https://towardsdatascience.com/a-new-coefficient-of-correlation-64ae4f260310
https://towardsdatascience.com/the-5-basic-statistics-concepts-data-scientists-need-to-know-2c96740377ae
https://chemsec.org/why-high-levels-of-pfas-should-be-a-personal-injury-by-law/
https://www.hamiltonproject.org/assets/files/Environmental_Facts_FINAL.pdf