Recent testings by people in Washington state from hair samples and soil samples tested high in Vanadium. The spraying of mycoplasm is a prime for the rest of this stuff, apparently mycoplasm mixed with vanadium/ ROFA/RESIDUAL OIL FLY ASH cause microbes to thrive https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4290844/ and this paper clearly states that Epidemiologic studies have demonstrated increased human morbidity and mortality with elevations in the concentration of vanadium/ ROFA/RESIDUAL OIL FLY ASH https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1241150/