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Bladder pumps provide consistent, accurate, reliable groundwater samples in all applications. Ensuring no air/water contact during operation, bladder pumps are ideal for VOC sampling. Inexpensive polyethylene bladders are available and great for sampling multiple wells; Teflon? bladders are ideal for dedication. Bladder pumps are effective even in angled boreholes, to depths of 500 feet. They are EPA-accepted for low flow sampling, and have proven to deliver superior sample accuracy and precision in dozens of independent studies.
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