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<br />SECTION H. PROHIBITIONS
<br />No user shall contribute or cause to be contributed, directly or indirectly, any waste or
<br />wastewater which, acting alone or in conjunction with- other substances present in the
<br />POTW, shall cause interference with the operation or performance of the POTW or
<br />otherwise pass through the POTW. These general prohibitions apply to all users of the
<br />municipal wastewater system whether or not the user is subject to Categorical Pretreatment
<br />Standards or any other national, State or local pretreatment standards or requirements.
<br />Furthermore, no user may contribute the following substance to the system as defined in
<br />40 CFR 403.5 (b)(1):
<br />1. Any liquid, solids or gases which, by reason of their nature or quantity are, or may
<br />be, sufficient, either alone or by interaction with other substances, to cause fire or
<br />explosion or be injurious in any other way to the municipal wastewater system.
<br />Included in this prohibition are wastestreams with a closed cup flashpoint of less than
<br />150°F (60°C). At no time shall two successive readings on an explosion hazard
<br />meter at the point of discharge into the system or at any point in the system be more
<br />than five percent (5%) nor any single reading over ten percent (10%) of the lower
<br />explosive limit (LEL) of the meter.
<br />Volatile materials which are prohibited at concentrations higher than State or Federal
<br />drinking water standards include, but are not limited to, alcohols, aldehydes, benzene,
<br />bromates, carbides, chlorates, ethers, gasoline, hydrides, kerosene, ketones, naphtha.
<br />perchlorates, peroxides, sulfides, toluene, xylene, and any other substances which
<br />constitute a fire hazard or a hazard to the system.
<br />2. Solid or viscous substances in amounts which will cause interference with the flow
<br />in a sewer but in no case solids greater than one-half inch (1/2") (1.27 centimeters)
<br />in any dimension.
<br />3. Any wastewater having a pH less than 5.5 or more than 9.0, or which may cause
<br />corrosive damage to the system, County personnel or equipment.
<br />4. Any wastewater containing pollutants in sufficient quantity (flow or concentration),
<br />either singly or by interaction with other pollutants, to pass through or interfere with
<br />the municipal wastewater system, any wastewater treatment or sludge process, or
<br />constitute a hazard to humans or animals.
<br />5. Any noxious or malodorous liquid, gases or solids or other wastewater which, either
<br />singly or by interaction with other wastes, are sufficient to create a public nuisance
<br />or hazard to life or are sufficient to prevent entry into the sewers for maintenance and
<br />repair.
<br />E.V653\REP0R7\0RD1NANC.11
<br />A. General Prohibitions
<br />and
<br />Limitations.
<br />No user shall contribute or cause to be contributed, directly or indirectly, any waste or
<br />wastewater which, acting alone or in conjunction with- other substances present in the
<br />POTW, shall cause interference with the operation or performance of the POTW or
<br />otherwise pass through the POTW. These general prohibitions apply to all users of the
<br />municipal wastewater system whether or not the user is subject to Categorical Pretreatment
<br />Standards or any other national, State or local pretreatment standards or requirements.
<br />Furthermore, no user may contribute the following substance to the system as defined in
<br />40 CFR 403.5 (b)(1):
<br />1. Any liquid, solids or gases which, by reason of their nature or quantity are, or may
<br />be, sufficient, either alone or by interaction with other substances, to cause fire or
<br />explosion or be injurious in any other way to the municipal wastewater system.
<br />Included in this prohibition are wastestreams with a closed cup flashpoint of less than
<br />150°F (60°C). At no time shall two successive readings on an explosion hazard
<br />meter at the point of discharge into the system or at any point in the system be more
<br />than five percent (5%) nor any single reading over ten percent (10%) of the lower
<br />explosive limit (LEL) of the meter.
<br />Volatile materials which are prohibited at concentrations higher than State or Federal
<br />drinking water standards include, but are not limited to, alcohols, aldehydes, benzene,
<br />bromates, carbides, chlorates, ethers, gasoline, hydrides, kerosene, ketones, naphtha.
<br />perchlorates, peroxides, sulfides, toluene, xylene, and any other substances which
<br />constitute a fire hazard or a hazard to the system.
<br />2. Solid or viscous substances in amounts which will cause interference with the flow
<br />in a sewer but in no case solids greater than one-half inch (1/2") (1.27 centimeters)
<br />in any dimension.
<br />3. Any wastewater having a pH less than 5.5 or more than 9.0, or which may cause
<br />corrosive damage to the system, County personnel or equipment.
<br />4. Any wastewater containing pollutants in sufficient quantity (flow or concentration),
<br />either singly or by interaction with other pollutants, to pass through or interfere with
<br />the municipal wastewater system, any wastewater treatment or sludge process, or
<br />constitute a hazard to humans or animals.
<br />5. Any noxious or malodorous liquid, gases or solids or other wastewater which, either
<br />singly or by interaction with other wastes, are sufficient to create a public nuisance
<br />or hazard to life or are sufficient to prevent entry into the sewers for maintenance and
<br />repair.
<br />E.V653\REP0R7\0RD1NANC.11
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