contaminants

Catellus redeveloped the 200-acre former Pacific Refinery Co. near San Francisco into a residential subdivision called Victoria by the Bay in 2003, a process that involved the removal of contaminants, real estate data provider CoStar said.

"In principle having materials such as wood which can burn up more easily would reduce certainly those metallic contaminants... But you may end up taking more material with you in the first place just to burn it up on the way down."

Scientists believe that it evolved to protect human beings from invisible contaminants such as pathogens and parasites.

He’s run a series of studies showing that some portion—often a relatively small fraction—of these goods do have contaminants like bromine, lead, mercury, and antimony in them.

In one experiment, researchers boiled pieces of black spatula that had been identified to have “elevated” levels of contaminants, in 320 F degree oil for 15 minutes and then looked to see how many of these chemicals were present in the oil.