@stuckonu- Good morning. A Superfund site is any land in the United States that has been contaminated by hazardous waste and identified by the EPA as a candidate for cleanup because it poses a risk to human health and/or the environment. These sites are placed on the National Priorities List (NPL).
TOXMAP FAQ: Superfund Archives
https://toxmap.nlm.nih.gov › toxmap › faq › superfund
You have been exposed to dangerous chemicals and should be tested. I woul run to get tested. Perhaps the assistant can recommend what tests and where to go. Good luck!