Bedding and backfill for gravity grease interceptors shall be as specified in Env-Wq 1010.04, provided that "septic tank" shall be replaced with "gravity grease interceptor".
N.H. Admin. Code § Env-Wq 1012.04
Bedding and backfill for gravity grease interceptors shall be as specified in Env-Wq 1010.04, provided that "septic tank" shall be replaced with "gravity grease interceptor".
N.H. Admin. Code § Env-Wq 1012.04