Right choices today for a better tomorrow.
IEMES, PSC provides environmental engineering and consulting services from its base in San Juan, Puerto Rico. Established in March 2015 as part of the CHESIEMES Group alongside CHES Services Corp., the practice delivers specialized environmental solutions across Puerto Rico and the Caribbean. Services encompass air quality compliance, stormwater and wastewater design, soil remediation, industrial hygiene assessments, and environmental training programs. Its engineers design and supervise the construction of wastewater treatment plants, air emission controls, and HVAC systems, while also conducting Phase I, II, and III Environmental Site Assessments.
Certified Sustainability Practitioner (CSP) · SWANA Certified Professional in Landfill Operations · SWANA Certified Professional in Municipal Solid Waste (MSW) Recycling Systems · SWANA Certified Professional in MSW Collection Systems · SWANA Certified Professional in Integrated Waste Management · Accredited Asbestos and Lead Inspector · Certified Sustainability (CSR-P) Practitioner · ISO 31000 Risk Management
Fernando L. RodriguezPresident and Principal Engineer
Hanna K. RodriguezCEO and Environmental Engineer
Carmen M. Figueroa SantiagoChemical Engineer and Environmental Specialist
Aurimar Rodriguez MoralesAccountant and Administrator
Air quality compliance consulting covering inspections, permit applications, emissions inventory, monitoring assessments, and risk management.
On-site inspections and compliance audits for air quality regulations.
Air quality monitoring for active construction and industrial projects.
Preparation of construction and operation permit applications, including Federal Title V permit compliance reports.
Compilation and reporting of facility air emissions inventories.
Ambient and intake air monitoring to assess pollutant levels.
Environmental and health risk management assessments for air quality compliance.
Regulatory compliance support for industrial stormwater and wastewater systems, including permit applications, treatability studies, and treatment plant design.
Preparation of industrial stormwater and wastewater questionnaires for regulatory compliance.
Pilot-scale and bench-scale studies to establish treatment parameters for industrial waste streams.
Engineering design of wastewater treatment and pre-treatment systems.
Preparation and support for National Pollutant Discharge Elimination System permit applications.
Stormwater pollution prevention plans and compliance consulting, including General Construction Permits (CGP) and Multi-Sector General Permits (MSGP).
Contaminated site consulting covering UST and UIC compliance, remediation planning, closure and removal plans, and project management.
Compliance services for underground storage tank systems.
Compliance support for underground injection control systems.
Site-specific remediation planning and consulting for contaminated soil.
Preparation of closure plans and removal plans for contaminated sites and tank systems.
Management of environmental remediation projects from planning through completion.
Phase I, II, and III Environmental Site Assessments for commercial and industrial facilities.
Records review, site reconnaissance, and interviews to identify recognized environmental conditions.
Soil and groundwater sampling to characterize contamination identified in Phase I.
Remediation planning and oversight for confirmed contaminated sites.
Industrial hygiene assessments, asbestos and lead-based paint management, and occupational health compliance.
Workplace assessments to identify and control occupational health and safety hazards.
Accredited inspection, sampling, and management planning for asbestos-containing materials and lead-based paint.
Compliance consulting for OSHA, PROSHA, and local occupational health regulations.
Technical design, static pressure analysis, and troubleshooting of local exhaust ventilation systems.
Accredited environmental training in hazardous materials management and environmental management systems.
Accredited training courses for asbestos and lead-based paint inspection, management, and abatement.
Training in hazardous waste identification, handling, and regulatory compliance.
EMSA training aligned with ISO requirements for companies engaged in international trading and operations.
Comprehensive permitting and licensing advisory services under the Puerto Rico Joint Regulation, supporting businesses with consolidated operating permits and agency certifications.
Comprehensive assistance with consolidated operating permit applications and renewals via the Single Business Portal (SBP).
Support in securing and maintaining Fire Prevention Certifications from the Puerto Rico Fire Bureau.
Environmental health compliance and sanitary licensing support, including required water sampling and bacteriological testing.
Environmental & Remediation · Industrial · Waste Management · Government · Wastewater · Stormwater & Flood Control
Puerto Rico · Waste Management · 2025 · Client: Puerto Rico Department of Natural and Environmental Resources (DNER)
Collaborated on the comprehensive waste characterization study across Puerto Rico to analyze environmental and operational waste streams, supporting data-driven infrastructure plans.
Puerto Rico · Waste Management · 2025 · Client: Puerto Rico Department of Natural and Environmental Resources (DNER)
Participated in data-driven planning and advisory services alongside public and private stakeholders to draft the island's Integrated Solid Waste Management Plan, aimed at reducing landfill dependency and bolstering recycling systems.
Puerto Rico · Government · 2025 · Client: University of Puerto Rico's Faculty of Education
Led specialized workshop sessions for Caribbean educators focusing on innovative technologies, artificial intelligence, and spatial modeling tools to integrate climate resilience concepts into K-12 classrooms.