The manufacture of Polychlorinated Biphenyls (PCBs) was banned in 1977 due to environmental and human health concerns.

Sand in the water treatment plant filter also acts to adsorb and neutralize chemicals that cause taste and odor problems.

Which adds more mrem dose equivalent radiation?

The Iodine-131 (half-life of 8 days) released to the Pacific Ocean from the Fukushima incident in 2011 is likely to cause greater bioaccumulation in aquatic organisms than the Cesium-137 (half-life 30 years) that was also released.

____________ are easily released from plastic products such as plastic wrap and can leach into food products. In 2009 these were banned from use in children’s toys.

The only way radioactive wastes finally become harmless is through decay.

Organic molecules can be ______.

Risk Management is done after Risk Assessment.

Which is NOT true of ecosystems?    

A fungicide is a pesticide designed to control or destroy plants, weeds, or grasses.