Profile: Environmental Test Products develops a complete line of disposable bailers, well plugs, accessories & industrial cleanup products. Our environmental products include containment booms, poly & steel overpak and drum liners. We manufacture well plugs from recycled composite glass filled polymer that will not corrode and withstand repeated use. Our bailers feature a hydrodynamic design and wider spout opening enabling a fast sink rate while minimizing dissolved oxygen in the well sample. Well plugs are made from recycled composite glass filled polymer that will not corrode and has more surface area contact between its watertight rubber gasket & the well inner wall casing.