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Regulations Implementation Guidance for LEAsQuestions and Answers: Compostable Materials Regulations |
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If you have a question that you would like answered here please submit it to Robert Holmes. Don't forget to make it clear that the question is one you would like placed on this page--include the URL or web address in your e-mail. Question 1: A composting operation at a publicly operated treatment works (POTW) had a registration permit before the Compostable Materials Handling Operations and Facilities Regulatory Requirements went into effect. The enforcement agency has already informed the operator that they need to provide a odor impact minimization plan. The enforcement agency has determined that the facility at the POTW must comply with enforcement agency notification requirements. When should the enforcement agency inform the operator of this and when does the enforcement agency switch from monthly to quarterly inspections?
Question 2: A chipping and grinding activity located on a permitted landfill (that had been previously excluded under the old regulations) is now considered a composting operation under the new regulations because the piles reach 122 degrees Fahrenheit [14 CCR 17852(a)(1) active compost…generating temperatures of at least 122 degrees Fahrenheit]. The enforcement agency determined that the activity requires a full compostable material handling facility permit. What happens in the interim before getting a full permit if the piles continue to reach temperatures?
Question 3: If both the publicly operated treatment works (POTW) and the biosolids composting site are located on the military base but not adjacent to each other would the permitting tier be, notification?
Question 4: Operation A is owned and operated by Operator A and is on Parcel A. Operation A currently has a registration permit and is not required to get a new permit until this permit comes up for review. Operation B is operated by some as yet undefined operator and is located on Parcel B. Owner A owns Parcel B. This new operation would operate under enforcement agency notification. The properties are contiguous. There may be some equipment, personnel, and feedstock sharing. Is this one operation on two plots of land with the maximum of 12,500 cubic yards of feedstock, compost, or chipped and ground material on-site at any one time; or two operations, each with a maximum of 12,500 cubic yards of feedstock, compost, or chipped and ground material on-site at any one time?
Question 5: If a green material chipping and grinding activity has more than 1 percent contamination, i.e., tar paper and miscellaneous roofing material, should they apply for a transfer/processing facility permit? How much time do they have to apply? Will they follow the same time frame, 120 days or two years?
Question 6: University researchers are going to analyze the physical and chemical properties of onion wastes, determine their digestibility and methane and biogas yields and test a continuous digester system to treat the onion wastes. This will be an anaerobic digestion. The temperature of the digester is designed to reach 95 degrees Fahrenheit. Total time for the research is 6 months. Is this research project regulated by the compostable material handling regulations or could it be exempted under 27 CCR 21565 (b)(1) or (b)(6)?
Question 7: A transfer/processing facility with a full permit receives compostable materials. The compostable materials handling is described in the Report of Facility Information. The transfer/processing facility sends compost and wood chips offsite to other facilities/markets. Is this facility excluded per 14 CCR 17855(a)(5)(A), Excluded Activities at Transfer/Processing Facilities?
Question 8: Could a chipping and grinding activity that is located on a permitted landfill but does not qualify as an excluded activity be excluded under the provision of 14 CCR 17855(5)(J) - the materials are handled in such a way to preclude their reaching temperatures at or above 122 degrees Fahrenheit as determined by the enforcement agency?
Question 9: Can the operator of an existing compost facility in the standardized tier evaluate the potential of clean, source-separated drywall as a compost feedstock in a 12-month pilot to determine operational procedures to accommodate this addition? The operator is currently “up-tiering” from a standardized tier to a full tier as required in the new regulations. This process will take about a year. The proposal includes the acceptance of drywall at about 20 tons per day or 500 tons per month or 6,000 tons per year. This will not impact the facility's total permitted limit of 100,000 tons per year.
Questions 10: What is the enforcement agency inspection frequency for a green material chipping and grinding operation that is enforcement agency notification, under 200 tons per day, under 48 hours removal frequency, and does not reach 122 degrees Fahrenheit?
