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The proceedings of the international conference Tunnelling Asia 2000. The papers cover such topics as rock mass classification, rock mass analysis, highway tunnels and underground storage, as well as metro tunnelling.

Benzo [a] pyrene (BaP), a pentacyclic aromatic hydrocarbon is highly recalcitrant (half life in contaminated soil is 229->1,400 days) and the most potent carcinogen affecting mammalian metabolism causing asthama, anemia, splenomegaly, bladder, breast and lung cancer. The presence of BaP in contaminated soils, water, and air continues to pose significant problems. Of the processes, whereby the contaminant BaP is removed from the environment, microbial degradation plays a major role in the decontamination of sediment and surface soils. This book, therefore provides information regarding the...

From an initial caution and skeptics, Azadirachta indica has now been universally accepted as a wonder tree. The ever new information been generated on it in modern format of science is only confirming the writings enshrined in the ancient Indian literary classics. In the last three decades, A.indica has attracted the attention of scientific community through out the world and has attained a pride place in national and international literature.