Risk Assessments
This folder contains the risk assessments for current laboratory methods. Copies of these risk assessments are posted on the lab notice board and these must be signed before commencing work in the labs. Please note that the guide to the COSHH assessments contained within these files can be found in the file "Key to COSHH"
- Carbonate removal RA.pdf
- Removal of carbonates from sediment using 10% HCL
- cladocera prep RA.pdf
- Preparation of samples for examination of Cladocera
- Core extrusion RA.pdf
- Extrusion of sediment cores
- diatom analysis RA.pdf
- Preparation of sediment samples for diatom analysis
- Diatom Slide Preparation RA.pdf
- Slide preparation using Naphrax
- freeze drier RA.pdf
- Use of the Freeze dryer
- Inorganic ash RA.pdf
- Preparation of sediment samples for the examination of inorganic ash spheres
- key to coshh.pdf
- Description of alphanumeric key to COSHH requirements
- Loss on Ignition RA.pdf
- Ignition of samples at 550 degrees C
- microspheres RA.pdf
- Addition of microspheres to diatom suspensions for quantitative analysis
- Particle size RA.pdf
- Particle size analysis using the pipette method. This risk assessment should also be signed by those preparing samples for sedigraph analysis
- Percentage Carbonate Content RA.pdf
- Ignition of samples at 950 degrees C to determine carbonate content. Risk assessments for Loss on Drying and loss on ignition should also be read and signed
- Percentage Dry Weight RA.pdf
- Percentage weight loss of sample when dried at 105 degrees C
- Pollen RA.pdf
- Preparation of sediment samples for examination of Pollen
- SCPs RA.pdf
- Preaparation of samples for examination of carbonaceous particles
- Slide preparation RA.pdf
- Preparation of SCP slides using naphrax