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agencies. Submit the approved SWPPP to the ENGINEER before beginning <br /> construction. Include in the SWPPP, the "Contractor's Affidavit Regarding Erosion <br /> Control and Treatment of Dewatering Water and Stormwater From Construction <br /> Activities" (located at the end of this Section). <br /> 1.6 "POLLUTION"AND CERTAIN UNCONTESTABLE POLLUTION EVENTS DEFINED <br /> A. With respect to this Section and as may be further defined in paragraphs 1.6.13, 1.6.C, <br /> and 1.6.D, "pollution" is the presence in off-site waters of any substances, <br /> contaminants, or manmade or human-induced impairment of off-site waters or <br /> alteration of the chemical, physical, biological, or radiological integrity of off-site water <br /> in quantities or at levels which are or may be potentially harmful or injurious to human <br /> health or welfare, animal or plant life, or property. Pollutants to be removed include but <br /> are not limited to, sediment and suspended solids, solid and sanitary wastes, <br /> phosphorus, nitrogen, pesticides, oil and grease, concrete truck washout, stucco mixer <br /> washout, curb machine washout, washout from other construction equipment, <br /> construction chemicals, and construction debris. <br /> B. When the Discharge is Directly Into an Existing Water Body An existing water body <br /> (including ditches and canals) is defined to be polluted by the CONTRACTOR's <br /> operations when at any time, the turbidity of the water immediately downstream of the <br /> CONTRACTOR's discharge point(s) is at least 29 nephelometric turbidity units(NTUs) <br /> higher than the turbidity of the background water upstream of the discharge point(s). <br /> [See Fla. Administrative Code 62-302.530] Exception: When the discharge is directly <br /> into or through an outfall discharging into"Outstanding Florida Waters,"designated by <br /> Florida Statute 403.061(27), the turbidity of the discharged water cannot exceed the <br /> turbidity of the immediate receiving water. The ENGINEER or OWNER shall <br /> determine the locations where the turbidity is measured. <br /> C. When the Discharge is not Directly Into an Existing Water Body In some instances, <br /> dewatering water or stormwater runoff from the construction site or work area may <br /> reach a water body indirectly, such as by overland flow. If the discharge water's TSS <br /> and turbidity measurements exceed pre-construction background values by 20 percent <br /> for TSS and 29 NTUs for turbidity, then the discharge is defined to be polluted. <br /> D. When Pollution Always Occurs The discharge from a construction site or work area is <br /> defined to be polluted whenever the pH of the discharge is less than 6.5 or greater <br /> than 8.5, or whenever any of the following is present in the discharge water: <br /> (1) Hazardous waste or hazardous materials in any quantity, <br /> (2) Any petroleum product or by-product in any quantity, <br /> (3) Any chemical in any quantity, or <br /> (4) Concentrated pollutants. <br /> E. Above paragraphs 1.6.13, 1 6.C, and 1 6.D do not in any way, limit the types of <br /> conditions in which pollution may be determined to occur. <br /> 01025-16 Technical Specifications <br /> F\Public Works\ENGINEERING DIVISION PROJECTS\1425-S County Park-General Use Field\Admin\bid documents\Master Contract <br /> Documents\Technical Specifications.doc <br />