Flor Mancinas

Industrial Chemical Engineer based locally in the Reno/Verdi area, offering a highly analytical, structured, and detail-oriented mindset. Formally trained in technical process standardization, end-to-end laboratory quality control, data verification, and precision equipment calibration. Proactively ensures operational quality by auditing strict protocol adherence, from initial raw material processing to final quantitative analysis.

Exhibited strong technical discipline and a methodical approach to identifying process variations, ensuring absolute adherence to quality, occupational health, and safety frameworks within complex industrial environments.

QA/QC Laboratory & Process Engineer at Minera Rio Tinto (via contractor Minera Loomex) (2017-08 – 2019-07)

• End-to-End Quality Control & Sample Auditing: Supervised and audited the full analytical lifecycle of mine and plant samples; verified that raw material processing met strict size standards through milling, pulverizing, and 200-mesh sieve analysis before packaging and transferring to the testing lab.
• On-Site Process Verification & Sampling: Conducted regular physical plant walkthroughs to monitor flotation cell operations, evaluating froth stability and process variables. Systematically collected direct field samples to cross-reference real-time metallurgical behavior with laboratory test results, ensuring outcomes perfectly aligned with engineered process expectations.
• Hands-on Wet Chemistry & Acid Digestion QA: Executed and monitored exact weighing and volumetric addition of hazardous concentrated acids (H2SO4, HCl, HNO3) for sample chemical digestion. Conducted rigorous visual and technical quality checks on filtration and total quantitative sample transfer to eliminate data skewing.
• AA Spectrophotometry & Equipment Calibration: Performed high-precision quantitative chemical analysis utilizing Atomic Absorption Spectrophotometry (AAS). Managed equipment QA/QC protocols, executing routine zero-point baselines and standard reference sample calibrations to ensure exact readouts. Verified accuracy of analytical scales and dosing equipment.
• Laboratory Standards & Cross-Contamination Prevention: Enforced rigorous contamination control protocols; supervised the proper storage and isolation of reactive reagents, ensured the exclusive use of distilled water for precise testing, and audited the thorough cleaning of laboratory instrumentation before and after each use to eliminate technical bias.
• Cyanidation Process Monitoring & HazMat Safety: Actively monitored parameters and data related to gold and silver metallurgical extraction, including sodium cyanide leaching and cyanidation tower variables. Applied strict neutralization protocols for chemical waste streams to ensure occupational safety and environmental compliance.
• Strict Safety & Infrastructure Auditing: Enforced 100% compliance with specialized PPE protocols and continuously audited engineering controls, specifically validating the proper extraction suction of laboratory fume hoods during chemical reactions.
• Data Traceability & Daily Reporting: Maintained meticulous sequential chemical logs, capturing precise sample batch orders, calibration curves, and analytical metrics. Authored and sent daily technical quality laboratory reports to plant operations to drive real-time manufacturing decisions.

Technical Instructor / Chemistry and Physics Teacher at Secretaria de Educación Pública (2019-08 – 2026-05)

• Training & Schedule Management: Developed and executed comprehensive, structured lesson plans and project timelines for physics and chemistry courses, ensuring 100% compliance with strict institutional and academic standards. Managed and coordinated daily activities for multiple high-volume groups, fostering a structured, safe, and productive environment.
• Standardization, QA & Documentation: Designed, administered, and audited quantitative evaluations and performance metrics to measure progress. Meticulously reviewed, cross-referenced, and documented data and compliance records, maintaining organized databases of performance indicators for internal reporting.
• Leadership & Technical Communication: Translated complex scientific, chemical, and physical concepts into clear, digestible, and actionable information for diverse audiences, ensuring comprehensive understanding and mastery of technical subject matter.
• Continuous Improvement & Collaboration: Participated actively in strategic institutional committees (Consejo Técnico Escolar) to analyze group metrics, identify root causes of performance variance, and collaborate with cross-functional teams to implement corrective action plans.

B.S. in Industrial Chemical Engineering – Instituto Tecnológico de Los Mochis (2013-08 – 2018-01)