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A slideshow of whales in geomembrane lining systems. When gas gets under a geomembrane, bubbles–or, “whales”–can form. A number of reasons may be responsible, such as installation damage, poor seaming, or a lack of appropriate construction quality assurance (CQA) measures like liner integrity surveys.
Whales can impact wastewater facilities, manure lagoons, effluent ponds, and other lined installations.
The occurrence of whales in a lining system is rare. BUT: They can be extremely expensive to correct. Proper design, installation, and CQA should always be used.