OR/16/028 Acknowledgements
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Beriro, D J, Field, L P and Cave, M R. 2016. Validation of a gravimetric PM2.5 impactor using particle sizing techniques. British Geological Survey Internal Report, OR/16/028. |
The authors thank DustScan Ltd for providing the necessary equipment and Tarmac Trading Ltd for allowing BGS access to their site at Ballidon Quarry for sample collection.