I don't give a f... on RoHS. I like lower temperature solder and solder that does not produce whiskers causing shorts (ark NASA which solder is used for space equipment :-D )
EPA? Not in my country (still can buy MEK thinner, 30% H2O2, ...).
BTW, do you know that the life will kill you :grin:
There are some of best solder Tips like GUM Stimulator Permanent Handle with Rubber Tip,Weller ST7 WLC100,SP40L / SP40N and WP25, WP30, WP35 Irons Tips, Apex Tool Group 7250W Replacement Soldering Gun Tip. You can use these tips and hope may not face such issues again.