Source: https://www.scribd.com/document/148865935/EPA-530-k-02-008i-Drip-Pads
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Matched Legal Cases: ['arts 264', 'arts 264', '§260', '§264', '§265', '§264', '§264', '§264', '§264', '§264', '§264', '§265', '§265', '§265', '§265', '§265', '§265', '§264', '§264', '§265', '§264', '§264', '§265', '§265', '§264', '§264', 'art 264', '§264', '§264', '§264', '§264', 'art 264', '§262', 'art 265', '§264', 'art 265', '§262', '§262', '§265', '§262', '§264']

EPA 530 k 02 008i Drip Pads | Resource Conservation And Recovery Act | Hazardous Waste
Notice: Pollution control; consent judgments: Edwards Oil Service, Inc.
Notice: Pollution control; consent judgments: Air Products and Chemicals, et al.
envistatements
Agriculture Law: RL30798
productPDF_57336
Rule: Implementation of the Subscriber Carrier Selection Changes Provisions of the Telecommunications Act of 1996, etc.
endelig avvikling rapport engelsk.pdf
EPA530-K-02-008I October 2001
(40 CFR Parts 264/265, Subpart W)
RCRA. This document is not intended and cannot be relied upon to create any rights. The information in this document is not by any means a complete representation of EPA s regulations or policies. The information in this document may not necessarily reflect the current position of the Agency. . The Call Center revises and updates this document as regulatory program areas change. except for federal holidays. substantive or procedural. Superfund & EPCRA Call Center Phone Numbers: National toll-free (outside of DC area) Local number (within DC area) National toll-free for the hearing impaired (TDD) (800) 424-9346 (703) 412-9810 (800) 553-7672 The Call Center is open from 9 am to 5 pm Eastern Time. under contract 68-W-01-020 to EPA. Monday through Friday. It is intended to be used as a training tool for Call Center specialists and does not represent a statement of EPA policy. enforceable by any party in litigation with the United States.DISCLAIMER This document was developed by Booz Allen Hamilton Inc. This document is used only in the capacity of the Call Center training and is not used as a reference tool on Call Center calls.
................4 Inspections ....................................1 Background.....3 Operating Standards................. 2....................................5 Closure..................................................................................................................................................................................... Regulatory Summary.......................................................................................................................... Introduction........................................................................................................ 2....................................... 2........7 Applicability to Storage Yard Drippage.......................................... 2 2 3 6 6 7 7 8 ....... 2................................. 2............................................................................................ 2................. 1 2....................6 Drip Pads Used for Temporary Accumulation ................ 2...............................................................................DRIP PADS CONTENTS 1.......2 Design Standards ......................................
and landfills. called drip pads. you will be able to: • Define drip pad • Summarize the design and operating standards for drip pads • Describe the relationship between generator accumulation provisions and drip pads. To facilitate proper handling of these wastes. The information in this document is not by any means a complete representation of EPA’s regulations or policies. containers. Some of these newly identified wastes proved rather difficult to manage in traditional hazardous waste management units that were established in the original regulations. . Many of these wastes are generated by allowing preservative to drip from wood onto concrete pads. After you complete this module.Drip Pads . Use this list of objectives to check your understanding of this topic after you complete the training session.1 1. EPA listed wastes from wood preserving processes as hazardous. such as tanks. Since the early 1980s. but is an introduction to the topic used for Call Center training purposes. Specifically. consist of general facility standards as well as unit-specific design and operating requirements for commonly used hazardous waste treatment. EPA has continuously expanded RCRA's hazardous waste program to regulate a broader range of wastes that may pose a threat to human health and the environment. INTRODUCTION The Resource Conservation and Recovery Act (RCRA) regulations governing hazardous waste management facilities. In 1990. The majority of these unit-specific regulations are discussed in other modules. storage. found in 40 CFR Parts 264 and 265. and disposal units. you will be able to explain the regulatory history and purpose of drip pads. the Agency developed design and operating standards for drip pads used to manage these newly identified hazardous waste. This module explains these standards.
