Section 30.542 - Operating Record(1) The owner or operator shall keep a written operating record at the premises of the facility, and it shall be readily accessible to personnel of the Department and the EPA.(2) The following information shall be recorded, as it becomes available, and maintained in the operating record until closure of the facility, or for at least three years after the information is recorded in the operating record of the facility, whichever period is longer:(a) A description and the quantity of each hazardous waste received, and the method(s) and date(s) of its treatment, storage, use or disposal at the facility.(b) The location of each hazardous waste type within the facility and the quantity at each location. For land disposal facilities, the location, quantity and EPA or Massachusetts hazardous waste number of each hazardous waste shall be recorded on a map or diagram of each cell or disposal area. For all facilities, this information shall include cross-references to specific manifest document numbers.(c) Records and results of waste analyses required by 310 CMR 7.08(4), 30.513, 30.560 or 30.629, and 40 CFR 268.4(a) and 268.7 as incorporated by reference at 310 CMR 30.750 with modifications.(d) Summary reports and details of all incidents that require implementing the contingency plan.(e) Records and results of inspections as required by 310 CMR 30.515.(f) For facilities which receive shipments of hazardous waste from off-site sources, notices to generators as required by 310 CMR 30.512.(g) Records, results of inspections, and monitoring, testing, or analytical data required for interim status facilities by 310 CMR 30.099(6)(f) through (j) and, for facilities subject to 310 CMR 30.800, by 310 CMR 30.606(3), 30.610, 30.620, 30.640, 30.650, 30.680, 30.690, and 30.750, as well as by the conditions of the facility's license in effect at that time.(h) A certification by the owner or operator no less often than once every 12 months that the facility has a program in place to reduce the volume and toxicity of hazardous waste that it generates to the degree determined by the owner or operator to be economically practicable; and the proposed method of treatment, storage or disposal is that practicable method currently available to the owner or operator which minimizes the present and future threat to public health, safety and welfare, and the environment.(i) Records of the quantities and date of placement for each shipment of hazardous waste placed in land disposal units pursuant to:1. an extension of the effective date of any land disposal restriction granted by EPA pursuant to 40 CFR 268.5; or2. the approval of a petition granted by EPA pursuant to 40 CFR 268.6; and3. the applicable notice and certification required by a generator pursuant to 40 CFR 268.7(a) as incorporated by reference at 310 CMR 30.750 with modifications.(j) For a facility that treats hazardous waste generated off the site of the facility, a copy of each certification and demonstration, if applicable, required of the generator or owner or operator pursuant to 40 CFR 268.7 as incorporated by reference at 310 CMR 30.750 with modifications.(k) For a facility that treats hazardous waste generated only at the site of the facility, the information, except the manifest number, contained in the notice, and the certification and demonstration, if applicable, required of the generator or the owner or operator pursuant to 40 CFR 268.7 as incorporated by reference at 310 CMR 30.750 with modifications.(l) For a land disposal facility that disposes of hazardous waste generated off the site of the facility, a copy of the notice, and the certification and demonstration if applicable, required of the generator or the owner or operator of a treatment facility pursuant to 40 CFR 268.7 as incorporated by reference at 310 CMR 30.750 with modifications.(m) For a land disposal facility that disposes of hazardous waste generated only at the site of the facility, the information, except for the manifest number, contained in the notice, and the certification and demonstration, if applicable, required of the generator or owner or operator of the treatment facility pursuant to 40 CFR 268.7 as incorporated by reference at 310 CMR 30.750 with modifications.(n) For a facility that stores hazardous waste generated off the site of the facility, a copy of the notice, and the certification and demonstration if applicable, required of the generator or the owner or operator pursuant to 40 CFR 268.7 as incorporated by reference at 310 CMR 30.750 with modifications.(o) For a facility that stores hazardous waste generated only at the site of the facility, the information, except the manifest number, contained in the notice, and the certification and demonstration, if applicable, required of the generator or the owner or operator pursuant to 40 CFR 268.7 as incorporated by reference at 310 CMR 30.750 with modifications.Amended by Mass Register Issue 1404, eff. 11/15/2019.