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Stormwater Pollution Prevention Plan has been submitted to the ENGINEER . <br /> The CONTRACTOR shall complete the certification provided at the end of this <br /> Section and it shall be a part of the Stormwater Pollution Prevention Plan . <br /> 1 . 6 " POLLUTION " AND CERTAIN UNCONTESTABLE POLLUTION EVENTS DEFINED <br /> A . Except as may be defined otherwise in paragraphs 1 . 6 . 13 , 1 . 6 . C , and 1 . 6 . D , <br /> " pollution " is the presence in off-site waters of any substances , contaminants , or <br /> manmade or human - induced impairment of waters or alteration of the chemical , <br /> physical , biological , or radiological integrity of water in quantities or at levels <br /> which are or may be potentially harmful or injurious to human health or welfare , <br /> animal or plant Fife , or property . Pollutants to be removed include but are not <br /> limited to , sediment and suspended solids , solid and sanitary wastes , <br /> phosphorus , nitrogen , pesticides , oil and grease , concrete truck washout , <br /> construction chemicals , and construction debris . <br /> B . When the Discharge is Directly Into an Existing Water Body , Pollution Occurs <br /> When . . . An existing water body (including ditches and canals) is defined to <br /> be polluted by the CONTRACTOR' s operations when at any time , the turbidity <br /> of the water immediately downstream of the CONTRACTOR' s discharge <br /> point(s) is 29 nephelometric turbidity units ( NTUs) higher than the turbidity of <br /> the background water upstream of the discharge point(s) . [See Fla . <br /> Administrative Code 62 - 302 . 5301 The ENGINEER or OWNER shall determine <br /> the locations where the turbidity is measured . <br /> C . When the Discharge is not Directly Into an Existing Water Body , Pollution <br /> Occurs When . . . In some instances , dewatering water or stormwater runoff <br /> from the construction site or work area may reach a water body indirectly , such <br /> as after traveling through pipes or by overland flow . Before construction <br /> commences , the OWNER or ENGINEER will measure background levels of <br /> total suspended solids (TSS) and turbidity , in the immediate vicinity .of the <br /> discharge water' s ultimate discharge point into the receiving water body . If the <br /> discharge water' s TSS and turbidity measurements exceed these pre- <br /> construction background values by 29 NTUs for turbidity , then the discharge <br /> from the CONTRACTOR' s operations is defined to be polluted . <br /> D . Pollution Always Occurs When . . . The discharge is defined to be polluted <br /> 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 /> 01025-7 Technical Specifications <br /> FAEngineering\Capital Projects\0217-Powerline Road\Bid Documents\Technical Specifications .doc <br />