Type of Pump and Pump Operation
How do you deal with VOC volatilization in low water volume wells as a result of temperature increase caused by a pump heating up in the water?
What are the differences in VOC concentrations observed between low-flow and passive diffusion devices?
What do you do with a water table that’s greater than 30 feet but you can’t use a peristaltic pump?
When using 4-inch wells does the well width have an effect on low-flow sampling?
Do bladder pumps need to be replaced, how often, and how can you tell?
Is there a company that makes a bladder pump that will operate in a ½-inch well?
What type of pump is recommended for collecting low-flow samples from depths greater than 30 feet?
What types of low-flow pumps are best when testing for VOCs?
Is there a preference in low flow sampling of using peristaltic pumps or bladder pumps?
Does QED manufacture a portable bladder pump for use in half-inch wells?
Are 12-volt submersible pumps acceptable for low flow sampling?
Is using polypropylene tubing less effective than using Teflon?
I am getting varying results between different brands of sampling equipment.
Which is better Teflon or Poly bladders?
Can you use a peristaltic pump for low flow VOC sampling?
Can you recommend a low flow sampling pump for small diameter (1-2 inch) wells?
How does the 3 cm per second limitation affect water velocity entering pump?
Is sorption a problem using polyethylene tubing for low flow sampling at gasoline hydrocarbon sites?



