The other 100 disinfection by-products in pool water, if you really want to worry. Some are known mutagens, meaning they cause mutations, which could lead to cancer. But one review found that even with all these chemicals, swimming pool water is about as mutagenic as drinking water.
Custodial Accounts. A custodial account is a bank or other financial account that a person opens for the benefit of another person, called the beneficiary. The person who opens the account is often the custodian -- the person who manages the account -- although it's also possible to name a third party as custodian.
IRA custodians charge various fees for services that they provide. Some even charge an annual IRA maintenance fee, which is sometimes called a custodial fee. An annual account fee for IRA accounts used to be the norm. These days, you are a sucker if you are paying any sort of annual fee for an IRA account.