MJ Reider

M.J. Reider is a full-service environmental testing laboratory specializing in the analysis of drinking water, groundwater, wastewater, soil, and solids.

About Us

M.J. Reider Associates, Inc. is an environmental testing laboratory accredited by the Pennsylvania Department of Environmental Protection (PADEP) in accordance with the standards of the National Environmental Laboratory Accreditation Conference (NELAC) for drinking water (DW), non-potable water (NPW), and solid and chemical materials (SCM). MJRA has been a proud member of The NELAC Institute (TNI) since its inception.

In addition to our analytical services, expert sampling and courier services are also available to municipalities, industries, and private homeowners.

M.J. Reider Associates, Inc. is dedicated to providing the highest quality analytical data to its clients.

Contact us

107 Angelica Street Reading,
PA 19611-1999
+1 610 374 5129
info@normecgroup.com

Accreditations and Recognitions

Accurate, defensible, reliable data starts here. An environmental testing laboratory you can trust. We are accredited under the National Environmental Laboratory Accreditation Program (NELAP), which is based on the ISO/IEC 17025:2005 standards. This means we undergo rigorous audits and routinely perform proficiency testing across all matrices to ensure our analyses meet the highest quality standards. We are accredited for drinking water, non-potable water, and solids and chemicals in Pennsylvania.

News

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26569129 - close up shot of the insides of a hplc module in a real life laboratory

09 Jun 2026

Committed to Technology

The laboratory industry has been experiencing rapidly changing technology since the 1980s, helping to increase accuracy, precision and throughput while attempting to decrease costs. MJRA has never wavered in its commitment to investing in the latest technology and stays committed to upgrading the laboratory instruments when needed. Paperless reporting and paperless raw data management are amongst the newest innovations that MJRA is utilizing to better serve its clients.

4 scientists in lab coats laughing in a laboratory

We are part of the Normec Group.

Normec is a leading organization in the TICC (Testing, Inspection, Certification, Compliance) industry. Our scope of work ranges from (drinking) water quality, air quality, and soil quality to fire safety, food safety, management systems, fair labor practices, good working conditions, and social compliance. Every day, we work to create a safe, healthy, and reliable work and living environment—for current and future generations.

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