operation. the wood is transferred to a storage yard and all excess preservative that has dripped onto the drip pad is removed as waste. and inorganic preservatives containing arsenic or chromium (F035). Drip pads. Once the dripping stops. as defined in §260. creosote formulations (F034). it is removed from the process unit and excess solution is allowed to drip from the wood onto drip pads. installation. there were no protective regulations for drip pad owners and operators to follow. excess solution dripping from the wood becomes a solid waste and.2 . Since the drip pads had never been regulated and did not resemble any of the existing hazardous waste management units (e. 1990. but is an introduction to the topic used for Call Center training purposes.10. and closure of drip pads at the same time the new wood-preserving listings were promulgated. REGULATORY SUMMARY Drip pads are hazardous waste management units that are unique to the wood preserving industry. The information in this document is not by any means a complete representation of EPA’s regulations or policies. Once the preservative solution has been applied to the wood. depending on the type of preservative used.g.1 BACKGROUND A hazardous waste drip pad is a non-earthen structure consisting of a curbed. 2. The wood preserving industry uses a standard process to produce treated wood products that are resistant to natural decay. Fresh lumber is treated with a preservative solution and then placed on a concrete pad where it remains until any excess solution not absorbed by the wood has stopped dripping. Regulated drip pads will be found only at wood preserving facilities. are exclusive to the wood preserving industry. . The listings specifically include wastewaters. freedraining base that is designed to convey excess preservative drippage. a hazardous waste. tanks or containers). preservative drippage.Drip Pads 2. and surface water run-on from treated wood operations to an associated collection system. As a result of this process. Once EPA listed these wastes as hazardous. To ensure proper waste management. The history of drip pads is closely tied to EPA's decision to list wood preserving process wastes as hazardous. Preservative solutions are commonly applied to wood products using a pressure treating process.. A drip pad is used solely for the collection and temporary accumulation or storage of excess wood preservative prior to its removal from the unit. EPA promulgated regulations listing certain wood preserving process wastes as hazardous (55 F R 50450). process residuals. This module addresses the current standards for drip pads as hazardous waste management units. and spent formulations from wood preserving operations using chlorophenolic formulations (F032). On December 6. precipitation. the concrete pads typically used for collecting the drippage became subject to regulation under RCRA Subtitle C as hazardous waste management units. EPA developed unitspecific standards for the design.
A drip pad is considered "existing" if construction was completed. and the unit is regulated throughout its operating life.g. 1990." The owner and operator of a new drip pad must comply with all codified standards for unit design. To prevent wastes from running over the edges of the flat drip pad surface. In general. . drip pad owners and The information in this document is not by any means a complete representation of EPA’s regulations or policies. operation. is important because when liquid wastes migrate into the structure.2 DESIGN STANDARDS The design standards for hazardous waste drip pads are codified in §§264. indoors or covered). The remainder of the drip pad design requirements are specifically intended to control the liquid and semi-liquid wood preserving wastes that are stored or accumulated on the drip pad. and any moving equipment used in wood preserving operations. or a binding construction agreement was made.3 Generally. preserved wood products. the likelihood of an uncontrolled release into the environment increases. however. 2.573 and 265. drip pads will be more susceptible to cracking and deterioration. Unless this collection unit has enough capacity to hold precipitation run-on and preservative drippage. such as a sump. personnel. or unless the pad is protected from precipitation (e. EPA put a performance standard for permeability of the surface coating in the regulations. a stormwater run-on and run-off control system must be used. installation.. Additional drip pad design standards include measures to prevent infiltration of liquid waste into or through the unit's structure. In order to simplify removal of wastes from the drip pad. the surface must be sloped toward a collection unit. and removal of all wastes from the unit becomes more difficult. All new and existing drip pads must be in compliance with these design criteria. or covers can reduce the quantity of waste absorbed into the unit itself. Upgrading steps and corresponding deadlines for existing drip pads are addressed in the regulations and are discussed later in this module. may need to be modified or otherwise upgraded to ensure adequate protection of human health and the environment. Impermeable sealers. Other specific regulatory differences between existing and new drip pads are discussed in the context of each requirement. all other drip pads are considered "new. Distinctions are made between new and existing drip pads. and closure. As a result. but is an introduction to the topic used for Call Center training purposes. Existing drip pads. the owner and operator must construct a raised curb or berm around the perimeter of the pad.443 (Figure 1).Drip Pads . Because absolute impermeability is not feasible. especially for porous materials like concrete. Drip pads must be designed and constructed of non-earthen materials that have enough structural strength to prevent failure of the unit under the weight of the waste. coatings. the performance standards for most hazardous waste management units vary depending on whether the unit is permitted or interim status. Infiltration protection. the permitted and interim status standards for drip pads are virtually identical. However. prior to December 6.
