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Health Department. The Hazardous Material Business Plan must be prepared by any facility that handles a hazardous material, or mixture containing a hazardous material, of a quantity at any one time during the reporting year equal to or greater than 55 gallons for liquids, 500 pounds for solids, or 200 cubic feet for a compressed gas. None of the proposed land uses would involve any substantial use of hazardous materials, or any uses that would trigger Hazardous Material Business Plan requirements. Project impacts related to transport, use, or storage of hazardous materials would be less than significant. b) Release of Hazardous Materials by Upset or Accident. Construction activities on the project site may involve the use of hazardous materials such as fuels and solvents, and thus create a potential for hazardous material spills during the construction process. Construction and maintenance vehicles would transport and use fuels in ordinary quantities. Fuel spills, if any occur, would be minimal and localized and would not typically have significant adverse effects. Potential hazardous materials spills during construction are addressed in the required SWPPP, described in Section 3.7, Geology and Soils. In accordance with SWPPP requirements, contractors have absorbent materials at construction sites to clean up minor spills. Other substances used in the construction process would ordinarily be stored in approved containers and used in relatively small quantities, in accordance with the manufacturers' recommendations and/or applicable regulations. As noted in a) above, project operations would not involve the transport, use, or storage of hazardous materials in substantial quantities. Any releases of these materials are not expected to be in quantities large enough to pose a threat to human health and the environment. Overall, impacts related to releases of hazardous materials would be less than significant. c) Release of Hazardous Materials near Schools. The nearest school to the project site is Hamilton Elementary School, on 2245 East 11th Street within one-quarter mile of the project site. However, as noted in b) above, project construction and operations would not require the handling or transport of acutely hazardous materials or waste in amounts that would endanger schools or the public. The project would not produce hazardous emissions. The use of small quantities of hazardous materials during project construction would be limited to the project site. The project would have no impact related to hazardous material releases near schools. d) Hazardous Materials Sites. As previously noted, a search of the GeoTracker and EnviroStor databases, along with SWRCB lists, did not identify any active hazardous material sites on or near the project site. However, the project site has been in agricultural use until recently, and past agricultural activities may have left residues of agricultural chemicals in the soils, which are a potential hazard to future residents and construction workers if residue concentrations are at a level that can affect human health. This is of particular concern for a residential project, as residents could potentially be exposed to these residues. Agricultural chemicals are typically applied in dilute concentrations, and most degrade Pock Lane Public Review Draft IS/MND 3-40 May 2022