MARLIZE LIEBENBERG
Occupational Hygienist - Smartech Laboratory & Calibration
Rustenburg,Rustenburg
Summary
Occupational Hygienist with expertise in occupational hygiene management systems, exposure monitoring, and legal compliance across underground and surface mining operations. Leads data validation, statistical analysis, and incident investigations to strengthen control programs and protect worker health. Delivers process improvements through document control, cross-functional coordination, and practical implementation of corrective actions.
Overview
1
1
Language
8
8
Certifications
19
19
years of professional experience
Work History
Occupational Hygienist
Smartech Laboratory & Calibration
12.2024 - Current
- Subject Matter Expert (SME) specializing in the Vortex system to drive compliance with Occupational Hygiene Management Legislation through strategic establishment, execution, and continuous improvement.
- Streamlining hygiene processes through technology.
- Enhancing document control and alignment.
- Developing cross-departmental flowcharts.
- Manages the Section 12.1 appointment service level agreement to ensure strict legal compliance, accountability, and responsibility.
- Analyzing and validation of data using Microsoft Excel, PSPP Statistical Programme, and IHStats to ensure strict quality control and data integrity.
- Presenting data insights in diverse formats while delivering strategic solutions and final conclusions.
- Conduct walkthrough surveys: Investigate processes to understand potential or historic overexposures.
- Development of small-scale implementation plans for high-risk occupations that allows for the review of control effectiveness and requirements regarding long-term health risks. Once these controls are proven successful, implementation can expand across the rest of the operation.
- Periodically audit and review risk control programs and occupational hygiene management systems to ensure their continued effectiveness and compliance.
- Continuing research and development of legislative changes and their impact on the company, including ongoing communication with the Department of Mineral Resources and Energy (DMRE) / Department of Mineral and Petroleum Resources (DMPR).
- Integrating, Aligning, or Correlating occupational hygiene exposures with medical surveillance.
- Collaborated with the Safety and Risk departments to conduct thorough Occupational Hygiene incident investigations under Section 11.5.
- Collaborate with other mining commodities to gain experience and knowledge regarding rolled-out technologies, ensuring effectiveness and relevance to current operations.
- Develop and oversee the implementation of the overall occupational hygiene management system and ensure it aligns with legal requirements and best practice.
- Ensure that the business unit / operation complies with all relevant national, provincial, and local occupational health and hygiene regulations.
- Data collection, validation, verification and statistical analysis to ensure data integrity and quality control using Microsoft Excel, IBM Statistics and IHStats. Discuss and present data collected in various formats with possible solutions and conclusions.
Health Consultant
Anglo American Group
06.2021 - 08.2023
- Develop, implement and hand-over occupational hygiene application to operations as per the project implementation plan.
- Create and communicate project implementation plans to all business owners and stakeholders.
- Adequate document control development and maintenance.
- Data collection, validation, verification and statistical analysis to ensure data integrity and quality control using Microsoft Excel and IHStats.
- Responsible for master occupational hygiene data template and uploads unto the system.
- Change management, enhancement documentation and presentation to Steercom for approval.
- Document mapping (flow charts) creation of all hygiene processes by means of Microsoft Visio.
- Linking hygiene exposures with medical surveillance while maintaining data integrity and privacy as per the company’s data privacy policy. In line with the Occupational Health and Safety Act (OHSAct) and Mine Health and Safety Act (MHSA).
- Involvement in strategic implementation of objectives and targets as per the company strategy for a 5-20 year period.
- Develop ease of user guide to compliment online training. This includes video tutorials.
IM Implementer
Anglo American Group
03.2018 - 05.2021
- Implementation of Anglo American Operational Intelligence Suite (OIS). Real-time monitoring of occupational hygiene exposures.
- Configuration of data points to ensure communication of equipment with the system.
- Conduct site visits with stakeholders to record installation, communication, and equipment requirements.
- Prepare site readiness and scope of work documentation.
- Budget allocation and procurement request compilation. Follow-up on purchase orders and provide updates to vendors.
