Environmental Monitoring and Compliance

Environmental Monitoring and Compliance

EA's professional staff of environmental scientists, hydrogeologists, civil and chemical engineers provide environmental consulting for public and private ventures, including Phase I and Phase II Environmental Site Assessments, property procurements, construction and site inspections, permitting, operations, and site-remediation projects. These projects have included everything from small industrial sites, to 10,000 acre ranches slated for reservoir development.  Our team of professionals have developed expertise during their substantial experience, with many of our team members having individual experience of over 30 years or more at project sites regulated under federal (RCRA, CERCLA) and state programs.

 

KEY SERVICES

  • Permitting and Compliance: Navigate regulatory requirements seamlessly with our expert permitting and compliance services tailored to your industry needs.
  • Vapor Assessment and Mitigation: Mitigate vapor intrusion risks effectively with our comprehensive assessment and mitigation strategies.
  • SPCC and SWPPP Plans: Ensure environmental protection and compliance with robust SPCC (Spill Prevention, Control, and Countermeasure) and SWPPP (Stormwater Pollution Prevention Plan) plans.
  • Remedial Investigation and Site Characterization: Identify and characterize site contaminants accurately through thorough remedial investigation and site characterization.
  • Groundwater Remediation: Implement efficient and sustainable groundwater remediation solutions to restore environmental integrity.
  • Feasibility Studies: Assess project viability and identify optimal solutions with our detailed feasibility studies.
  • Stormwater Management: Minimize environmental impact and ensure compliance with effective stormwater management strategies.
  • Health and Safety: Prioritize workplace safety and regulatory compliance with our comprehensive health and safety services and protocols.

Project Examples

Environmental Monitoring Frequently Asked Questions

We handle environmental monitoring and compliance across public and private sector projects, from small commercial parcels to multi-thousand-acre developments. Our work typically includes Phase I and Phase II Environmental Site Assessments, permitting under programs like NPDES and air quality regulations, construction monitoring for erosion control and stormwater management, remedial investigations following ASTM E1903 guidelines, and ongoing compliance under RCRA, CERCLA, and state voluntary cleanup programs. We also manage long-term groundwater monitoring networks and coordinate closure activities with regulatory agencies when remediation reaches performance standards.
We don't use cookie-cutter approaches. Each site gets evaluated based on its specific geology, hydrogeology, contaminant distribution, and applicable regulatory framework. For example, a vapor intrusion pathway assessment in sandy soils with shallow groundwater requires different sampling protocols than the same assessment in low-permeability clay. We map out permitting pathways early, whether that means a streamlined categorical exclusion or a full environmental impact statement, then build our monitoring programs around actual site risks rather than generic checklists. This keeps projects moving while maintaining defensible data that holds up during agency reviews.
Our process starts with understanding what drives the compliance requirement. Is this a property transaction needing ASTM E1527 documentation? A discharge permit requiring quarterly monitoring? A corrective action order with specific cleanup goals? Once we identify the regulatory driver, we conduct initial site reconnaissance and evaluate existing records—previous investigations, historical aerial photographs, regulatory databases, that kind of thing. Field work follows, which might include soil borings, monitoring well installation, groundwater sampling, soil vapor surveys, or geophysical surveys depending on what we're characterizing. Laboratory analysis goes to certified labs with appropriate detection limits for the compounds of concern. We analyze the data against applicable screening levels—whether that's residential soil standards, MCLs for groundwater, or risk-based concentrations. Technical reports are prepared with site conceptual models, statistical trend analysis when we have temporal data sets, and recommendations that account for both regulatory requirements and practical implementation constraints. Compliance documentation continues as long as monitoring obligations remain active.

