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Principles and Practice of Occupational Hygiene in South Africa Cas J Badenhorst SAIOH President Primary Aim

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Principles and Practice of Occupational Hygiene in South Africa Cas J Badenhorst SAIOH President Primary Aim Principles and practice of occupational hygiene in South Africa Cas J Badenhorst SAIOH President Primary aim • Prevent harm to employees • Prevent regulatory action against the Company • Minimise the risk of legal claims against the company for occupational diseases, injuries and deaths • Minimise reputational risk • Disaster prevention 2 Principles • What is there that could harm the health of employees and what are the sources? • Information/data (sources, exposure, workplace levels, controls, etc.) • Who could be exposed? How? Similar exposure groups (SEGs) Anticipation & • What are the current control? Identification • Health risk & control registers • How much? • Exposure and workplace data and exposure trend analysis • Quantitative, semi-qualitative or qualitative • Degree of exposure, frequency of exposure and exposure patters Evaluation • Personal exposure measurements & workplace measurements • What is done and can we do more? • Control at source principle • Identify & quantify current controls (original design and performance parameters, current performance, availability, efficiency, maintenance schedule) • Control improvements &/or additional controls Control • Workplace environment incidents • Reporting and communication 3 Occupational hygiene in South Africa • 1910 • Mines & Works Act, 1911 • Minerals Act, 1991 • Mine Health & Safety Act, 1996 Mines & • DMR works • Ventilation Engineers • Mine Ventilation Society of SA • Main focus on dust & noise • ODMWA • Occupational Health & Safety Act, 1993 • DoL • Occupational Hygienists Industry • Southern African Institute of Occupational Hygiene (SAIOH) • Lead, asbestos, HCS, Mercury, noise, etc. • COIDA 4 Occ Hygiene profession in South Africa • Mines & Works (MHSA) - Section 12 appointment - CoM Certificate in Mine Environmental Control - Professional registration not formalized • Industry (OHSA) - Approved Inspection Authorities (AIAs) - Occupational Hygienist / Technologist / Assistant - SAIOH is a SAQA recognized professional body - SAIOH independent PCB 5 Appointed Occupational Hygienists Legal responsibilities in terms of section 12.1 of the MHSA 1. System of Occupational Hygiene 4. System of Occupational Hygiene 7. Early Warning Systems Measurements Measurements Regulation 9.1(2) of the MHSA Section 12.1 of the MHSA Section 9.2 of the MHSA Requires that where the risk System of Occupational Hygiene measurements to be COPs must be developed where guidelines for a assessment at the mine indicates a implemented. COP have been issued by the Chief Inspector of significant risk of a fire and/or explosion Mines. The following COPs generally incorporate and/or toxic release, that could lead to Section 12.3 of the MHSA the system of Occupational Hygiene an irrespirable atmosphere or an Record of all occupational hygiene measurements to be measurements: atmosphere immediately dangerous to kept in a manner that can be linked as far as • Airborne Pollutants life or health, the employer must provide an early warning system or Practicable to each employee's record of medical • Noise systems at all working places. surveillance. • Thermal Stress COPs are to be revised periodically or following an incident etc. 2. Reporting of Results Regulation 9.2(7) of the MHSA 8. Working Places where Requires that the results of the system of 5. Fires and Explosions work has ceased Occupational Hygiene measurements to be Regulation 5.1(1)of the MHSA Regulation 9.1(4) of the MHSA submitted quarterly to the DMR on statutory Hygienist to report to the employer on: Reasonable practicable measures to be forms. Effectiveness of the precautionary measures taken to ensure that no employee is taken to prevent or suppress explosions of exposed to any health hazard at, or coal dust or flammable gas, and on emanating from, any working place 3. Risk Assessment the adequacy of measures in place to where work has ceased, either Regulation 9.2(2) – Identification of significant prevent, detect and combat the start and temporarily or permanently. stressors spread of mine fires. Airborne Pollutants: 1 Particulates > /10 of the occupational exposure limit 6. COP Flammable Gas 9. Report to Employer Gases and vapours > ½ of the occupational exposure Explosion Regulation 9.2(3)(b) of the MHSA limit Where the risk determines the need a The 12.1 appointee must report to the Thermal Stress: COP is required in accordance with employer on occupational hygiene Heat >25,0°C wet bulb and/or >32,0°C dry bulb the guidelines issued, in terms of hazards that may cause illness or and/or >32,0°C mean radiant temperature section 9.2 of the MHSA, for “the adverse health effects to persons, assess prevention of flammable gas the results in terms of the implementation Cold <10°C equivalent chill temperature: explosions in mines other than coal of control systems and the management Noise mines”. thereof, and recommend remedial >82dBLAeq,8h actions to the employer. 