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Ahnu Rajan, MPH

Ahnu Rajan, MPH
Consultant

Ahnu Rajan, MPH

Consultant

Ms. Ahnu Rajan is a detail-oriented environmental scientist with experience in data validation, human and ecological risk assessment, expert testimony research support, air monitoring, and health and safety planning. She is skilled in analyzing and validating complex environmental data—spanning soil, water, and air samples—to ensure quality and regulatory compliance. Ms. Rajan has proven expertise in preparing risk assessments for contaminated sites, including industrial facilities, landfills, and brownfields, with a focus on toxicological impacts from substances such as PCBs, mercury, and hexavalent chromium.

Data Quality Assurance

Data Validation, New Jersey Assess environmental data to ensure accuracy, reliability, and suitability for its intended use, including soil, water, and air samples. Provide QA/QC of laboratory reports and summarize laboratory data and case narratives for client reports and internal reviews.

Ecological Risk Assessment

Risk Assessment, New Jersey Researched and prepared reviews of environmental impact and risks—both human and ecological—associated with chemical spills for litigation cases. Developed site-specific risk assessments for industrial sites and landfills (vapor intrusion, air, soil, groundwater, and surface water risk evaluations).
Risk Assessment, New Jersey Researched and prepared risk assessment for potential health effects and health risks associated with mercury exposure in school gymnasiums. Researched and prepared risk assessment to determine potential health effects due to PCB contamination at industrial sites.
Baseline Ecological Evaluations, New Jersey Prepared baseline ecological evaluations of environmental sites. Performed groundwater and surface water risk assessment to determine whether there was ammonia contamination to groundwater from a landfill. Calculated potential exposure levels in sea life to determine possible risk.
Baseline Ecological Evaluations, New Jersey Evaluated and prepared an ecological risk assessment at a brownfield redevelopment site.

Litigation Support

Expert Testimony Support, New Jersey Performed toxicological evaluations, research, and investigation for expert testimony reports.

Air Quality Monitoring

Air Monitoring and Modeling, New Jersey Performed review and analysis of ambient air monitoring data for potential offsite health impacts. Developed air modeling calculations. Performed laboratory data validation for soil and air data, and provided monthly reports to clients.
Air Monitoring and Modeling, New Jersey Developed a perimeter air monitoring plan for an industrial site with hexavalent chromium contamination.

Health And Safety

Health and Safety Plan, New Jersey Developed a common health and safety plan for all site personnel for the invasive activities at a landfill site.

Data Management

Data Analysis, New Jersey Carried out a groundwater analysis study for an industrial site in Northern New Jersey. Researched the development of the database and led a team to implement the groundwater analysis database. Performed data validation and review of laboratory analysis data.
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