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A double-walled pipe is a secondary contained piping system. It is a pipe within a pipe, or encased in an outer covering, with an annulus (interstitial space) between the two diameters. The inner pipe is the primary or carrier pipe and the outer pipe is called the secondary or containment pipe.
Acid storage tanks inside a brick bund wall. Bunding, also called a bund wall, is a constructed retaining wall around storage "where potentially polluting substances are handled, processed or stored, for the purposes of containing any unintended escape of material from that area until such time as a remedial action can be taken."
The changes established federal requirements that are similar to key portions of the Energy Policy Act of 2005. In addition, EPA added new operation and maintenance requirements and addressed UST systems deferred in the 1988 UST regulation. The changes: Added secondary containment requirements for new and replaced tanks and piping
Fuel bladder with secondary spill containment. Secondary spill containment is the containment of hazardous liquids in order to prevent pollution of soil and water.Common techniques include the use of spill berms to contain oil-filled equipment, fuel tanks, truck washing decks, or any other places or items that may leak hazardous liquids.
Researchers at the University of Colorado Anschutz Medical Campus received up to $46 million in a grant to help develop an innovative treatment to cure blindness.
Last year, close to 26,000 students took the exam with just over 4,000 offered a seat. Of that, 4.5% of offers went to Black students and 7.6% to Latino students, according to city data.
Anyone who’s seen December classics like “Home Alone” or “National Lampoon’s Christmas Vacation” knows that holiday decor can pack a punch: Tree baubles turn to glass-shard booby traps ...
The agent is destroyed by subsequent neutralization. The U.S. Army's Explosive Destruction System (EDS), is an example. Thermal destruction – uses the heat of the electrically heated containment vessel to deflagrate the munition and destroy the agent and energetics. The resulting gases are treated in an off-gas treatment system.