ThegrowthofinfluentC/Nand C/Pinhibited the proliferation of the activatedsludge by decreasing the influent TN and TPconcentration and thereby inhibited the phosphorusreleaseand uptakerates.
Next month, Mr. Obama will try to use the first U.N. review of the Non-Proliferation Treaty in five years to toughen the treaty and isolate two of its scofflaws, Iran and North Korea.
Since then, the North has kicked out U.N. nuclear inspectors, pulled out of the nuclear Non-Proliferation Treaty, continued to warn it might drop out of an armistice that stopped the 1953 Korean War and has resume missile test firings.