CLEAPSS What's New

The latest resources published by CLEAPSS.

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CLEAPSS Constitution (21 Jan 2026)

This document sets out intended functions of CLEAPSS, and the procedural rules of membership and governance on which CLEAPSS is organised and run.

PS048 Fume cupboard testing and contractors (15 Jan 2026)

Briefly explains the legislative basis for annual fume cupboard testing and the equipment needed to undertake the test. Also includes a regularly-updated list of contractors who will test fume cupboar.. more

PP157 - Investigating aspects of carbohydrate structure through selective enzyme action (15 Jan 2026)

This protocol explores the effects of different carbohydrase enzymes on a range of carbohydrates of varying molecular size by measuring the resulting concentrations of reducing sugars using a colorime.. more

GL496a - Slide index wheel (15 Jan 2026)

This guide contains a template for an indexing wheel to be used in conjunction with GL496 - Storing, cataloguing and disposing of prepared microscope slides.

GL496 - Storing, cataloguing and disposing of prepared microscope slides (15 Jan 2026)

Outlines general information on microscope slides and how to store them as well as a suggested system for managing a large collection. Guidance is also given on the disposal of prepared slides.

GL258: Guidance for school employers undertaking registration of the use of school-science radioactive teaching sources (15 Jan 2026)

The following is CLEAPSS guidance for school employers undertaking registration for radioactive sources used in school science. Since 6th February 2018, employers who have employees using radioactive .. more

PP156 - Comparing the diffusion of halogen gases and vapours (5 Jan 2026)

Diffusion is direct evidence of the particulate nature of matter. There are not many demonstrations or activities for the halogens, because the gases and vapours are toxic. However, using microscale t.. more

Bulletin 185 - Spring 2026 (2 Jan 2026)

Bulletin 185 - Spring 2026- Directors Editorial- New Home Page (on its way)- Exploring the great outdoors- Activities with blood- Dealing with emergencies in the lab- More on slime- Chemicals going ho.. more

GL108 - SYC-CLEAPSS advice. Secure Your Chemicals (12 Dec 2025)

A short document which provides concise advice on how to ensure the security of your school chemical store. It was produces in response to the Government's concern over potential chemical theft or los.. more

GL393 - Dissection (4 Dec 2025)

This guide gives advice about how to carry out dissections safely. This includes how to store and prepare the dissection material, what equipment to use, and clearing up and disposal.

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