573(j) §265. metal) • Must provide sufficient structural strength to prevent unit failure §264. coatings.443(a)(3) §264.443(a)(4) • Must be treated with impermeable sealers.4 .443(b)(2) §264.443(h). (e). but is an introduction to the topic used for Call Center training purposes.190(c) • Is not subject to specific permeability criteria Liner and Leak Detection System* • Must signal releases from the drip pad at the earliest practicable time • Must be structurally sound and chemically compatible -§264.443(a)(5) • Must be constructed with a raised berm around perimeter to prevent waste run-off into the environment Drip Pad Surface • Must be sloped toward a liquid collection unit §264.g.443(j) * The regulations offer drip pad owners and operators a choice between application of surface coatings and provision of a liner and leak detection system.Drip Pads Figure 1 DRIP PAD DESIGN STANDARDS Design Criteria Citations Pad • Must be constructed of non-earthen materials (e. (l) §§264.573(a)(3) §265.573(a)(4) §265. The information in this document is not by any means a complete representation of EPA’s regulations or policies.573(a)(1) §265.190(c) §265.573(d).573(b)(1) §265.573(h).. (l) §§265. (f) §264.443(b)(1) Dust Controls • Must be used to minimize tracking of waste by personnel and vehicles §264.573(a)(5) §265.443(a)(1) §264. concrete.443(a)(2) §264.573(a)(2) §265.573(b)(2) §265. . or covers to meet specific permeability performance standards* • Must allow for removal of waste for proper RCRA management and to prevent overflow Liquid Collection System • Must include run-on and run-off controls as necessary • Is subject to regulation as a hazardous waste tank §§264.
The plan must include a description of all proposed repairs and upgrades. Since that time. Finally. For all pads constructed after December 24. however. but is under no federal obligation or deadline to do so. and leak collection standards (§§264. or surface water. All existing drip pads (i.5 operators can achieve the required level of protection using most of the sealers. Before such an upgrade is completed. drip pads that were constructed or for which a binding contract was made prior to December 6. Prior to use for hazardous waste management. The information in this document is not by any means a complete representation of EPA’s regulations or policies. and the owner and operator of the unit must comply with all applicable provisions in Subpart J of Part 264/265. No specific permeability criteria are designated for a drip pad liner. leak detection. qualified. a new drip pad was required to conform to the standards for both surface impermeability and liners and leak detection. over the long run. EPA also mandates the installation of a leak collection system to remove wastes accumulating on the synthetic liner. coated. now owners and operators of new drip pads may choose between these two options. any sumps or other collection devices used in association with a hazardous waste drip pad are regulated as hazardous waste tanks.Drip Pads . An independent.e. The owner or operator of an existing drip pad may choose to modify the unit to meet the performance standards for liners and leak detection systems. EPA intends the drip pad design standards to prevent migration of waste from the unit into the surrounding environment. professional engineer must certify that the proposed plan will bring the drip pad into compliance with all applicable liner. but believes that.. the owners and operators of new drip pads must implement one of the design options. An existing unit that is upgraded to include a liner and leak detection system is no longer subject to the surface coating requirements.441). registered. coatings. installation of a liner and leak detection system will require less maintenance and be less costly than repeated applications of surface coatings. but is an introduction to the topic used for Call Center training purposes. EPA does not recommend one option over the other. . groundwater. but the unit's leak detection system must be able to signal releases from the pad at the earliest practicable time. An existing drip pad that already has a surface coating will need no further upgrading to comply with federal standards.571/265. as well as a schedule by which modifications will be made. or covered with an impermeable material meeting regulatory specifications. Provision of an underlying synthetic liner and leak detection system can prevent waste migration into adjacent subsurface soil. When the regulations were first promulgated. 1992. the owner or operator must develop and submit a written plan for modifying the unit to the Regional Administrator. In addition. and covers currently available on the market. the Agency revised the drip pad management standards. 1990) must be sealed.
