Section 30.698 - Special Requirements for Ignitable, Reactive, and Incompatible Hazardous Wastes, and Hazardous Wastes That Are Polyhalogenated Aromatic Hydrocarbons(1) Ignitable or reactive waste shall not be placed in a tank unless: (a) The waste is treated before or immediately after placement in the tank so that the resulting waste is no longer ignitable or reactive hazardous waste pursuant to 310 CMR 30.122 or 30.124, and 30.560(3) is complied with; or(b) The waste is stored or treated in such a way that it is protected from any material or conditions which might cause the waste to ignite or react; or(c) The tank is used solely for emergencies.(2) The owner or operator of a facility which treats or stores ignitable or reactive waste in covered tanks shall comply with the National Fire Protection Association's (NFPA) buffer zone requirements in tables 2-1 through 2-6 of the Flammable and Combustible Code, 1981 and with the tank location requirements of 527 CMR 1.05: Modifications to NFPA 1 - 2012 Edition.(3) Incompatible hazardous wastes or materials incompatible with hazardous waste (see 310 CMR 30.561 for examples) shall not be placed in the same tank unless 310 CMR 30.560(3) is complied with.(4) Hazardous waste shall not be placed in an unwashed tank which previously held an incompatible waste or material unless 310 CMR 30.560(3) is complied with.(5) If tanks holding polyhalogenated aromatic hydrocarbons are to be located or used at the facility, the following requirements, in addition to any other set forth in 310 CMR 30.000, shall be complied with: (a) Each such tank shall have a system designed and operated to detect and contain spills, leaks, or other releases from each such tank. The Department may approve the design and operation of such a system only if, after considering at least the following criteria, the Department determines that such approval is in accordance with provisions set forth in 310 CMR 30.810 through 30.814. 1. the capacity of each such tank.2. the volume and characteristics of the waste stored or treated in each such tank.3. the method used for the collection of spills, leaks, or other releases from each such tank.4. the construction materials used for each such tank and for the system.5. the method used to prevent precipitation and run-on from entering the system.(b) The facility's contingency plan shall include the following: 1. procedures for responding to spills or leaks of polyhalogenated aromatic hydrocarbons into the containment system.2. procedures for removing polyhalogenated aromatic hydrocarbons from the containment system.3. procedures for repairing or replacing leaking tanks.Amended by Mass Register Issue 1278, eff. 1/16/2015.