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SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD THAT HAS PASSED THE END DATE: 

Sample air by means of a tyndallometer to determine the concentration of aerosols 
SAQA US ID UNIT STANDARD TITLE
421864  Sample air by means of a tyndallometer to determine the concentration of aerosols 
ORIGINATOR
QCTO Task Team - Mining and Minerals 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 06 - Manufacturing, Engineering and Technology Fabrication and Extraction 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Not Applicable  NQF Level 03  3 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
Passed the End Date -
Status was "Reregistered" 		 2018-07-01  2023-06-30  SAQA 06120/18 
LAST DATE FOR ENROLMENT LAST DATE FOR ACHIEVEMENT
2024-06-30   2027-06-30  

In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise.  

This unit standard does not replace any other unit standard and is not replaced by any other unit standard. 

PURPOSE OF THE UNIT STANDARD 
This unit standard will be useful to people who have the responsibility to sample air by means of a tyndalometer to determine the concentration of aerosols and take appropriate action.

Learners credited with this unit standard are able to:
  • Explain the specified requirements pertaining to the sampling of air by means of a tyndalometer.
  • Prepare to sample the air.
  • Sample air for aerosol concentration.
  • Perform post-sampling activities. 
    		•

    LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
    It is assumed that learners are already competent in:
  • Communication and mathematical literacy at NQF Level 2. 
    		•

    UNIT STANDARD RANGE 
    N/A 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Explain the specified requirements pertaining to the sampling of air by means of a tyndalometer to determine the concentration of aerosols and take appropriate action. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The limits regarding the aerosol concentrations are explained in terms of specified requirements. 

    ASSESSMENT CRITERION 2 
    The technique pertaining to the sampling procedures is performed in accordance with specified requirements. 

    ASSESSMENT CRITERION 3 
    The need to conduct aerosol sampling, to ensure a healthy, safe and productive environment, is explained in terms of specified requirements. 

    ASSESSMENT CRITERION 4 
    The principle of operation of the tyndallometer is explained in terms of specified requirements. 

    SPECIFIC OUTCOME 2 
    Prepare to sample the air by means of a tyndallometer. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The tyndallometer is examined, calibrated and zeroed in accordance with specified requirements. 

    ASSESSMENT CRITERION 2 
    The importance of examining, calibrating and zeroing the instrument is explained in terms of the consequences to occupational health and safety. 

    ASSESSMENT CRITERION 3 
    Any conditions that can influence sampling and results are identified and noted in terms of specified requirements. 

    ASSESSMENT CRITERION 4 
    The measuring position is selected and the importance of compliance is explained in terms of consequences to occupational health and safety. 

    ASSESSMENT CRITERION 5 
    Permission to enter the working place, where applicable, is obtained and the risks of entering a workplace without obtaining permission are explained in terms of the consequences to occupational health and safety. 

    ASSESSMENT CRITERION 6 
    The position where sampling is to take place is examined and hazards and risks pertaining to health and safety dealt with in accordance with specified requirements. 

    ASSESSMENT CRITERION 7 
    The importance of examining the workplace and dealing with hazards and risks are explained in terms of the possible consequences to occupational health and safety. 

    ASSESSMENT CRITERION 8 
    The preparatory work is performed in a manner that fosters teamwork and avoids conflict. 

    SPECIFIC OUTCOME 3 
    Sample air for aerosol concentration. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The sampling is conducted in accordance with specified requirements. 

    ASSESSMENT CRITERION 2 
    The importance of using the tyndalometer as prescribed is explained in terms of the consequences to occupational health and safety. 

    ASSESSMENT CRITERION 3 
    The sampling result, position, work activity and time are recorded in accordance with specified requirements. 

    ASSESSMENT CRITERION 4 
    The importance of recording the data is explained in terms of the consequences to occupational health and safety. 

    ASSESSMENT CRITERION 5 
    Concentrations measured are dealt with in accordance with specified requirements and the importance of compliance explained in terms of the consequences to occupational health and safety. 

    ASSESSMENT CRITERION 6 
    The immediate vicinity where measurements are made is continuously assessed for hazards and risks pertaining to occupational health and safety, which are dealt with in accordance with specified requirements. 