- Track project implementation plan status and communication to stakeholders, business owners and management with regards to any show stoppers and possible delays.
- Daily monitoring of the health of equipment and system.
- Compile weekly reports on over-exposures to perspective management.
- Obtain company labour files to determine percentage exposures per hazard group. Linking of occupational hygiene individual exposures with medical surveillance as per OHS Act and MHSA Act specifications.
- Maintain inter-department communication on possible issues and concerns (occupational hygiene, IT network and infrastructure, control & instrumentation, engineering and safety).
- Generating and maintaining of user manual. As an ad hoc one-on-one training was provided.
- Adding of users and maintain system credentials.
- Achievements: Successful implementation of the OIS system for Environmental and Occupational Hygiene department: Anglo American Platinum Operations (in scope) – SA Kumba Operations – SA De Beers Operations (in scope) – Botswana
- The OIS system was awarded the USA NIOSH Technology Innovation Reward in 2018.
Occupational Hygienist
Sibanye Stillwater Rustenburg Platinum Mines
11.2016 - 03.2018
- Responsible for complying with legal requirements as per the MHSA Act Section 12.1 appointment as well as maintaining the service level agreement with ventilation, public health and medical service department.
- Studying existing equipment, materials, products, production processes and general working conditions to identify hazards present in the workplace which may impact the health or wellbeing of the workforce and advise on how to eliminate or reduce hazard exposures.
- Linking of occupational hygiene exposure data per individual with the medical surveillance system.
- Hazard exposure and incident investigation.
- Monitoring hygiene exposures as per the annual risk assessment per hazard classification.
- Compile and submit all legal requirement reports in an adequate timeframe.
- Continue research and development to minimize hazard exposures by means of new critical control introduction. Document existing critical controls by means of the bow tie assessments/analysis. Review annually.
- Weekly, monthly and quarterly attendance of management meetings as per operations requirements. Regular meetings held with respective union members.
- Budget planning, procurement requirements, follow-up on purchase orders, payments of suppliers and forecasting via SAP 411.
- Attend and assist operations with company or external audits as well as frequent government official site visits.
Occupational Hygienist
Anglo American Rustenburg Platinum Mines
05.2011 - 10.2016
- Responsible for complying with legal requirements as per the MHSA Act Section 12.1 appointment as well as a service level agreement with ventilation, public health and medical service department.
- Studying existing equipment, materials, products, production processes and general working conditions to identify hazards present in the workplace which may impact the health or wellbeing of the workforce and advise on how to eliminate or reduce hazard exposures.
- Linking of occupational hygiene exposure data per individual with the medical surveillance system.
- Hazard exposure and incident investigation.
- Monitoring hygiene exposures as per the annual risk assessment per hazard classification.
- Compile and submit all legal requirement reports in an adequate timeframe.
- Continue research and development to minimize hazard exposures by means of new critical control introduction. Document existing critical controls in bow tie assessments. Review annually.
- Weekly, monthly and quarterly attendance of management meetings as per operations requirements. Regular meetings held with respective union members.
- Budget planning, procurement requirements, follow-up on purchase orders, payments of suppliers and forecasting via SAP 411.
- Attend and assist operations with company or external audits as well as frequent government official site visits.
- Responsible for the maintenance of the laboratory services to various mining and processing operations. Comply with quality assurance in terms of calibration of equipment.
- Generation, maintaining and updating laboratory procedures.
- Responsible for the PPE management and contract requirements. Approval management of all PPE items sourced off the contract.
- Maintain, capture exposure monitoring data and ensure document control of system provided by the company called IRM.net.
Section Ventilation Office Surface
Anglo Platinum Rustenburg Mines
11.2008 - 04.2011
- Anticipation of occupational hygiene hazards that are present in the workplace.
- Conduct and record occupational hygiene risk assessments.
- Systems:
- Update occupational hygiene exposures linking with medical surveillance system (IRM.net and Microsoft Excel).
