Slurry Lagoon Liners for manure storage on farms. Nitrate Vulnerable Zones (NVZs) and slurry storage. The European Commission (EC) nitrates directive requires areas of land that drain into waters polluted by nitrates to be designated as Nitrate Vulnerable Zones (NVZs).

WaterGems (Alba) Ltd is a specialist designer and builder of water-related work; from small garden ponds through to large-scale commercial projects such as wetland and habitat creation. Their water-based projects include:

Geomembrane Resistant Moderately Resistant Non-Resistant Arsenic acid X Arsenic tri-oxide X Arsenic tri-sulfide X Barium chloride X Barium hydroxide X

The Pond Liner used was 1.0mm Firestone EPDM Pondgard. Several of our largest 30m x 15m sheets were joined in-situ. You will note the use of the Firestone QuickSeam products to join the pond liner sheets and to create the inlet/outlet terminations.

`Butyl Liner 72612`. Black coloured, calendared butyl rubber sheet material. Shore hardness 60. Tested in-radius size 0.5mm. For use with water up to 23°C. ... Tel:+44(0)333 207 9030 Fax:+44(0)1495 248 540 Email:info@wras.co.uk website:www.wras.co.uk. WRAS MATERIAL APPROVAL - MATERIALS WHICH HAVE PASSED FULL TESTS OF EFFECT ON WATER …

Gordon Low Products Ltd. Sheet Specification Butyl Rubber Lining Material Test Unit Requirement British Standard Hardness 0IHR 65+5 BS 903 A26 Tensile Strength MPa / Kg/cm2 Min 7.5 / 75 BS 903 A2 Elongation at Break % Min. 300 BS 903 A2

FirestoneInstallation Thefollowinginformationisintendedasanoverviewofprocesses andtechniquesusedinthedesign,installationandcommissioningof ponds,lakesandwaterscapes ...