MISSION: Our mission is to provide laboratory services to the customers in a timely manner, employing the highest degree of professionalism, with emphasis on quality and low cost, while keeping the employees and environment safe.

VISION: CRL Environmental Corporation is to distinguish itself as a premier environmental laboratory in Asia.

CRL Highlights

CRL's management is committed to providing excellent data quality
  • Defensible data
  • Internal QA audits
  • External Performance Evaluation Sample Participation
  • External Performance Evaluation Sample Participation

Redundancy in equipment

  • No Downtime
  • "Just in Time" Analyses
  • High volume capacity will help client bid for big projects
  • State of the art equipment
  • Technical Support from Advanced Technology Laboratories in USA
  • Multiple locations in Asia and the USA sell diamond

CRL is a full service laboratory

  • Hazardous Waste Characterization
  • Soil, Water, Air Air Toxics Analyses
  • TO14, EPA Method 25, Landfill Air Drinking Water Analyses including Information Collection Rule (ICR) Wastewater/Groundwater Analyses Monitoring Wells/NPDES compliance
  • Biological & Microbiological Testing Fish Toxicity/Bioassay/Bacteria Mobile
  • Laboratory Luft Methods/Special Projects Special
  • Projects/Bench Scale Treatment Studies Courier/Sampling Services In-house/Commercial/Wastewater
  • sampling

CRL is a service oriented company

  • Technical Project Manager assigned to a particular client
  • Sample Pick-up anywhere in the Philippines and Asia
  • Excellent turnaround time of 5 to 7 working days
  • 10 Work days or less turnaround time for standard air monitoring tests
  • Report Formatting tailored to specific project requirements
  • Technical Resources library and/or analytical consulting
  • Quality Service unmatched in the industry Availability of support personnel
  • 24/7 Customer Service

CRL maintains versatility in meeting client needs and is able to perform and develop specialized testing in compliance with routine and non-routine investigations. Organic and inorganic evaluation of water, air, gas, soil, biological tissue, and oil matrices are provided. EPA and Department of Health Services methods are used to perform all analyses and strict quality assurance programs validate results. Our commitment to quality and client responsiveness is our trademark and source of our continuing efforts for service improvement and expansion. CRL achieves its commitment through our employees that are highly competent and motivated working as a team in a safe environment.

CRL Key Personnel

Elizabeth P. Romualdo

CRL Environmental Corporation
CRL Calabarquez Corporation
CRL Analytics Corporation
ASSET Laboratories
President & CEO

Engr. Elizabeth P. Romualdo graduated from the University of Santo Tomas with a degree in chemical engineering and became a licensed chemical engineer shortly thereafter. In the United States, she took up Programming Technology which proved vital in her professional growth.

Early in her career, she rose from the ranks as an information analyst to become the President and General Manager of Dataprep Phils., the exclusive distributor for Data General USA, a leading mini-computer manufacturer at the time.

She had also been a major part of STI College, one of the Philippines’ pioneering computer schools, where she managed various STI campuses and training centers in La Union, Laoag, Baguio and Alabang as the President and CEO. She was also one of the members of the board of directors of the flagship campus STI College – Cubao.

Her wealth of experience as a manager and an entrepreneur backed by her education as an engineer led her to set up CRL ENVIRONMENTAL CORPORATION in 1998, the first mobile environmental lab in the country. The laboratory has since grown from a humble 8 square meter office space to a 1,080 square meter stationary lab facility in Clark Freeport Zone, Pampanga. Two more companies have been founded to complement the needs of the laboratory and the growing demand of the industry: the CRL Calabarquez Corporation in 2004 to cater to air monitoring requirements, and the CRL Analytics Corporation in 2005 as its marketing and sales arm.

Additionally, she co-founded ASSET (Analytical Support Services for Environmental Testing) in 2014. A first-of-its-kind “BPO laboratory” specializing in instrument-based analyses, data validation, and organics tests sourced from its laboratory in Las Vegas, Nevada, U.S.A. It also caters to organics testing needs in the Philippines.

She is, presently and concurrently the President and Chief Executive officer of the CRL group of companies and ASSET Philippines.

Maria Carmela Q. Capule, Ph.D.

CRL Environmental Corporation
Chief Operating Officer
ASSET Laboratories
Compliance Director and Assistant to the President

Ms. Capule has a B.S. Chemistry degree from the Polytechnic University of the Philippines in Manila and graduated Cum Laude. She has a post graduate Master of Professional Studies in Science Education at Pampanga Agricultural State University. She obtained her PhD in Environmental Science at the University of the Philippines, Diliman, Quezon City.

She worked at EMB-DENR Region 3 as head of the laboratory. She had been part of Laboratory Inspection Assessment Team (LIAT) for Recognition of 3rd party laboratories.

She is currently with CRL Environmental Corporation as Chief Operating Officer since 2001. She is also the Compliance Director and Assistant to the President at ASSET Laboratories.

She is the present Auditor of the Integrated Chemists of the Philippines, Region 3 Chapter; President of Industrial Hygienists Association of the Philippines Inc. (2018 to present); Former President and currently the Board Adviser of EPA, Region 3. She is also the Phil. Representative for Asian Network of Occupational Hygiene (ANOH); Treasurer of Air and Waste Management – Philippine Section (AWMA-PS); Accredited, OSH Consultant.

She is currently a Technical Assessor of the Philippine Accreditation Bureau (PAB) of DTI for ISO/IEC 17025. She does part time work on laboratory consultations – local and abroad, environmental assessment, trainings.

She is an accredited trainor by EMB-DENR on Basic PCO training course; Advance PCO training course on Chemical Management, Climate Change and EIA.


CRL Environmental Corporation
Chief Business Development Officer (CBDO)
CRL Calabarquez Corporation
CRL Analytics Corporation
Analytical Support Services for Environmental Technologies, Inc.
Chief Operating Officer

He concurrently handles operations, business development, sales and marketing for the CRL and ASSET group of companies. He has 26 years of combined experience as a chemist, project manager, and salesman. He has been essential to the growth and success of the group of companies. He graduated with a degree in Chemistry from Centro Escolar University (CEU).


CRL Environmental Corporation
CRL Analytics Corporation
Chief Marketing Officer

With 22 years of experience as a sales and marketing professional, Timothy, has been a key contributor to the growth of the CRL organization. He joined the company as an account executive and rose through the ranks; now the CMO for the CRL group of companies. He has a degree in Computer Science from Systems Technology Institute in Makati.


CRL Environmental Corporation
Laboratory Director

Juliana has 18 years of combined experience in laboratory operations, environmental compliance, project management, and quality control. A licensed chemist, she graduated Cum Laude from the Central Luzon State University (CLSU). She is one of the pillars of the laboratory.


CRL Environmental Corporation
Chief Financial Officer

As the chief financial officer for the group of companies, he is the focal person for financial strategies, needs, and funding requirements. He has been an integral part of CRL’s growth through the years. He has 27 years of accumulated experience in accounting. He graduated with a bachelor’s degree in Commerce, major in Accounting from the Regina Carmel College in Bulacan.


CRL Environmental Corporation
QA/QC Manager

One of the pioneers of the CRL laboratory group, Chas Arroyo has more than 33 years of experience as a practicing chemist, manager, and QA/QC officer. He ranked “Top 20” in the 1986 Chemist Licensure Examination of the Philippines’ Professional Regulation Commission (PRC). He has accumulated 21 years of experience in the QA/QC field. A recognized authority in his field, he is also an external auditor for the DTI’s Philippine Accreditation Bureau (PAO-DTI).