Airborne Environmental Consultants

BOHS P404 - Clearance Testing & the Requirements of a Certificate for Reoccupation

£480 ex VAT & a BOHS exam fee of £170 per delegate



Syllabus/Course Structure and Assessment

The main subject areas of the course are:

Candidates are required to pass all of the following parts (A, B and C below) to be awarded the module:

A: The Practical Assessment

The practical assessment must be carried out by the Tutor during the relevant part of the course for all candidates. This is to ensure that every candidate can demonstrate their individual ability and correct method for thoroughly reviewing an enclosure, locating, and taking air samples and the correct use of PPE and RPE. The practical assessment includes:

B: Written Examination 1

This is an open-book examination comprising of approximately 35 (140 marks) short-answer questions illustrated by photographs and diagrams as appropriate to be answered in 120 minutes. The examination covers sections 1, 2 and 3 of the syllabus with achievable marks in proportion to the time allocation given on the front page of the syllabus and is overseen by a BOHS invigilator. The overall pass mark is 55% with a requirement to reach at least 45% of the available marks in each section of the syllabus.

C: Written Examination 2

This is an open-book examination comprising of approximately 35 (140 marks) short-answer questions illustrated by photographs and diagrams as appropriate to be answered in 120 minutes. The examination covers sections 4, 5, 6, 7 and 8 of the syllabus with achievable marks in proportion to the time allocation given on the front page of the syllabus and is overseen by a BOHS invigilator. The overall pass mark is 55% with a requirement to reach at least 45% of the available marks in each section of the syllabus.

Who is this course suitable for?

  • Anyone who undertakes clearance inspections and air monitoring of asbestos as part of their work (e.g. asbestos site analyst)
  • Issues clearance certificates following asbestos clearance procedures.
  • Undertakes asbestos fibre counting and requires an understanding of the external processes used in air sampling.
  • Manages asbestos site analysts.
  • Candidates for this course are expected to be aware of HSG 248 Asbestos: The Analysts' Guide (July 2021), and in particular Chapter 6: Site clearance and certification. Candidates will also be expected to have prior experience of undertaking clearance testing including air sampling, fibre counting and issuing certificates for reoccupation. In addition, candidates are expected to have had training to cover the core competencies outlined within the foundation material detailed within Table A9.1 of HSG248 Asbestos: The Analysts' Guide (July 2021). This may be achieved by In -house learning or through the P400 foundation module. This course also has a pre-requisite that all candidates must have taken the BOHS P403 module - Air Sampling and Fibre Counting (PCM) (P403 and P404 courses with their examinations either run concurrently or as a combined course can be deemed as meeting this requirement).

Course Timing

Duration: 2 days

Start time: 9am on course day, 11am on exam day

Finish time: Approximately 4pm

Written Exam 1: Open book, Approx 35 questions, 120 minutes

Written Exam 2: Open book, Approx 35 questions, 120 minutes

Delegates are required to bring along a scientific calculator







Thank you for your course/exam booking with AEC.

Please note, from Monday 4th April 2022 we will now require BOHS Candidate Information Forms to be sent to us to process your exam booking with BOHS, this form must be completed and returned to training@aec.uk.net within 48 hours of making the booking, without this form, we cannot order an exam paper for you.

The reason for the above is because BOHS will now be using an online exam software provider, Eva, to provide the function to generate online and paper exams.

This should help speed up the turnaround time for the marking process.

Many thanks

We appreciate your assistance with this matter



BOHS Candidate Form

Location - Manchester

Location - Essex

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