1. (a) Subject to (e), below, the owner or operator shall perform the annual maintenance inspections required by Env-Or 504.04(b):

   1. (1) No later than September 30 of each calendar year; and
   2. (2) Subject to (b), below, no sooner than 10 months after the prior annual inspection.
2. (b) If a stage I test is done in lieu of an annual inspection as provided in (e), below, the owner or operator shall perform the next annual maintenance inspection no sooner than 10 months after the stage I test.
3. (c) The owner or operator shall document each annual maintenance inspection, including all findings and repairs made, with written or electronic records kept in accordance with Env-Or 506.04.

4. (d) During each annual maintenance inspection, the owner or operator shall:

   1. (1) Perform all inspections and maintenance specified in RSA 146-C:19, II, reprinted in Appendix D, for monthly inspections;
   2. (2) Replace or permanently plug each drain valve located in each spill bucket;
   3. (3) Verify that adaptor caps and dust covers are not in contact with overlying access covers; and
   4. (4) Ensure that the submerged fill tube has the clearance specified in Env-Or 503.01(b).
5. (e) An annual maintenance inspection shall not be required for any calendar year in which the stage I system successfully passes a stage I system test performed as specified in Env-Or 504.06 through Env-Or 504.09 prior to the due date of the annual inspection as specified in (a), above.

Source. (See Revision Note #1 and Revision Note #2 at chapter heading for Env-Or 500) #10229, eff 11-17-12; ss by #13458, eff 10-7-23