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Ch. 15,Art. 10-6
<br /> 11.Change without regulatory effect amending subsection(k)(10)fled 7-1-2004 pursuant to section 100,title 1,
<br /> California Code of Regulations(Register 2004, No.27).
<br /> §66265.193.Containment and Detection of Releases.
<br /> (a)In order to prevent the release of hazardous waste or hazardous constituents to the environment,
<br /> secondary containment that meets the requirements of this section shall be provided (except as provided in
<br /> subsections(f)and (g)of this section):
<br /> (1)for all new tank systems or components,prior to the tank system or component being put into service;
<br /> (2)for all existing tank systems, unless:
<br /> (A)the owner or operator is a conditionally exempt small quantity generator as defined in 40 CFR section
<br /> 261.5,or a 100 to 1000 kg per month generator as defined in 40 CFR section 265.201,or
<br /> (B)the owner or operator is not subject to regulation in 40 CFR part 265 pursuant to an exemption in 40
<br /> CFR section 265.1;
<br /> (3)for tank systems that transfer, store or treat materials that subsequently become hazardous wastes
<br /> within two years after the materials become hazardous waste unless the owner or operator complies with section 40
<br /> CFR 265.201 and is one of the following:
<br /> (A)the owner or operator is a conditionally exempt small quantity generator or a 100 to 1000 kg per month
<br /> generator,or
<br /> (B)the owner or operator is not subject to regulation in 40 CFR part 265 pursuant to an exemption in 40
<br /> CFR section 265.1,but the owner or operator is subject to the standards of this article.
<br /> (b)Secondary containment systems shall be:
<br /> (1)designed,installed,and operated to prevent any migration of wastes or accumulated liquid out of the
<br /> system to the soil,ground water,or surface water at any time during the use of the tank system;and
<br /> (2)capable of detecting and collecting releases and accumulated liquids until the collected material is
<br /> removed.
<br /> (c)To meet the requirements of subsection(b)of this section,secondary containment systems shall be at a
<br /> minimum:
<br /> (1)constructed of or lined with materials that are compatible with the waste(s)to be placed in the tank
<br /> system and shall have sufficient strength and thickness to prevent failure due to pressure gradients(including static
<br /> head and external hydrological forces), physical contact with the waste to which they are exposed,climatic
<br /> conditions,the stress of installation,and the stress of daily operation(including stresses from nearby vehicular
<br /> traffic);
<br /> (2)placed on a foundation or base capable of providing support to the secondary containment system and
<br /> resistance to pressure gradients above and below the system and capable of preventing failure due to settlement,
<br /> compression,or uplift;
<br /> (3)provided with a leak detection system that is designed and operated so that it will detect the failure of
<br /> either the primary and secondary containment structure or any release of hazardous waste or accumulated liquid in
<br /> the secondary containment system within 24 hours,or at the earliest practicable time if the existing detection
<br /> technology or site conditions will not allow detection of a release within 24 hours;
<br /> (4)sloped or otherwise designed or operated to drain and remove liquids resulting from leaks,spills,or
<br /> precipitation. Spilled or leaked waste and accumulated precipitation shall be removed from the secondary
<br /> containment system within 24 hours,or in as timely a manner as is possible to prevent harm to human health or the
<br /> environment,if removal of the released waste or accumulated precipitation cannot be accomplished within 24 hours.
<br /> (A)If the collected material is a hazardous waste under chapter 11 of this division,it shall be managed as a
<br /> hazardous waste in accordance with all applicable requirements of chapters 2 through 15 of this division.
<br /> (B)If the collected material is discharged through a point source to waters of the United States,the owner or
<br /> operator shall comply with the requirements of sections 301,304,and 402 of the Federal Clean Water Act(33 U.S.C.
<br /> sections 1311, 1314 and 1342, respectively),as amended.
<br /> (C)If the collected material is discharged to Publicly Owned Treatment Works(POTWs),the owner or
<br /> operator shall comply with the requirements of section 307 of the Federal Clean Water Act, as amended (33 U.S.C.
<br /> section 1317). ��--``yy 1: , - i, T��
<br /> (D)If the collected material is released to the environment,the owner or operator shall coml67 11
<br /> applicable reporting requirements of 40 CFR Part 302. 33- ��d1
<br /> (d)Secondary containment for tanks shall include one or more of the following devices:
<br /> (1)a liner(external to the tank); DEC 0 S 2016
<br /> (2)a vault;
<br /> (3)a double-walled tank;or
<br /> (4)an equivalent device as approved by the Department: MENTAL HEACTI
<br /> (e)In addition to the requirements of subsections(b),(c),and(d)of this section,secondarydo11t2hM1hE�rft'
<br /> systems shall satisfy the following requirements: DEPARTMENT
<br /> (1)external liner systems shall be:
<br /> (A)designed or operated to contain 100 percent of the capacity of the largest tank within its boundary;
<br /> (B)designed or operated to prevent run-on and infiltration of precipitation into the secondary containment
<br /> system unless the collection system has sufficient excess capacity, in addition to that required in subsection(e)(1)(A)
<br /> of this section,to contain run-on and infiltration. Such additional capacity shall be sufficient to contain run-on and
<br /> infiltration of precipitation from a 25-year,24-hour rainfall event;
<br /> Unofficial Title 22 O 2005 State of California,all rights reserved.May not be commercially reproduced or sold. 6/9/08
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