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A variety of field permeameters have been developed and are available in Ontario.
They have relative benefits and limitation in their use, and as they are proprietary devices, they each have manufacturers specific recommendations for their use.
==Examples==
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*[http://www.sewagesolutions.ca/permeameters.htm the CSSi Permeameter]
*[http://www.engtech.ca/products/pask-permeameter/ the ETC Pask Permeameter]
*[http://www.hoskin.ca/catalog/index.php?main_page=product_info&cPath=181_642_653&products_id=215 the Guelph Permeameter]