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Since the start of that invasion in February 2022, Russia has made more than three times as much money by exporting hydrocarbons than Ukraine has received in aid allocated by its allies.

Another had high levels of a class of contaminants called polycyclic aromatic hydrocarbons, which can cause headaches, coughing, skin irritation and, over long periods of exposure, can come with an increased risk of cancer.

In the Palisades burn area, tests found little contamination beyond some isolated “hot spots” of heavy metals and polyaromatic hydrocarbons, Roux’s vice president and principal scientist Adam Love said last week.

Both areas were tested for metals, nutrients, polychlorinated biphenyls and polycyclic aromatic hydrocarbons, which are all chemicals that may be found in water runoff based on previous California wildfires, officials said.

The organization also sampled 25 different polycyclic aromatic hydrocarbons, organic compounds that form when oil, wood or garbage burns.