MJ Reider

MJ Reider is a full-service environmental testing laboratory based near Philadelphia, USA. Accredited to NELAP standards and operating in accordance with ISO/IEC 17025, we provide high-quality analytical services for drinking water, groundwater, wastewater, soil, and solid materials. Our expertise covers inorganic and organic compounds, microbiology, field servicing, and specialised testing such as PFAS analysis. Serving municipalities, commercial laboratories, private water operators, industry, and landfills, MJ Reider delivers accurate, defensible data supported by expert sampling and courier services. With a strong commitment to reliability and regulatory compliance, we help clients safeguard public health and the environment.