Business Details
33 Years
experience
Environmental Engineering Services in St. Louis
Founded in 1993, NPN Environmental Engineers has dedicated three decades to delivering practical and economical environmental solutions. Our team of professional engineers, scientists, and technicians combines technical expertise with regulatory knowledge to address complex environmental challenges. We specialize in air quality management, environmental site assessments, facility decommissioning, and remediation services, prioritizing quality assurance and liability protection. With experience across industrial, commercial, and mining sectors, we develop customized strategies to meet client objectives while ensuring compliance with federal and state regulations. Our integrated consulting and contracting services, supported by extensive accreditations, position us as a trusted partner for long-term environmental stewardship.Over 25 years of hands-on experience informs our cost-effective approaches to decontamination, waste stream management, and water quality compliance. We maintain a client-focused philosophy, tailoring solutions to align with specific project requirements and sustainability goals. Our commitment to excellence is demonstrated through 500+ Phase I ESAs completed for diverse clients nationwide. As industry leaders, we continuously refine our methodologies to incorporate innovative technologies and best practices in environmental engineering.
Services
Environmental Site Assessments
Remediation Services
Air Quality Management
Regulatory Compliance
Facility Decommissioning
Indoor Air Quality
Mining Services
Water Quality Management
Asbestos & Lead Management
Tank & Container Services
Details
- Year established: 1993
Highlights and features
- We provide turnkey integrated environmental engineering services.
- Our team collectively holds extensive accreditations in multiple states.
- We focus on long-term client partnerships for sustainable solutions.
- With 30 years of experience, we deliver proven environmental expertise.
- Our engineers develop cost-effective strategies minimizing environmental risks.
Services
Environmental Site Assessments
We conduct Phase I ESAs following ASTM standards with professional engineers and certified assessors. Our evaluations identify environmental liabilities while ensuring regulatory compliance. Clients receive detailed reports to support informed property transactions and risk management decisions.
Remediation Services
Our team develops corrective action plans addressing soil and groundwater contamination. We prioritize cost-effective solutions meeting regulatory requirements while minimizing business disruption. Services include work plan development, regulatory coordination, and implementation of remediation technologies.
Air Quality Management
We provide comprehensive air quality solutions for industrial facilities, including permitting, compliance audits, and emission control strategies. Our engineers help clients meet Clean Air Act requirements while optimizing operational efficiency across multiple sectors.
Facility Decommissioning
We manage complete facility decommissioning projects from planning to execution. Our services include decontamination, waste management, and regulatory documentation. We develop customized strategies to ensure safe, compliant, and cost-effective facility shutdowns.
Regulatory Compliance
Our experts navigate complex environmental regulations for clients across industries. We secure required permits, develop compliance programs, and provide ongoing regulatory support to maintain adherence with EPA, OSHA, and state requirements.
Questions
What environmental services does NPN specialize in?
We specialize in air quality management, environmental site assessments, facility decommissioning, remediation services, and regulatory compliance for industrial, commercial, and mining sectors.
Do you operate outside the St. Louis area?
Yes, we provide environmental services across 40+ U.S. states with state-specific accreditations in multiple jurisdictions.
What makes NPN different from other environmental firms?
Our unique combination of consulting and contracting services, led by professional engineers with 30+ years of experience, ensures comprehensive environmental solutions.
How do you handle facility decommissioning projects?
We develop safe work plans, manage decontamination processes, and ensure regulatory compliance throughout all phases of facility decommissioning.
Are your professionals certified in environmental standards?
Our team maintains extensive state accreditations and certifications for asbestos, lead management, and regulatory compliance procedures.