For projects under corrective action, long-term monitoring, or reclamation permits, our process also includes evaluation of regulatory drivers for closure; preparation of side-by-side requirement versus compliance status summaries; development and refinement of Conceptual Site Models that support closure strategy; preparation of Closure Plans, Corrective Action Plans, groundwater monitoring work plans, and technical response letters; regulatory meeting support and Q&A session preparation; and direct coordination with state and federal agencies during technical review.
Absolutely. Phase I ESAs follow ASTM E1527-21 standards and include records review, site reconnaissance, interviews, and evaluation of recognized environmental conditions. When a Phase I identifies potential concerns—maybe underground storage tanks, historical dry cleaning operations, or evidence of fill material—we move into Phase II work. That means installing soil borings and monitoring wells, collecting samples for analysis of volatile organic compounds, semi-volatile organic compounds, metals, petroleum hydrocarbons, or other site-specific analytes. We compare results against applicable screening criteria and provide risk characterization to support transaction decisions or determine if additional investigation is warranted.
SPCC plans are prepared in accordance with 40 CFR 112 for facilities with oil storage capacity above regulatory thresholds. We evaluate secondary containment adequacy, develop facility response procedures, establish inspection protocols, and ensure professional engineer certification when required. Plans address tank integrity testing, loading rack operations, pipeline segments, and emergency response equipment. SWPPP development follows state-specific general permits for construction activity or industrial facilities. We identify potential pollutant sources, design structural and non-structural best management practices, establish monitoring parameters and frequencies, and create inspection schedules that align with permit conditions. Implementation support includes pre-construction meetings, routine site inspections during active work, sampling coordination, and documentation that satisfies Notice of Intent and Notice of Termination requirements.
We conduct vapor intrusion assessments following EPA's 2015 OSWER Technical Guide and state-specific guidance documents. Assessment typically involves installing sub-slab soil vapor probes and indoor air sampling points, collecting samples under appropriate building conditions, and comparing results to screening levels for commercial or residential exposure scenarios. When indoor air concentrations exceed action levels, we evaluate preferential pathways, assess building ventilation characteristics, and work through mitigation options. Mitigation might involve sub-slab depressurization systems, vapor barriers during new construction, or institutional controls depending on exposure risks and building use.
Remedial investigations define contaminant distribution in three dimensions. We install monitoring well networks that capture upgradient, downgradient, and cross-gradient conditions relative to contaminant source areas. Soil sampling follows systematic grids or targeted approaches based on conceptual site models. Laboratory analysis covers full analyte lists initially, then focuses on primary contaminants of concern in subsequent rounds. We evaluate contaminant mobility using partition coefficients, assess biodegradation potential through geochemical parameters, and model groundwater flow using potentiometric surface maps and hydraulic conductivity data. Reports document findings with cross-sections, isoconcentration maps, and mass estimates that support remedy selection and regulatory negotiations.
In addition to technical characterization, Engineering Analytics integrates regulatory closure objectives into early site investigation phases. This includes evaluating whether contaminant trends support monitored natural attenuation; identifying data gaps that could delay closure approval; preparing graphical trend analyses for temporal datasets; structuring documentation packages specifically for regulatory review; and supporting development of closure cost estimates and financial assurance documentation where required. Our goal is not only to define contaminant distribution, but to position projects for timely and successful regulatory closure.
Remediation approaches depend on contaminant characteristics, aquifer properties, and cleanup objectives. We evaluate options like in-situ bioremediation for petroleum hydrocarbons, chemical oxidation for chlorinated solvents, pump-and-treat systems where hydraulic control is necessary or monitored natural attenuation where geochemical conditions support degradation.
Design considerations include substrate distribution for enhanced bioremediation, oxidant selection and delivery methods, treatment system sizing based on aquifer testing results, and monitoring networks that track performance against cleanup goals. Implementation oversight ensures injection pressures, flow rates, and constituent concentrations match design parameters. In addition to remedy evaluation and implementation, we analyze long-term groundwater monitoring datasets, graphical trend analysis to determine when sites qualify for reduced monitoring frequency, parameter elimination, well redundancy evaluation, strategic well abandonment, or transition toward regulatory closure. Where appropriate, we prepare formal closure petitions, alternative concentration limit proposals, and technical justification reports to support agency approval.
Long-term performance monitoring continues until groundwater concentrations reach maximum contaminant levels or alternate concentration limits approved by regulatory agencies.
Yes, we provide construction monitoring for erosion control effectiveness, stormwater BMP maintenance, dust suppression, and permit condition adherence. Weekly or bi-weekly inspections document site conditions, identify deficiencies, and verify corrective actions. We coordinate with contractors on material handling procedures, manage unexpected discoveries of impacted soil or groundwater, and maintain documentation for regulatory compliance. This keeps projects on schedule while satisfying environmental permit obligations.
Our client base spans mining operations requiring water quality monitoring and reclamation compliance, industrial and aerospace facilities managing RCRA permits and soil contamination, infrastructure developers navigating wetland permits and stormwater controls, water resource projects dealing with NPDES requirements, and power generation facilities handling coal ash management and air quality monitoring.
Each sector brings different regulatory drivers, technical challenges, and performance standards that shape how we structure monitoring programs and compliance documentation.
Engineering Analytics manages long-term groundwater and surface water monitoring programs under corrective action orders, voluntary cleanup programs, reclamation permits, discharge permits, and post-remedy compliance requirements. Our approach includes establishing and optimizing monitoring networks; reviewing laboratory QA/QC for data defensibility; evaluating trend stability to support monitored natural attenuation demonstrations; preparing quarterly and annual monitoring reports; coordinating analytical scopes and laboratory contracts; tracking regulatory milestones; and providing regulatory correspondence, technical memoranda, and meeting support. Monitoring programs are periodically reviewed for efficiency and defensibility to avoid unnecessary monitoring costs while maintaining compliance and progressing toward closure.
Engineering Analytics manages multi-year compliance and corrective action projects that require direct coordination with state and federal regulatory agencies. We prepare and negotiate Closure Plans, Corrective Action Plans, groundwater monitoring work plans, and technical response letters to agencies. Our work includes the development of Conceptual Site Models that support closure strategies, preparation of closure cost estimates and financial assurance documentation, regulatory meeting support and Q&A preparation, statistical trend analysis to support monitored natural attenuation demonstrations, side-by-side requirement versus compliance status evaluations, and preparation of formal closure petitions. Our focus is on building defensible documentation that aligns with regulatory frameworks while advancing projects toward achievable closure endpoints.

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