What is “static pressure”?

We were running the BOHS module course P601 “Commissioning and Thorough Examination and Testing of Local Exhaust Ventilation Systems” last week. One of the concepts delegates often find difficult to get to grips with is “static pressure”, which is one of the main engineering measurements carried out during the testing of a local exhaust ventilationContinue reading “What is “static pressure”?”

Is it covered by the syllabus?

The syllabus for a BOHS module is an important document. For course providers, it’s the only thing that tells us what we need to cover during the course. So in order to be credible it needs to be clear and unambiguous and nothing should appear on the exam which isn’t mentioned  in the syllabus. UnfortunatelyContinue reading “Is it covered by the syllabus?”

Introduction to Toxicology

This is a presentation I put up on Slideshare. Its relevant to BOHS Module M101 – “Effects of hazardous substances” – but also provides some useful background for some of the other modules, particularly M102 and M103 where the examiners seem to assume that candidates have some knowledge of toxicology (although it isn’t a pre-requisiteContinue reading “Introduction to Toxicology”

Oral Examinations

Last week we ran a revision course for candidates intending to sit the oral examination for the BOHS Certificate. These take place every 3 months in March, June, September and December. The examination lasts for an hour (although it’s surprising how quickly thie time passes) and there will usually be a panel of three examinersContinue reading “Oral Examinations”

New format Module exams – Part B

Two weeks to go now to the launch of the new style BOHS module exams. Last week we received some details on the new format for Part B. Instead of one long question from a choice of two, candidates will be required to answer 5 out of 8 “micro-essay” questions. BOHS have now released someContinue reading “New format Module exams – Part B”

BOHS Examination changes

This week we were running M103, “Control of hazardous substances” in Chester. As usual, we had a good group who were keen to learn, worked hard, contributed to discussions and seemed to get on well.  As usual it was a tough exam, but this will be the last course we will have run with theContinue reading “BOHS Examination changes”