Question 11: If an operator has an existing transfer/processing facility that has a full solid waste facility permit and transfers curbside green waste as part of the operation (no processing is done), is the green waste portion subject to the compostable materials regulations? If so, which part of the regulations? Two different scenarios: In both cases it's just straight transfer of source separated green waste handled apart from municipal solid waste and other waste streams; it's deposited on the ground in a separate area outside the building (municipal solid waste is deposited in the building), pushed into the building and into transfer trailers and taken away. In one case it's always transferred out within 48 hours, maximum. In the other it's always transferred out within 6 days, maximum.Answer 11: Assuming that the material received at the site qualifies as green material as defined in 14 CCR 17852(a)(21) and assuming that the material continues to qualify as green material as it is handled on the site (for example it is not contaminated with municipal solid waste while being transferred), and assuming that the enforcement agency has already approved holding the material longer than 48 hours but less than 7 days, then this activity falls under 14 CCR 17852(a)(10) in that it is the handling of compostable material. The storage and activities associated with the green material piles should be viewed as a compostable material handling activity and an integral part of the general transfer/processing facility operations. As such it can be included under the transfer/processing facility permit, included in the report of facility information, and should be inspected as a separate unit utilizing the appropriate compostable material handling regulations and appropriate inspection form.Question 12: 14 CCR 17852(a)(10)(C)--What specifically does it mean to regulate a chipper/grinder as a compostable material handling operation if only chipping and grinding will be conducted? Please include comment on the following: Answer 12: If the chipped and ground material does not reach temperatures of 122 degrees Fahrenheit the activity is not subject to the Compostable Materials Handling Operations and Facilities Regulatory Requirements per 14 CCR 17855(a)(5)(J). If a chipping and grinding operation/facility does reach temperatures greater than 122 degrees Fahrenheit, and the operator can not comply with 14 CCR 17852(a)(10)(C) because the green material remains onsite for a longer period of time than allowed in 17852 (a)(10)(A)(2) (Each load of green material must be removed from the site within 48 hours of receipt, or the enforcement agency may allow for up to 7 days), then the site shall be regulated as a compostable material handling operation/facility. This means that the operation/facility is placed into the correct tier under 14 CCR 17857.1 green material composting operations and facilities, and 14 CCR 17862.1 chipping and grinding operations does not apply. For example, if a chipper/grinder receives up to 200 tons per day and falls into the enforcement agency notification tier for chipping and grinding and material will be on site for more than 7 days but only chipping and grinding will be taking place this operator is still considered a composter and must comply with more requirements. In this example the chipping and grinding facility would be regulated per 14 CCR 17857.1 not 14 CCR 17862.1. However, the enforcement agency has flexibility in applying the sampling requirements (17868.1(c)), the metals requirements (17868.2(b)), and the pathogen reduction requirements (17868.3(c).If the activity has greater than 12,500 cubic yards of feedstock, compost, or chipped and ground material on-site at any given time, the operator must comply with:
If it is determined that the activity falls into the notification tier per 14 CCR 17857.1 and has less than 12,500 cubic yards of feedstock, compost, or chipped and ground material on site at any given time it must comply with:
Requirements for chipping/grinding activities:
14 CCR 17855.4(c), states that if a previously excluded facility/operation requires a “Compostable Materials Handling Facility Permit”, then this facility has 2 years from the time the enforcement agency makes the written determination. The “permit” referred to in the regulations is the full solid waste facility permit. Per 14 CCR 17855.3 the label for a solid waste facility permit is “Compostable Materials Handling Facility Permit.” Lastly, if a facility/operation that had previously been excluded before the regulations now requires an enforcement agency notification or registration tier as a result of the enforcement agency’s written determination, the operator of the activity/facility has 120 days to comply. Question 13: The enforcement agency recently received an enforcement agency notification from a farmer regarding a chicken carcass and chicken manure drying operation. It was inspected in late March and the average temperature was about 100 degrees Fahrenheit. The farmer spreads chicken manure and carcasses separately on the ground to dry out. Depending on the weather and temperature it takes from 2 days to a week to dry. The thickness of the material is from couple of inches to a foot. They stock pile dried manure and ship them out to different buyers on daily basis. There is no screening, bagging operation, or any windrows at this location. They are not adding anything or importing anything from outside for this operation. My questions are:
