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Jean BalaresiaJB
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Jean Balaresia

@jeanbalaresia

Registered Chemist at ACCIONA AGUA SA PHILIPPINES BRANCH, supporting water treatment through validated, quality-checked laboratory analysis.

Philippines
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At ACCIONA AGUA SA PHILIPPINES BRANCH, I performed physicochemical and microbiological analyses of water for the Manila Water WTP in Pakil Laguna. I also conducted routine testing and jar testing to support water treatment operations.

At Maynilad WTP, I served as Laboratory Chemist and Assistant Supervisor-OIC, overseeing daily laboratory operations and reviewing analytical results. I supervised jar testing and process investigations, and maintained SOP and QA/QC documentation.

As a Laboratory Chemist (Consultant) at INTERTEK TESTING SERVICES, I analyzed water, wastewater, and environmental samples under Standard Methods and ISO/IEC 17025 requirements. I also performed method validation and verification, QA/QC activities, and proficiency testing.

My work has included operating and maintaining instruments such as GC-MS, UV-Vis spectrophotometers, and TOC analyzers. I’m a Registered Chemist and Registered Chemical Technician, and I’ve also taught undergraduate chemistry at Visayas State University.

Experience

Work history, roles, and key accomplishments

AB

Laboratory Chemist

Acciona Agua SA Philippines Branch

Feb 2026 - Aug 2026 (6 months)

Performed physicochemical and microbiological analyses of water samples in compliance with PNSDW and internal quality procedures. Operated and maintained laboratory instruments, conducted method validation and QA/QC, and prepared technical reports.

AB

Laboratory Chemist | Assistant Supervisor- OIC

Acciona Agua SA Philippines Branch

Jan 2024 - Feb 2026 (2 years 1 month)

Led daily laboratory operations, supervised analysts, and ensured timely completion of water quality testing and reporting. Reviewed analytical results, oversaw instrument calibration and method validation, and managed documentation in compliance with ISO-based practices.

VU

AACUP Evaluation Assistant (JO)

Visayas State University

Feb 2022 - May 2022 (3 months)

Prepared, organized, and reviewed accreditation documents for MSTREC and BSEM programs for the AACUP evaluation process. Assisted in administrative and logistical activities during accreditation and quality assurance evaluations.

Education

Degrees, certifications, and relevant coursework

Visayas State University logoVU

Visayas State University

Bachelor of Science, Chemistry

Bachelor of Science in Chemistry from Visayas State University, completed in 2020.

Tech stack

Software and tools used professionally

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