StacksVerified U.S. regulatory reference

40 CFR Part 310, Appendix II

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov

National Response Center | (800) 424-8802

EPA Regional Phone Numbers: |

Region I (ME, NH, VT, MA, RI, CT)(617) 723-8928
Region II (NJ, NY, PR, VI)(800) 424-8802
Region III (PA, DE, MD, DC, VA, WV)(215) 814-3255
Region IV (NC, SC, TN, MS, AL, GA, FL, KY)(404) 562-8700
Region V (OH, IN, IL, WI, MN, MI)(312) 353-2318
Region VI (AR, LA, TX, OK, NM)(866) 372-7745
Region VII (IA, MO, KS, NE)(913) 281-0991
Region VIII (CO, UT, WY, MT, ND, SD)(303) 293-1788
Region IX (AZ, CA, NV, AS, HI, GU, TT)(800) 300-2193
Region X (ID, OR, WA, AK)(206) 553-1263

[63 FR 8286, Feb. 18, 1998, as amended at 70 FR 56577, Sept. 28, 2005]