W505 – Control Of Hazardous Substances (Core)


To guarantee a place on this course, please register at least 7 days prior to the course start date. For any bookings after this date please contact us.
To guarantee a place on this course, please register at least 7 days prior to the course start date. For any bookings after this date please contact us.
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    Established for over 11 years, Gully Howard Technical are experts within our fields, ideally placed to offer the W505 – Control of Hazardous Substances training course. Our trainers are both highly knowledge and professional, with vast experience delivering Occupational Hygiene Training worldwide.

    The W505 – Control of Hazardous Substances is a core module under the Occupational Hygiene Training Association (OHTA) international qualification scheme. BOHS are the UK examining board for this module and Gully Howard Technical are the course providers. Candidates will take an open book written examination at the end of the module, and complete an assessed practical during the course. View the W505 course syllabus here.

    W505 Aims

    The W505 – Control of Hazardous Substances Training course aims to describe the ways in which exposure to hazardous substances arises in the workplace, and to introduce the methodologies and technologies available to control exposures and thereby reduce risks to health.

    Learning Outcomes

    On successful completion of this module the student should be able to:

    • Describe how airborne contaminants are generated by industrial processes, how this impacts on the control strategy, and how control solutions can thereby be optimised.
    • Recognise the range of approaches to risk reduction embodied in the hierarchy of control and select appropriate strategies for implementation.
    • Describe the meaning of “adequate control”, particularly in relation to personal exposures.
    • Discuss the importance of design considerations in terms of the workplace, process, and plant, as a means of reducing occupational exposures.
    • Describe the principle elements of a local exhaust ventilation system, give examples of typical installations and how to carry out the necessary measurements to assess whether a local exhaust ventilation system is effective and operating to the design specification.
    • Recognise the limitations of local exhaust hoods and enclosures and the means to optimise their effectiveness.
    • Describe how personal protective equipment programmes may be used in an effective manner.
    • Recognise the impact that control measures may have on other workplace hazards and understand the need to take a holistic approach to the design of control solutions.

    **ONLINE COURSES** require to have access to the ZOOM platform via computer/laptop with 2 way audio and visual (webcam).


    Newcastle, Online, Portsmouth

    Dates 19th February 2018 to 23rd February 2018, 15th October 2018 to 19th October 2018, 11th March 2019 to 15th March 2019, 21st October 2019 to 25th October 2019, 12th October 2020 to 16th October 2020, 27th April 2020 to 1st May 2020, 5th April 2021 to 9th April 2021, 8th November 2021 to 12th November 2021, 19th April 2021 to 19th April 2021, 28th March 2022 to 1st April 2022, 11th July 2022 to 15th July 2022, 7th November 2022 to 11th November 2022, 1st November 2021 to 5th November 2021, 4th July 2022 to 4th July 2022, 16th January 2023 to 20th January 2023, 6th March 2023 to 10th March 2023, 10th July 2023 to 14th July 2023, 13th November 2023 to 17th November 2023, 15th January 2024 to 19th January 2024

      Group bookings and private courses

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      Upcoming W505 - Control Of Hazardous Substances (Core) Courses

      Mon 13 Nov 2023 - Fri 17 Nov 2023

      • W505 - Control Of Hazardous Substances (Core)
        Single person
      • £1,375.00
        per person
      • +£100.00 Exam Fees
      • 09:00 am 13/11/2023 - 05:00 pm 17/11/2023
      • 5 days
      • Online

      • Includes Lunch**
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      • W505 - Control Of Hazardous Substances (Core)
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      • Includes Exam Fees
      • At a date of your choosing***
      • 5 days
      • On site at your chosen location

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      * Group booking discount applies to a minumum group size of 6 or more bookings.
      ** Please advise of any dietary requirements when booking. All catering provided by an external company.
      *** Subject to availability.