WON C. CHOI

ad31oe@r.postjobfree.com 630-***-**** ***57 Marshfield Ave, Homewood, IL 60430

SUMMARY OF QUALIFICATIONS

Over 30 years of experience in environmental chemical testing for industrial and residential wastewater treatment. Specialized experience in a variety of laboratory testing techniques. Expert in Northern Illinois area wastewater regulations and documentation requirements. Passionate about environmental science and seeks further opportunities ensuring the safety of our community’s water supply.

WORK EXPERIENCE

Liquid Environmental Solutions Chicago, IL

Laboratory Technician, January 2010 – March 2024

Performed sampling from incoming waste water tankers.

Performed wet bench chemistry testing to analyze waste acceptance of samples and loads prior to disposal at facility.

Conducted Inductively Coupled Plasma (ICP) Metal Analysis to identify and monitor the individual elements and metal content within industrial waste water prior to discharge.

Carried out Gas Chromatography (GC) and testing Gas Chromatography/Mass Spectrometry (GC/MS) for analysis of oil samples, utilizing approved EPA methods.

Managed regulatory paperwork in accordance with local, state, and federal regulations for proper recordkeeping. This included manifests, bills of lading, and logbooks.

Developed expertise in understanding chemistry of liquids to become a subject matter expert for the plant.

Industrial Water Services Chicago, IL

Laboratory Technician, 2004 – 2009

Performed waste water treatments by conducting chemical treatment to industrial waste water.

Conducted metal analysis using ICP in order to monitor metal content within industrial waste.

Carried out GC testing for PCB analysis of oil samples, utilizing EPA Method 8082.

Suburban Laboratories Hillside, IL

Laboratory Technician, 1988 – 2002

Conducted analysis of waste water samples, sludges, and drinking water by utilizing wet bench chemistry testing method, including extraction, titration, and colorimetric methods.

Performed ICP Metal Analysis on waste water samples.

EDUCATION

DePaul University

Master of Science, Chemistry, June 1995

Northeastern Illinois University

Bachelor of Science, Chemistry, April 1987

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