Skip to content
MER's building and gate on Major Dizon St., Marikina City

About MER

Protecting Water and Wastewater Systems Since 1979

Who we are

MER began in September 1979, when Engr. Ma. Emma C. Ricafrente opened a laboratory to test what builds up in water systems.

Customers needed to prevent it, so MER began making its own treatment chemicals and giving technical service on site. Today we serve food and beverage plants, manufacturers, hospitals, hotels, universities and buildings.

An analyst weighing a sample on the balance in MER's laboratory
In water since
1979
DOH-accredited laboratory since
1993
Incorporated
1994
Owned and run
Wholly Filipino
Plant and laboratory
Marikina City

Vision, Mission, Objectives

Vision

MER envisions to always be a competent, reliable, recognized and accredited analytical service laboratory serving and satisfying customers from the Philippine industry.

Mission

MER Chemical Laboratory and Services, Inc. is committed to provide quality chemical products, reliable technical services including industrial equipment chemical cleaning services and accurate analytical laboratory services to effectively satisfy the needs of our customers in the field of industrial water treatment including potable water and wastewater technology.

From MER's Quality Policy

Our objectives

  1. 1

    Customer Satisfaction

    By supplying high quality products and services to meet expectations and requirements of customers.

  2. 2

    Responsibility, Reliability, Integrity and Truthfulness

    By manifesting these values in relating with customers and suppliers.

  3. 3

    Respecting the Integrity, Safety and Dignity of Each Person

    By manifesting these values to every personnel, supplier and customer.

  4. 4

    Continuous Development and Improvement

    By aligning activities with core values, quality policy and vision.

  5. 5

    Innovative Products

    By developing new products that anticipate and meet customers' needs.

Our story

47 years in water

  1. 1979

    Founded as a laboratory

    Engr. Ma. Emma C. Ricafrente starts MER to test what builds up in water systems.

    Engr. Ma. Emma C. Ricafrente at her desk at MER
  2. AQUACARE

    Customers asked for the cure

    So MER began making it: AQUACARE water treatment chemicals.

    A drum of AQUACARE Micro
  3. 1993

    Laboratory accredited by the DOH

    For drinking water analysis.

    A microbiology analyst working on culture media in MER's laboratory
  4. 1994

    Incorporated

    Registered with the Securities and Exchange Commission.

    Securities and Exchange Commission MER Chemical Laboratory and Services, Inc.
  5. 2018

    Recognized by the DENR

    As an environmental laboratory for testing wastewater. Renewal in progress.

    Department of Environment and Natural Resources C.R. No. 026/2018
  6. 2026

    DOH accreditation renewed

    Valid until 31 December 2028.

    Department of Health Accreditation No. 13-0014-2628-LW-2
A portrait of Engr. Ma. Emma C. Ricafrente

Message from the Founder

Welcome to Mer Chemical Laboratory.

What began nearly five decades ago as a humble water testing laboratory has grown into a trusted provider of practical chemical products and specialized services.

Surviving and thriving for 48 years takes more than just quality products and technical reliability—it requires genuine trust. We are deeply grateful to our clients who have relied on us for nearly half a century.

As we look ahead, our mission remains clear: to innovate continuously, to serve with unwavering integrity, and to foster the welfare of our dedicated team—the heart of everything we do.

Thank you for your continued partnership and trust.

Engr. Ma. Emma C. Ricafrente

Founder, President and General Manager BSChE, MS ChE

Our people

MER's staff together in front of the MER office in Marikina City

MER Chemical

  • Laboratory
  • Quality Control Laboratory
  • Sales and Technical Service
  • Production and Maintenance
  • Administrative and Secretariat

Accreditation

  • DOH-accredited laboratory for drinking water analysis

    Valid until 31 December 2028

    View PDF
  • PRC Board of Chemistry

    Authority to operate until 27 August 2027

    View PDF
  • DOH proficiency test 2024

    Rated Excellent (water microbiology)

    View PDF
Phone and mobile
(02) 8681-8459 ยท 0922-899-0248
Office, laboratory and plant
64 Major Dizon St., Industrial Valley Complex,
Marikina City, 1802 Metro Manila
Hours
Monday to Friday, 8:00am to 5:00pm