant, attendant, supervisor)
- Hazard recognition and control measures
- OSHA confined space standard overview
- DOT Hazardous Materials (HAZMAT) Training:
- DOT hazmat general awareness training
- Function-specific training for hazardous materials shipping
- Safety and security awareness
- Training documentation and certification support
- Virtual Task Manager (VTM) User Training:
- Platform navigation and task management
- Compliance tracking and document workflows
- User roles and reporting features
Drone and Unmanned Aerial Vehicle (UAV) Services
Aerial surveying, site mapping, and infrared inspections offer powerful tools for environmental and industrial applications. EWI’s FAA-certified drone operators deliver high-resolution photo and video documentation, thermal imaging inspections, and detailed aerial mapping to support environmental assessments, compliance monitoring, and facility management.
- Photo and video surveying and mapping
- Inspections using infrared imagery
Strategic Business Services
EWI’s strategic business services help companies navigate environmental liabilities, manage regulatory risk, and develop sustainable project strategies. Our environmental consultants offer environmental exposure assessments, project development support, risk management planning, and environmental business management solutions to protect your organization’s financial interests and enhance operational performance.
- Environmental Exposure
- Project Development
- Risk Management
- Environmental Business Management
Violation & Enforcement Resolution
Responding to environmental violations and navigating regulatory enforcement actions demands strategic expertise and strong agency relationships. EWI’s experienced consultants work directly with EPA, state environmental agencies, the Department of Justice, and Attorney General offices to develop compliance strategies, negotiate settlements, and resolve enforcement matters efficiently while minimizing penalties and operational disruptions.
- Consultation & Communication Support:
- U.S. Department of Justice (DOJ)
- U.S. Environmental Protection Agency (EPA)
- State Agencies
- Attorney General
- State Environmental Authority
Partner with EWI for Complete Environmental Compliance Solutions
EWI’s comprehensive regulatory compliance services help businesses across numerous industries maintain environmental compliance, reduce liability, and operate more efficiently. From hazardous waste management and air quality permitting to water compliance and TSCA reporting, our experienced team provides the expertise you need to navigate today’s complex environmental regulations.
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