professional engineer must prepare an annual written assessment of the drip pad's integrity.3 OPERATING STANDARDS All new and existing drip pads must be in compliance with the operating standards codified in §§264.571/265. all appropriate cleanup measures must be taken. but is an introduction to the topic used for Call Center training purposes. Upon inspection. qualified.573/265.441). professional engineer must certify that the drip pad achieves all applicable design standards in §§264. drippage and precipitation must be emptied into a collection system as often as necessary to prevent waste from overflowing the curb around the perimeter of the unit. and Liability Act (CERCLA) and the Emergency Planning and Community Right-to-Know Act (EPCRA).574/265. The facility's operating log must document the date. the affected portion of the unit must be removed from service for repairs in accordance with specified procedures. 2. and the release may be reportable under the Comprehensive Environmental Response.444 require newly installed or upgraded existing drip pads to be inspected to verify that the unit was properly constructed and that no damage occurred prior to use.443. time. If hazardous wastes have been released into the environment. Until the unit is in full compliance with the current standards. an existing drip pad must be inspected to ensure that the unit is still protective of human health and the environment and thus fit for continued use. Finally. qualified. an independent. . Second. if a drip pad shows any deterioration.Drip Pads 2. In addition to occasional cleaning. All collection tanks must be emptied as soon as possible after storms to ensure that sufficient containment capacity is available to accommodate continued run-off. an independent. §§264.6 . registered.4 INSPECTIONS Three types of inspections are required for drip pads. Compensation. a drip pad must be maintained free of cracks and show no signs of corrosion or other forms of deterioration. During this inspection. Each assessment must document the extent to which the drip pad meets current design and operating standards (§§264. and all cleaning residues must be managed as hazardous wastes under RCRA Subtitle C.573/265. The information in this document is not by any means a complete representation of EPA’s regulations or policies. registered. all new and existing drip pads must be inspected weekly and after storms to ensure that the units and their associated liquid collection systems are functioning properly and to detect any deterioration of or leaks from the units. First.443. and method of each cleaning. Drip pads must also be cleaned frequently to allow for weekly inspections of the entire drip pad surface without interference from accumulated wastes and residues. Generally. The manner and frequency of cleaning required is determined on a case-by-case basis.
As a result. . small quantity generators (SQGs) are subject to a reduced set of requirements when accumulating hazardous wastes in tanks or containers meeting the interim status unit standards. ConditionallyThe information in this document is not by any means a complete representation of EPA’s regulations or policies.114.34(a)(1)(iii) state that a generator who accumulates hazardous waste on a drip pad for 90 days or less will not require a RCRA permit for storage. and post-closure care. and must be closed according to the requirements for landfills in Part 264/265. and soils. As stated in §262. structures. corrective action. If all contaminated soils cannot be removed or decontaminated.34(a)(1)(iii). provided that: • The unit conforms to the technical standards in Part 265. and contaminated system components (including equipment) (§§264. Subpart W • Written procedures are developed to ensure that wastes are removed from the pad and collection system at least once every 90 days • Records are kept documenting that those procedures are followed. the drip pad owner/operator must also obtain a post-closure permit addressing specific conditions for groundwater monitoring.6 DRIP PADS USED FOR TEMPORARY ACCUMULATION Some of the regulations discussed in detail above apply to drip pads used for hazardous waste storage (e. the maximum generator accumulation time period on drip pads is 90 days. contaminated soils.34(a). 2. Generators using drip pads must also comply with the requirements that apply to large quantity generators for personnel training. drip pads used for temporary accumulation of wastes by a generator are exempt from all requirements in Part 265. In such instances. and biennial reporting.g. post-closure.34(d). but is an introduction to the topic used for Call Center training purposes.111 and 265. Closure of a drip pad involves removal or decontamination of all associated waste residues. Consequently. and financial responsibility. Subparts G and H. which relate to the closure performance standards and the disposal or decontamination of all equipment.5 CLOSURE To ensure that drip pads are properly managed after their useful lives. Under §262. all generators of more than 100 kilograms of waste per month who manage wood-preserving wastes on drip pads must comply with the requirements applicable to large quantity generators in §262.Drip Pads . SQGs who accumulate wood-preserving wastes on drip pads do not qualify for this partial exemption. except for those in §§265. Subpart N.445).. The regulations in §262. the unit will be considered a landfill for purposes of closure. drip pads must be closed so as to prevent the future migration of contaminants into the environment and to protect human health and the environment.7 2.575/265. drip pads operated such that wastes remain in the unit for more than 90 days after generation). development of a full contingency plan.
8 . The information in this document is not by any means a complete representation of EPA’s regulations or policies. when excess solution drips off the treated wood. how responses will be documented. The plan must stipulate how responses are to be conducted. Some drippage can also occur. however. the yard is not necessarily subject to the drip pad requirements. This drippage and the drip pad collecting the drippage are fully subject to the Subpart W standards. the management of infrequent and incidental storage yard drippage is exempt from the drip pad regulations if these releases are immediately cleaned up in compliance with a written contingency plan developed by the facility owner and operator (§§264.7 APPLICABILITY TO STORAGE YARD DRIPPAGE Most wood preserving wastes are generated immediately following wood treatment.440(c)). what methods will be used to ensure that records are retained for three years. but is an introduction to the topic used for Call Center training purposes. however. after the treated wood has been transferred to a storage yard to await shipment off-site. Under the drip pad standards. are not subject to the drip pad management standards. nor are they subject to the time limit of 90 days. 2. and how contaminated media and residues will be managed in accordance with applicable federal regulations.Drip Pads exempt small quantity generators. Although this drippage remains a hazardous waste. .570(c)/265.
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