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(l) “Regional Water Board” means the California Regional Water Quality Control Board, San <br />Francisco Bay Region. <br />(m) “Remodel” means to make significant finish and/or structural changes that increase utility <br />and appeal through complete replacement and/or expansion. A removed area reflects <br />fundamental changes that include multiple alterations. These alterations may include some or all <br />of the following: replacement of a major component (cabinet(s), bathtub, or bathroom tile), <br />relocation of plumbing/gas fixtures/appliances, significant structural alterations (relocating walls, <br />and/or the addition of square footage). <br />3-23-300. Applicability <br />This Article applies to Applicants for buildings constructed or remodeled from January 1, 1950 <br />to December 31, 1980. <br />3-23-400. Exemptions <br />Applications for remodeling, partial building, wood framed structure, and single-family <br />residence demolition projects are exempt. <br />3-23-500. PCBs in Priority Building Materials Screening Assessment <br />Every Applicant for a building demolition permit shall conduct a PCBs in Priority Building <br />Materials Screening Assessment, a two-step process used to <br /> a. determine whether the building proposed for demolition is high priority for PCBs- <br /> containing building materials based on the structure age, use, and construction (i.e., <br /> whether the building is an Applicable Structure); and if so <br /> b. demonstrate the presence or absence and concentration of PCBs in Priority Building <br /> Materials through existing information or representative sampling and chemical analysis <br /> of the Priority Building Materials in the building. <br />Applicants shall follow the directions provided in the PCBs in Priority Building Materials <br />Screening Assessment Applicant Package (Applicant Package), which includes an overview of <br />the process, Applicant instructions, a process flow chart, a screening assessment form, and the <br />Protocol for Assessing Priority PCBs-Containing Materials before Building Demolition. Per the <br />Applicant Package, for certain types of buildings built within a specified date range, the <br />Applicant must conduct further assessment to determine whether or not PCBs are present at <br />concentrations ≥ 50 ppm. This determination shall be made via existing data on specific product <br />formulations (if available), or via conducting representative sampling of the priority building <br />materials and analyzing the samples for PCBs at a certified analytical laboratory. Any <br />representative sampling and analysis must be conducted in accordance with the Protocol for <br />Assessing Priority PCBs-Containing Materials before Building Demolition. The Applicant <br />Package shall provide all details. <br />3-23-600. Agency Notification, Abatement, and Disposal for Identified PCBs <br />230