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HOW IT WORKS
Placing Sampler
HydraSleeve is lowered into place and positioned in the well screen. Water pressure keeps bag collapsed and check valve closed, preventing water from entering sampler. Well is allowed to return to equilibrium. |
Sample Collection
HydraSleeve fills when the check valve is moved upward faster than 1 fps. It fills by continuous upward movement. When moving upward, the check valve opens and fluid flows into the bag. There is no change in well water level and minimum sample agitation during collection. |
Sample Retrieval
Flexible bag is full and check valve closed. Sampler is recovered without entry of extraneous, over-lying fluids. Note: Several HydraSleeves may be stacked on the suspension cable for vertical profiling. |
METHODS OF SAMPLING WITH THE HYDRASLEEVE
HydraSleeve No-Purge Sampling • Passive Ground Water Sampling
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