State PHLs | CT, MA, ME, NH, NY (PHL, AG), RI, VT (PHL, AG, CHEM), NJ | MT, ND, SD, WY, ID | AL, FL, GA, KY, LA, MS, NC, SC, TN | DE, DC, OH, PA (PHL, EH), VA, WV | AR, IA, IL, IN, KS, MN, MI, MO, NE, OK (PHL, EH), WI | CA, OR, WA, AK, HI, NV | AZ, CO, NM, UT, TX |
Governance | Chair annual rotation, rotating venue | Led by MT, rotating venue | Rotating chair, rotating venue | Rotating chair monthly | Chair/Co-Chair annual rotation | Chair/Co-Chair annual rotation | Chair/Co-Chair annual rotation |