Evelyn Chai

• Manage end-to-end procurement processes, including requisition review, sourcing, vendor selection and follow-up.
• Coordinate with suppliers to ensure timely delivery of materials and resolve delivery discrepancies.
• Liaise with internal departments to consolidate procurement needs and forecast material requirements.
• Handle inbound logistics, including tracking shipments, customs clearance, and goods receiving processes.
• Use IBM Maximo system for purchase requisition tracking and inventory management.
• Support inventory control by maintaining minimum stock levels and reducing overstock risks.
• Coordinate advance payment.
• Built strong supplier relationships to improve cooperation, flexibility, and price negotiation outcomes.
• Prepared and submitted credit term applications to new vendors, ensuring all required documents and company financial details were accurately provided.
• Conducted regular inventory cycle counts to ensure accuracy between physical stock and system records.
• Issued and recorded withdrawal of items from inventory based on approved requisitions, ensuring proper documentation and traceability.
• Maintained accurate inventory records in the system.

Achievement:

Lab safety and IMS audit

• Lab safety and IMS audit
• Appointed Lab Safety Team Leader; led MSRA (Risk Assessment) reviews and ensured all lab activities complied with WSH standards.
• Certified Hazmat, First Aider and Fire Warden, conducted monthly emergency equipment inspections (eyewash stations, fire extinguishers, spill kits, first aid kits).
• Conducted regular Toolbox Meetings to brief analysts on lab changes, PPE use, emergency procedures, and hazard controls.
• Maintained and updated Safety Data Sheets (SDS) for all chemicals; ensured controlled substances like hydrogen peroxide met regulatory quantity limits.
• Coordinated safe storage and waste disposal (solid and liquid) in line with environmental and safety regulations (e.g., e-tracking via ECOWASTE).
• Led internal and external IMS/ISO audits, including corrective actions and documentation.
• Organized and participated in fire drills, guided staff to assembly points, and performed headcounts to ensure full accountability.
• Arranged yearly industrial hygiene monitoring (e.g., noise, chemical exposure), ensuring lab conditions met MOM and NEA requirements.
• Collaborated with the Safety Committee on lab walkdowns, incident investigations, and continuous safety improvement.
• Ensured new hires and interns received onboarding safety briefings and WSH compliance materials.
• Responsible for the safe usage and handling of explosive-grade hydrogen peroxide in the laboratory.
• Ensure chemical purchase meet the limit of annex 1 hazardous chemical list within storage license quantity.

Laboratory Operations and Management

· Manage laboratory operational expenditure (OPEX) budget to ensure cost efficiency.

· Source and order lab consumables, chemicals, accessories, and materials by obtaining and evaluating quotes from at least three different suppliers.

· Oversee laboratory inventory management, including maintaining controlled access to hydrogen peroxide chemical inventory.

· Request and evaluate supplier quotations to support procurement decisions.

· Initiate and process write-off requests for obsolete or damaged lab assets.

· Raise Capital Expenditure (CAPEX) purchase requests as needed for lab upgrades or equipment.

· Seek necessary approvals for Purchase Requisition (PR) requests covering consumables, accessories, preventive maintenance (PM), and other OPEX-related expenses.

· Manage monthly billing statements to internal departments and external customers, ensuring accuracy and timely delivery.

· Prepare quotations for customer inquiries and requests.

· Conduct employee appraisals and yearly performance grading.

· Participate actively in laboratory digitalization initiatives to improve workflow and data management.

· Troubleshoot laboratory instruments to identify and resolve operational issues.

· Perform routine replacement and maintenance of instrument parts to ensure optimal functionality.

Administrative Support

· Manage ordering and inventory control of office stationery to ensure adequate supplies.

· Coordinate pantry refreshment orders to maintain staff amenities.

· Handle telephone inquiries from internal and external customers regarding laboratory testing services.

· Process long-term and short-term visitor passes for Jurong Island access, including visitor clearance and company premises entry.

· Prepare onboarding documents and access passes for new staff and interns to ensure smooth first-day orientation.

· Raise Material Requisition Forms (MRF) for staff and interns as required.

· Participate in interviewing candidates for analyst positions to support recruitment efforts.

ISO 17025 Quality Management & Laboratory Compliance

• Manage Certificates of Analysis (COA) to ensure accuracy and compliance.
• Maintain laboratory systems in accordance with ISO 17025 standards and requirements.
• Serve as Approved Signatory for ISO 17025 documentation and reports.
• Lead and participate in internal and external ISO 17025 audits, including corrective action reporting (CAR).
• Develop and oversee calibration and preventive maintenance (PM) plans aligned with ISO 17025.
• Review Risk Assessments (RA) relevant to ISO 17025 compliance.
• Lead validation and verification of test methods to ensure accuracy and reliability.
• Train analysts on new instruments and testing methods.
• Prepare accredited reports for external customers, ensuring clarity and compliance.
• Establish and manage Standard Quality Checks and training checklists for all accredited test methods.
• Maintain traceability for equipment, standards, data records, and test results via comprehensive data sheets and documentation.
• Manage proficiency testing (PT) samples, interlaboratory and intralaboratory comparisons to assure quality and benchmarking.
• Secure and lock Excel files to protect critical formulas from unintended edits by lab analysts.
• Maintain document index and master list for all traceability and quality records.
• Lead updates and reviews of Standard Operating Procedures (SOPs) to meet evolving requirements.
• Collect data for Measurement Uncertainty (MU) development and reporting.
• Coordinate testing activities to ensure timely, accurate input of results into LIMS and reporting systems, free from errors.
• Perform calibration of laboratory instruments and plant meters, ensuring equipment reliability.
• Monitor chemical inventories and stock levels for safety equipment such as spill kits, extinguishers, and first aid boxes.
• Ensure compliant lab waste disposal through e-tracking systems (e.g., ECOWASTE).
• Coordinate sample handling for third-party testing services as required.

Laboratory Testing Expertise Includes:
pH, Conductivity, Total Organic Carbon (TOC), Chemical Oxygen Demand (COD), Biochemical Oxygen Demand (BOD), Ion Chromatography, ICP-OES, ICP-MS, Ashing, Microwave Digestion, WDX X-Ray, Bomb Calorimetry, CHNS Analysis, Water by Distillation, Karl Fischer Titration, Volatile Fatty Acids (VFA), Alkalinity, FIA (Phenol, Cyanide), Oil and Grease (FTIR and Eracheck), Total Suspended Solids (TSS), Total Dissolved Solids (TDS), Ammonia (Distillation or Hach method), Sulphate, Sulphide, Iron (Hach), Silica (Hach), Nitrite (Drop Method), Specific Gravity, Phosphate (Hach), Eliminio (Hach), Total Kjeldahl Nitrogen (TKN), and others.

• Testing on all lubricant oil, used oil and fuel oil.
• Testing included: Viscosity, Density, Total Base Number, Water by distillation, Foaming Test, Flash Point (COC and PMCC), Pour Point. Color meter.

• Testing on all fuel oils and gas oils samples, including urgent samples.
• Testing included: Viscosity, Total Sediment Accelerated, Water by distillation, Density, Pour Point, Flash Point, Ashing, ICP, TSE, TSP, MCR using FTIR to read, Karl fisher, Sulphur content, Total Acid Number.
• Maintained proper housekeeping.
• Prepare Reagent.
• Troubleshooting of equipment.
• Key data into LIMS.