- Population of employee and occupational risk profile as per the homogenous exposure group (HEG) classification band.
- Extraction of data to compile individual risk profile for incident investigations.
- Uploading and maintaining occupational hygiene equipment and calibration certification.
- Compilation of legal requirements reports and distribution to management for sign-off for all Platinum Mines.
- Occupational hygiene exposure and incident investigation.
- Budget planning for the company building (building owners) and the occupational hygiene budget. Procurement requirements and purchase order compile and follow-up.
- Ensure quality control in terms of the laboratory equipment and calibration of equipment.
- Accompany government mine official inspectors on regular site visits to ensure legal requirements.
- Document control and record keeping.
- Achievements: Developed first electronic integration of occupational hygiene individual exposure data to link with medical surveillance.
Ventilation Officer Surface
Anglo Platinum Central Services
11.2007 - 10.2008
- Anticipation of occupational hygiene hazards that are present in the workplace.
- Conduct and record occupational hygiene risk assessments.
- Systems:
- Update occupational hygiene exposures linking with medical surveillance system (IRM.net and Microsoft Excel).
- Population of employee and occupational risk profile as per the homogenous exposure group (HEG) classification band.
- Extraction of data to compile individual risk profile for incident investigations.
- Uploading and maintaining occupational hygiene equipment and calibration certification.
- Compilation of legal requirements report and distribution to management for sign-off for Central Services.
- Occupational hygiene exposure and incident investigation.
- Budget planning of building cleaning budget.
- Procurement requirements and purchase order compile and follow-up.
- Ensure quality control in terms of the laboratory equipment and calibration of equipment.
- Accompany government mine official inspectors on regular site visits to ensure legal requirements.
- Document control and recording keeping.
- Minutes recording for various management meetings.
- Achievements: Conducted the first occupational hygiene noise-induced hearing loss investigation using the Why-Analysis for Anglo Platinum Rustenburg Mines.
- Acting as Occupational Hygiene Manager from 2007 – 2014.
Education
Master of Science - Occupational Hygiene
North West University (Potchefstroom Campus)
Potchefstroom01-2012
B.Sc. Honours - Physiology
North West University (Potchefstroom Campus)
Potchefstroom01-2006
B.Sc. - Physiology & Biochemistry
North West University (Potchefstroom Campus)
Potchefstroom01-2005
National Senior Certificate - undefined
Highschool Heidelberg
Gauteng01-2002
Skills
Data collection, verification, validation, correction, and statistical analysis
Report writing and presentation skills
Process troubleshooting
Quality assessment and control
System monitoring
Team management
Relationship management
Leadership and supervision
Stakeholder communication
Training delivery
Affiliations
- Mine Ventilation Society (MVS) – Northern Branch – Committee Member – 2008, 2010 & 2012.
- South African Institute for Occupational Hygiene (SAIOH).
Certification
Occupational Hygiene Technologist – South African Institute for Occupational Hygiene (SAIOH) – Registration number 0673 – 2014.
Sewing & Reading
In my free time I love sewing and reading
Timeline
Occupational Hygienist
Smartech Laboratory & Calibration
12.2024 - Current
Health Consultant
Anglo American Group
06.2021 - 08.2023
IM Implementer
Anglo American Group
03.2018 - 05.2021
Occupational Hygienist
Sibanye Stillwater Rustenburg Platinum Mines
11.2016 - 03.2018
Occupational Hygienist
Anglo American Rustenburg Platinum Mines
05.2011 - 10.2016
Section Ventilation Office Surface
Anglo Platinum Rustenburg Mines
11.2008 - 04.2011
Ventilation Officer Surface
Anglo Platinum Central Services
11.2007 - 10.2008
National Senior Certificate - undefined
Highschool Heidelberg
B.Sc. - Physiology & Biochemistry
North West University (Potchefstroom Campus)
B.Sc. Honours - Physiology
North West University (Potchefstroom Campus)
Master of Science - Occupational Hygiene
North West University (Potchefstroom Campus)