CLEAPSS Supporting practical science and technology
CLEAPSS What's New
The latest resources published by CLEAPSS.

To find the latest updates for a specific type of resource (eg HazCards) use the drop down menu below.

This page contains both new and updated resources begining with the most recently uploaded. Hover over each information icon (help icon) for further details.

What's New

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Members only resource
This guide replaces PS046a and PS046b and offers advice on radiation employers seeking to consult and appoint a radiation protection adviser (RPA). 
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Members only resource
GL443 - WEEE Waste  (12 Aug 2025)
An introduction to Waste Electrical and Electronic Regulations (WEEE) Regulations which describes the disposal route for electrical equipment used in the laboratory. 
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Members only resource
A straight forward guide detailing how to safely use a fume cupboard.
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Members only resource
General guidance on laboratory and prep-room layout, sizing, ventilation, siting of storage and other services. Special connsideration is given to fume cupboards, dishwashers and refrigeration as well.. more
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Members only resource
Handbook - Preface  (11 Aug 2025)
Provides an overview and full index of all Laboratory Handbook sections.
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Members only resource
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
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Members only resource
A regularly updated list of contractors that will remove hazardous and other waste materials from schools. Includes brief advice on choosing the most appropriate. 
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Members only resource
Shattering a wine glass with sound waves
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Members only resource
A practical procedure for the well known experiment where a loudspeaker causes a nearby wine glass to shatter. Contains advice on getting the experiment to work reliably, and important safety informat.. more
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Members only resource
This activity is designed to demonstrate that water reaches its maximum density at 4°C. This unusual behaviour  relates to hydrogen bonding and explains why ponds freeze from the surface down and not .. more
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