    ASSESSMENT CRITERION 7 
    The importance of dealing with hazards and risks is explained in terms of the consequences to occupational health and safety. 

    ASSESSMENT CRITERION 8 
    The sampling is performed in a manner that fosters teamwork and avoids conflict. 

    SPECIFIC OUTCOME 4 
    Perform post-sampling activities. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The instrument calibration is verified in accordance with specified requirements. 

    ASSESSMENT CRITERION 2 
    The instrument is cleaned and defective equipment is dealt with in accordance with specified requirements. 

    ASSESSMENT CRITERION 3 
    The importance of cleaning and dealing with defective equipment is explained in terms of the consequences to occupational health and safety. 

    ASSESSMENT CRITERION 4 
    Reports are completed and submitted in accordance with legal and site-specific requirements. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • Anyone assessing a learner against this unit standard must be registered as an assessor with the relevant QCTO Quality Assurance Partner (QAP).
  • Any institution offering learning that will enable achievement of this unit standard must be accredited as a provider through the relevant QCTO QAP.
  • Moderation of assessment will be overseen by the relevant QAP according to the moderation guidelines and the agreed QAP procedures. 
    		•

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    The following embedded knowledge is addressed in an integrated way in the unit standard:
  • Relevant Occupational Health and safety knowledge.
  • Report writing requirements.
  • Legal and site-specific requirements.
  • Aerosol concentrations.
  • Sampling procedures.
  • Principle of operation of the tyndallometer.
  • Any conditions that can influence sampling.
  • Sampling the air by means of a tyndallometer.
  • Dealing with Concentrations measured.
  • Instrument calibration and care. 
    		•

    UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO WORKING 
    Work effectively with others as a member of a team/group/organisation/community.
    Note:
  • The ability and willingness of the learner to work effectively sampling air by means of a tyndallometer. 
    		•

    UNIT STANDARD CCFO COLLECTING 
    Collect, organise and evaluate information.
    Note:
  • The ability of the learner to collect and interpret information and take appropriate action when sampling air by means of a tyndallometer. 
    		•

    UNIT STANDARD CCFO SCIENCE 
    Use science and technology effectively and critically (showing responsibility towards the environment and health of others).
    Note:
  • The ability of the learner to select and use appropriate equipment and apply relevant techniques when sampling air by means of a tyndallometer. 
    		•

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems.
    Note:
  • The learner understands the interaction between various processes and individuals in the mining industry and plays a constructive role in that regard. 
    		•

    UNIT STANDARD ASSESSOR CRITERIA 
    N/A 

    REREGISTRATION HISTORY 
    As per the SAQA Board decision/s at that time, this unit standard was Reregistered in 2015. 

    UNIT STANDARD NOTES 
    Terminology:

    Specified Requirements

    Specified requirements include legal and site-specific requirements and are contained in one or more of the following documents:

    Legal requirements:
  • OHS Act and Regulations 85/1993.
  • Mine Health and Safety Act and Regulations 29/1996.
  • Guideline for mandatory Codes of Practice.

    Site- Specific requirements:
  • Managerial instructions.
  • Codes of Practice.
  • Company Standards.
  • Standard Task Procedures.
  • Health Management Programme.
  • Risk Assessment Documentation.
  • Working Guides.
  • Manufacturers' specifications. 
    		•

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  90656   National Certificate: Mine Ventilation  Not Applicable  NQF Level 02  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  MQA 


    PROVIDERS CURRENTLY ACCREDITED TO OFFER THIS UNIT STANDARD: 
    This information shows the current accreditations (i.e. those not past their accreditation end dates), and is the most complete record available to SAQA as of today. Some Primary or Delegated Quality Assurance Functionaries have a lag in their recording systems for provider accreditation, in turn leading to a lag in notifying SAQA of all the providers that they have accredited to offer qualifications and unit standards, as well as any extensions to accreditation end dates. The relevant Primary or Delegated Quality Assurance Functionary should be notified if a record appears to be missing from here.
     
    NONE 


    All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.