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1. An interceptor shall be installed in a user’s building sewer when in the opinion of the director it is necessary for the proper handling of wastewater containing grease or oil in excessive amounts, sand, grit or other harmful substances; except that such interceptors shall not be required for buildings used solely for residential purposes. Provided, however, that interceptors shall be constructed in any place or building having a capacity to serve group meals and in commercial and industrial cleaning facilities.
Where the director requires the installation of an interceptor by a user who is neither an SIU nor a CIU, the user shall also be required to obtain a pollution prevention permit. Typical users required to install an interceptor and obtain a pollution prevention permit include, but are not limited to, restaurants, cafes, lunch counters, cafeterias, bars and clubs; hotels, hospitals, sanitariums, factory or school kitchens, equipment repair shops, service stations, and other establishments where grease, oils, sand, or grit may be introduced into the city’s sanitary sewer system in quantities that can obstruct the sewer or hinder wastewater treatment or private wastewater disposal.
2. All interceptors shall be of a type and capacity approved by the director and shall be so located as to be readily and easily accessible for cleaning and inspection. Interceptors shall be constructed of impervious materials capable of withstanding abrupt and extreme changes in temperature. They shall be of substantial construction, water-tight and equipped with easily removable covers which, when bolted in place, are gas- and water-tight. All interceptors shall be maintained by the user, at the user’s expense, in continuously efficient operation at all times.
3. Each user shall regularly inspect, clean, and repair interceptors. Records of inspections, cleaning and repairs, and the costs associated with these actions shall be kept for a minimum of three (3) years and be made available for inspection by city personnel upon request. Debris from interceptors shall be disposed of through a licensed waste hauler. Waste disposal records, including receipts, shall be kept for a minimum of three (3) years and be made available for inspection by city personnel upon request.
4. All interceptors shall comply with the following standards:
a. Plans shall be submitted to and approval obtained from the director prior to the installation of any interceptor.
b. All drains from kitchen areas including pre-wash shall be connected to an interceptor. Toilets, lavatories and other sanitary fixtures shall not be connected to any interceptor.
c. All fixtures discharging into an interceptor shall be individually trapped and vented in a manner approved by the director.
d. Each interceptor shall be so installed and connected that it shall be at all times easily accessible for inspection, cleaning, and removal of the intercepted material.
e. Interceptors shall be maintained in efficient operating condition by periodic removal of the accumulated materials. No such collected material shall be introduced into any drainage piping, public or private, or discharged to the city’s sanitary sewer system.
f. Each interceptor shall be constructed of durable materials satisfactory to the director and shall have a full-size gas-tight cover which can easily and readily be removed.
g. Interceptors required by this chapter shall not be installed until the type and/or model has been subjected to, and has fully complied with, tests acceptable to the director. Where existing conditions are found acceptable as determined by the director, such facilities as presently exist will be allowed to remain in use. Whenever it shall come to the attention of the director that any interceptor is no longer acceptable or does not comply with the provisions of this section, the director shall suspend or revoke such approval and require corrective measures.
(Ord. 2481 §1 (part))
1. The director shall evaluate whether each SIU needs an accidental spill and slug control plan or other action to control slug discharges. The director may require any user develop, submit for approval, and implement such a plan or take other such action that may be necessary to control slug discharges. Alternatively, the director may develop such a plan for any such user. An accidental discharge/slug discharge control plan shall address, at a minimum, the following:
a. Description of discharge practices, including non-routine batch discharges;
b. Description of stored chemicals;
c. Procedures for immediately notifying the director of any accidental or slug discharge, as required by section 15.40.350; and
d. Procedures to prevent adverse impact from any accidental or slug discharge. Such procedures include, but are not limited to, inspection and maintenance of storage areas, handling and transfer of materials, loading and unloading operations, control of plant site runoff, worker training, building of containment structures and equipment, measures for containing toxic organic pollutants, including solvents, and/or measures and equipment for emergency response.
2. Each user required to have an accidental spill and slug discharge control plan shall provide protection from spills or accidental discharges of prohibited materials or other substances regulated by this chapter. Facilities to prevent accidental discharge of prohibited materials shall be provided and maintained at the user’s own cost and expense. Detailed plans showing facilities and operating procedures to provide this protection shall be submitted to the director for review, and shall be approved by the director before construction of the facility.
3. Each user required to have an accidental spill and slug discharge control plan shall permanently post a notice on a bulletin board or other prominent place within the user’s place of business advising employees whom to call in the event of spill, slug discharge or an accidental discharge. Users shall ensure that all employees who may cause or suffer such spills or slug discharges to occur are advised of the emergency notification procedures.
(Ord. 2481 §1 (part))
1. Wastewater discharge permits issued by the city shall be of two types:
a. Industrial wastewater discharge permits issued to CIUs and SIUs; and
b. Pollution prevention permits issued to other users.
2. No SIU shall discharge wastewater into the city’s sanitary sewer system without first having obtained an industrial wastewater discharge permit from the director.
3. No user required to obtain a pollution prevention permit shall discharge wastewater into the city’s sanitary sewer system without first having obtained a pollution prevention permit from the director.
