secure landfill

Directory

References

Discover

Black widow spider

9 of the World’s Deadliest Spiders

Statue of Nostradamus

Nostradamus and His Prophecies

Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)

New Seven Wonders of the World

Aphrodite. Greek mythology. Sculpture. Aphrodite is the Greek goddess of love and beauty.

12 Greek Gods and Goddesses

The Cheshire Cat is a fictional cat from Lewis Carroll's Alice's Adventures in Wonderland. (Alice in Wonderland)

11 Banned Books Through Time

cloning. First cloned cat. First cloned companion animal. CC (copy cat) female domestic shorthair cat (b. Dec. 22, 2001) photo Jan. 18, 2002. Cloned at Texas A&M Univ. College of Vet. Med. & Biomedical Sciences. Reproductive cloning genetics DNA cc cat

CC, The First Cloned Cat

secure landfill

waste disposal

Learn about this topic in these articles:

hazardous waste disposal

In hazardous-waste management: Secure landfills
…must be deposited in so-called secure landfills, which provide at least 3 metres (10 feet) of separation between the bottom of the landfill and the underlying bedrock or groundwater table. A secure hazardous-waste landfill must have two impermeable liners and leachate collection systems. The double leachate collection system consists of…
Read More

land pollution

In land pollution
…of by burial in “secure landfills,” while liquid hazardous waste can be disposed of underground in deep-well injection systems if the geologic conditions are suitable. Some hazardous wastes such as dioxins, PCBs, cyanides, halogenated organics, and strong acids are banned from land disposal in the United States, unless they…
Read More