| policies, objectives, and implementation actions 
<br />providing further definition. 
<br />Goods movement. The transport of products from 
<br />their manufacturing origin to their final destination 
<br />where they will be sold, stored, or used. Moving 
<br />goods involves airplanes, ships, trains, and trucks. 
<br />Grade separation. A bridge or tunnel for a highway, 
<br />road, or railroad that allows pedestrians, bicyclists, 
<br />or even cars to cross a major roadway without 
<br />conflict or delay for a signal light. Without grade 
<br />separations, vehicles, and bicycles, and pedestrians 
<br />must physically cross tracks. 
<br />Greywater/graywater. Wastewaterthatisgenerated 
<br />in residential buildings, excluding sewage, such as 
<br />gently used water from bathroom sinks, showers, 
<br />tubs, and washing machines. The wastewater 
<br />generated by toilets, kitchen sinks, and dishwashers 
<br />is called blackwater due to its larger organic load 
<br />(fecal or organic matter). 
<br />Groundwater. Water under the earth's surface, 
<br />often mapped as basins and confined to aquifers 
<br />capable of supplying wells and springs. 
<br />Groundwater recharge. The natural process of 
<br />infiltration and percolation of rainwater from land 
<br />areas orstreams through permeable soils into water - 
<br />holding rocks that provide underground storage 
<br />in aquifers. This process can also be conducted 
<br />artificially by capturing and injecting surface water 
<br />or recycled water into aquifers. 
<br />Ground Failure. Mudslide, landslide, liquefaction, or 
<br />the seismic compaction of soils. 
<br />I 
<br />Harmony. A quality that represents and appropriate 
<br />and congruent arrangement of parts, as in an 
<br />arrangement of varied architectural and landscape 
<br />elements. 
<br />Hazardous materials. Materials or wastes that 
<br />either cause or contribute to an increase in mortality, 
<br />Ir is ./..•• CITY OF SANTA ANA GENERAL PLAN 
<br />serious illness, or otherwise pose a substantial treat,,,, 
<br />to human or environmental health when improperly 
<br />managed. 
<br />Hazardous waste facilities. Carefully designed off - 
<br />site facilities accepting hazardous wastes for storage 
<br />or treatment. 
<br />Heliport. An identifiable area on land or water, 
<br />including any building or facilities thereon, used or 
<br />intended to be used for the landing and takeoff of 
<br />helicopters. Does not include temporary landing and 
<br />takeoff sites. Refueling and overnight maintenance 
<br />are permitted. 
<br />Helistop. An identifiable area on land or water, 
<br />including any building or facilities thereon, used or 
<br />intended to be used for the landing and takeoff of 
<br />helicopters. Does not include temporary landing and 
<br />takeoff sites. Refueling and overnight maintenance 
<br />are not permitted. 
<br />Historic resources. Buildings, structures, sites, or 
<br />districts that are considered of particular historical 
<br />and/or cultural significance. Generally, such 
<br />resources are listed on a local, state, or federal 
<br />register. 
<br />Historic treatment. The memorial ization, 
<br />preservation, reconstruction, rehabilitation, or 
<br />restoration of a historic resource. 
<br />- Historic memorialization. Permanent recognition 
<br />of an important historical resource through such 
<br />means as a physical plaque or official designation. 
<br />- Historic preservation. A treatment for a historic 
<br />building or landscape that focuses on the 
<br />maintenance and repair of existing historic materials 
<br />and retention of a property's form as it has evolved 
<br />over time. 
<br />- Historic reconstruction. A treatment for a historic 
<br />building or landscape that re-creates vanished or 
<br />non -surviving portions of a propertyfor interpretive 
<br />purposes. 
<br />- Historic rehabilitation. A treatment for a historic-,,,,' 
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