If a grease interceptor is just not properly set up or maintained it will not do its work! For your individual assurance, DEP demands that only licensed plumbers install grease interceptors. Reassembly and testing: After cleaned and inspected, the grease trap is reassembled and analyzed to make sure correct working. https://bestschoolsinbhopal33321.mybjjblog.com/the-fact-about-emergency-grease-trap-cleaning-that-no-one-is-suggesting-45704819