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1 . 6 " POLLUTION " AND CERTAIN UNCONTESTABLE POLLUTION EVENTS DEFINED <br /> A. With respect to this Section and as maybe further defined in paragraphs 196 . 6 , 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 /> Be When the Discharge is Directly Into an Existing Water Body, Pollution Occurs When . . <br /> . An existing water body (including ditches and canals) is defined to be polluted by the <br /> CONTRACTOR's operations when at any time , the turbidity of the water immediately <br /> downstream of the CONTRACTOR' s discharge point(s) is at least 29 nephelometric <br /> turbidity units ( NTUs) higher than the turbidity of the background water upstream of the <br /> discharge point(s) . [See Fla . Administrative Code 62-302 . 530] Exception : When the <br /> discharge is directly into or through an outfall discharging into " Outstanding Florida <br /> Waters , " designated by Florida Statute 403 . 061 (27) , the turbidity of the discharged <br /> water cannot exceed the turbidity of the immediate, receiving water. The ENGINEER <br /> or OWNER shall determine the locations where the turbidity is measured . <br /> Co When the Discharge is not Directly Into an Existing Water Body, Pollution Occurs <br /> When . . . In some instances , dewatering water or stormwater runoff from the <br /> construction site or work area may reach a water body indirectly, such as after traveling <br /> through pipes or by overland flow. Before construction commences , the Contractor will <br /> measure background levels of total suspended solids (TSS) and turbidity, in the <br /> immediate vicinity of the discharge water's ultimate discharge point into the receiving <br /> water body. If the discharge water' s TSS and turbidity measurements exceed these <br /> pre-construction background values by 20 percent for TSS and 29 NTUs for turbidity, <br /> then the discharge from the CONTRACTOR's operations is defined to be polluted . <br /> D . Pollution Always Occurs When . . . The discharge from a construction site or work <br /> area is defined to be polluted whenever the pH of the discharge is less than 6 . 5 or <br /> greater 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 /> 1 . 7 PENALTIES FOR NONCOMPLIANCE WITH THIS SECTION <br /> A . In addition to the OWNER' s specific remedies , if erosion or pollution is caused by <br /> dewatering water or stormwater runoff from the construction site , the OWNER will <br /> 01025=7 Technical Specifications <br /> MkIMr1P1 PPr), IFrTR\1131 _IR Rlvri Racurfarinn 410 St to 53rd St-SEE PROJ 0927V1dmim\Contract <br />