4. The director may require other users to obtain industrial wastewater discharge or pollution prevention permits as necessary to carry out the requirements of this chapter. The primary criteria for the requirement of these permits for other users include, but are not limited to:
a. Users which have the potential to be regulated under the pretreatment program in the future;
b. Users which discharge a pollutant of concern; or
c. Users which discharge a substance regulated or proposed to be regulated pursuant to a narrative, numeric, or toxicity-based water quality criterion/objective of the CTR, NTR, or a water quality plan adopted or proposed to be adopted by the State Water Resources Control Board pursuant to California Water Code section 13170.
5. Any new SIU or CIU proposing to discharge to, connect to, or to contribute to the city’s sanitary sewer system shall obtain an industrial wastewater discharge permit before discharging to, connecting to, or contributing to the city’s sanitary sewer system. New SIU, CIU, and other new users required by the director to obtain a permit shall apply for the permit at least ninety (90) days prior to discharging to, connecting to, or contributing to the city’s sanitary sewer system. All existing SIUs or CIUs discharging, connecting to, or contributing to the city’s sanitary sewer system shall obtain an industrial wastewater discharge permit within 180 days after the effective date of this chapter.
(Ord. 2481 §1 (part))
Users required to obtain an industrial wastewater discharge or pollution prevention permit shall complete and file with the director an application, in the form prescribed by the director, accompanied by a fee in an amount established by resolution of the city council.
Permit applicants must submit the following information on their permit application form:
1. Identifying information:
a. The name and address of the facility, including the name of the operator(s) and owner(s);
b. Contact information, description of activities, facilities, and plant production processes on the premises;
c. Standard industrial classification number according to the Standard Industrial Classification Manual, Bureau of the Budget, 1972, as amended;
2. Environmental permits. A list of any environmental control permits held by or for the facility;
3. Description of operations:
a. A brief description of the nature, average rate of production (including each product produced based on product type, amount, processes, and rate of production), and standard industrial classification(s) of operation(s) carried out by the user. This description should include a schematic process diagram, which indicates points of discharge to the city’s sanitary sewer system from regulated processes;
b. Types of wastes generated and a list of all raw materials and chemicals used or stored at the facility which are, or could accidentally or intentionally, be discharged to the city’s sanitary sewer system;
c. Number and type of employees, and proposed or actual hours of operation (i.e., the hours when the premises are physically occupied);
d. Type and amount of raw materials processed (average and maximum per day);
e. Site plans, floor plans, mechanical and plumbing plans and details to show all sewers, sewer connections, and appurtenances by the size, location and elevation, and all points of discharge;
4. Time and duration of discharges;
5. The location for all monitoring all wastes covered by the permit;
6. Flow measurement. Information showing the measured average daily and maximum daily flow (in gpd) to the city’s sanitary sewer system from regulated process streams and other streams, as necessary, to allow use of the combined wastestream formula (40 CFR Part 403.6(e));
7. Measurement of pollutants:
a. The categorical pretreatment standards applicable to each regulated process and any new categorically-regulated processes for existing sources;
b. The results of sampling and analysis identifying the nature and concentration and/or mass, where required by the standard or by the director, of regulated pollutants in the discharge from each regulated process;
c. Instantaneous, daily maximum, and long-term average concentrations, or mass, where required;
d. Samples shall be representative of daily operations and shall be analyzed in accordance with approved methods. Sampling must be performed in accordance with procedures set out in section 15.40.430 of this chapter. Where the standard requires compliance with a BMP or pollution prevention alternative, the user shall submit documentation as required by the director or the applicable standards to determine compliance with the standards;
8. Any requests for a monitoring waiver (or renewal of an approved monitoring waiver) for a pollutant neither present nor expected to be present in the discharge based on section 15.40.330(2) of this chapter.
9. Any other information as may be deemed by the director to be necessary to evaluate the permit application.
(Ord. 2481 §1 (part))
All wastewater discharge permit applications, user reports, and certification statements must be signed by an authorized representative of the user and contain the following certification statement:
“I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations.”
Annual Certification for Non-Significant Categorical Industrial Users - A facility determined to be a NSCIU by the director pursuant to section 15.40.010(70)(c) must annually submit the following certification statement signed by the authorized representative. This certification must accompany an alternative report required by the director:
Based on my inquiry of the person or persons directly responsible for managing compliance with the categorical Pretreatment Standards under 40 CFR Part ___ [specify applicable National Pretreatment Standard part(s)], I certify that, to the best of my knowledge and believe that during the period from _____ to _____ [months, dates, year]:
1. The facility described as _____ [facility name] met the definition of a Non-Significant Categorical Industrial User as defined in section 15.40.010(70)(c);
2. The facility complied with all applicable Pretreatment Standards and Requirements during this reporting period; and
3. The facility never discharged more than 100 gallons of total categorical wastewater on any given day during this reporting period.
This compliance certification is based on the following information:
__________________________________________________________________
__________________________________________________________________
Certification of Pollutants Not Present - Users that have an approved monitoring waiver based on section 15.40.330(2) must certify on each report with the following statement that there has been no increase in the pollutant in its wastestream due to the activities of the user:
Based on my inquiry of the person or persons directly responsible for managing compliance with the Pretreatment Standard for 40 CFR Part ___ [specify applicable National Pretreatment Standard part(s)], I certify that, to the best of my knowledge and belief, there has been no increase in the level of _____ [list pollutant(s)] in the wastewaters due to activities at the facility since the filing of the last periodic report under section 15.40.330(2).
(Ord. 2481 §1 (part))
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