10. Provision of Potable and 14. Occupational exposure to Palatable Water health hazards Schedule 22.9(2)(c) of the MHSA Regulation 9.2(1) of the MHSA Potable water quality to be compliant with The employer must ensure that the occupational the legislated limits. exposure to health hazards of employees is maintained below the limits set out in Schedule 22.9(2)(a) and (b) 11. Respiratory Protective Equipment Regulation 9.2(8) of the MHSA 15. Illumination The employer must ensure that all respiratory protective equipment used at a mine, other than Regulation 9.2(9) of the MHSA body-worn self-contained self-rescuers, comply with Illumination at all working places must be sufficient the South African Bureau of Standards Code of to enable employees to perform their work safely. Practice, Homologation of respiratory equipment SABS 0338. 16. Investigations 12. Working clothes Section 11.5 of the MHSA Regulation 9.2(6) of the MHSA Investigations to be conducted into all serious Employees, who perform work involving hazardous illness cases and health threatening occurrences. substances, must not remove their working clothes These investigations are to commence within 10 from the mine unless such clothes have been days from the date of such diagnosis and or decontaminated. incident and the completed investigation report to be submitted to the Principal Inspector of Mines within 30 days. 13. Rescue, first aid and emergency preparedness and response 17. Record of Hazardous Work Regulation 16.1(1) of the MHSA Section 14 of the MHSA The appointed 12.1 person must report to The manager at every mine must keep a service the employer on the adequacy of escape record, in the prescribed form, of employees at the and rescue procedures at the mine relating mine who perform work in respect of which to explosions, fires and flooding. medical surveillance is conducted in terms of section 13. Occupational hygiene qualification routes (example from Anglo American Operations (Pty) Limited) Senior Occupational Hygienist / Occupational Hygiene Manager Academic Post graduate qualification in Occ Hygiene (Masters, PhD, etc), or MPH, or similar & 24 months practical experience study Professional registration as an Occupational Hygienist Occupational Hygienist Advanced Degree or diploma from accredited college or university 36 months practical experience qualification occ hygiene or related science and 36 months practical experience Professional Occupational Occupational Occupational Occupational registration as an Occupational Hygiene Hygiene Hygiene Hygiene Occupational Hygiene Technologist Technologist Hygiene Technologist Technologist Technologist Technologist Intermediate OHTA Intermediate W501 – W507 & OHTA qualification 12 months practical experience Intermediate OHTA W501 – W507 & Intermediate Anglo American 5 years W501 – W507 & Professional Occupational Occupational Occupational practical 12 months registration as an Hygiene Hygiene Hygiene PIT Occupational Assistant Assistant experience practical programme Hygiene Assistant experience (24-36 months) Occupational Hygiene Occupational Occupational OHTA Foundation Graduate Hygiene Trainee Hygiene Trainee W201 – Basic Principles Fundamental qualification OHTA Foundation W201 – Basic Principles CoM CMEC Other related Intermediate Graduate Gr12 disciplines Entry level College CoM CMEC (BTech, NDP, (with Maths & (safety, qualification diploma Advance MPH, BSc, BSc Science environment, CoM CMEC Hons, MSc chemistry, etc) Practical Professional registration South Africa Southern African Institute of Occupational Hygiene (SAIOH) (recognised by IOHA) Level Requirements Registered Education: Grade 12 school certificate or a 120 NQF Credits (i.e. 1 year Occupational tertiary study qualification with a technical/scientific academic background OR Hygiene a student in his/her third year studying a Diploma in Environmental Health or a Assistant National Diploma or Degree in a technical or scientific discipline.) (ROHA) Experience: No experience necessary. Registered Occupational Education: 360 NQF credits i.e. 3 years tertiary study Hygiene Experience: At least 2 years of relevant occupational hygiene experience. Technologist (ROHT) Registered Occupational Education: 480 NQF credits i.e. four years tertiary study Hygienist Experience: At least 5 years relevant occupational hygiene experience. (ROH) SAIOH history 1996 1993 IOHA membership Institute of for IOHSA 1983 Occupational Occupational Hygienists of Hygiene South Africa - 1976 Association of IOHSA Erasmus South Africa – report OHASA Pre-1976 Few 2015 company 2014 5 year led strategic plan initiatives
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