Answer 13: If the materials are generated on the farm site and are processed on the farm site and the accumulated dried avian tissue and manure does not exceed 121 degrees Fahrenheit this operation is not composting, and is not covered by 14 CCR, Division 7, Chapter 3.1. Therefore, it does not need an enforcement agency notification per the Compostable Materials Handling Operations and Facilities Regulatory Requirements. However, this operation may be regulated per the Agricultural Solid Waste Management Standards in 14 CCR, Division 7, Chapter 3, Article 8.Question 14: A business is operating in the County is a mobile green material chipping and grinding business. Agricultural property owners hire the company to chip and grind the trees from their orchards to clear them for new trees or crops. These are one-time jobs. At some job sites the mulch is returned to the same property as soil amendment; in other cases the mulch is hauled away to co-generation plants. The volumes of agricultural green material varies from job to job (depending on acreage). The typical job takes from one to five days.The operations that return mulch to the same agricultural field appear to fit into the exclusion under 14 CCR 17855 (a)(1). The operations where the mulch is hauled off-site to a co-generation plant do not appear to fall into any of the exclusions under section 14 CCR 17855. What tier of permit is required? 14 CCR 17862.1 delineates the specific tiers by amount of material "received." These sites do not "receive" any material. The business would be excluded whether they returned the chipped and ground material to the same agricultural field [14 CCR 17855(a)(1)] or transported it off-site to a co-generation facility [14 CCR 17855(a)(5)(E) or 14 CCR 17855(a)(5)(G)]. Question 15: The scenario is a chipper/grinder who will be regulated as a green material handling operation due to material remaining on-site greater than 7 days and consistently reaching temperature above 122 degrees Fahrenheit. The material will actively compost however the operator will continue to sell his product as mulch.What are acceptable alternative methods of compliance with the Environmental Standards of Title 14, Chapter 3.1, Article 7? Are there 'Best Management Practices' which the CIWMB endorses as viable alternatives? Are there alternative methods that are scientifically based that CIWMB endorses? Where does the burden of proof lay for verifying that an alternative method for pathogen reduction or an alternate sampling method is indeed a sound alternative? Are there existing studies of various alternative methods that have scientific data backing them up? Is a Process to Further Reduce Pathogens (Fed 503) a 'standard'? Or, are the standards pursuant to 14 CCR 17868.3(d) the meeting of the limit concentrations for coliform, Salmonella and metals? If a compost feedstock (chipped and ground material) already meets limit concentration standards as determined through sampling and testing, then is there a need to 'further reduce pathogens'? Alternative methods provides the flexibility to accommodate differences in feedstock, composting methods and site location. There are no currently "approved" alternative methods for pathogen/metals reduction; they would be approved on a case by case basis. The burden of proof would be on the operator to demonstrate that their process was reducing pathogen/metals under the conditions at their site [14 CCR 17868.3(c)]. The enforcement agency would be responsible for reviewing the process, with technical assistance from the CIWMB, if desired. Question 16: A new technology to the state of California, an in-vessel digester unit that converts dry wood chips and food waste to compost, has been proposed. The wood chips will be delivered in a 40-yard box once per week. Approximately two tons per day of food waste will be delivered in 22 (35-gallon) carts. The food waste from the carts will be entered into the process the same day. The wood chips are assumed to remain below 122 degrees Fahrenheit. The question is, per 14 CCR 17855(a)(5)(J), can this operation be excluded from the compost regulations? An odor impact minimization plan will not be required unless there are complaints about the odors. Please provide the regulatory language and section that requires the wood chips to be included in the total in-vessel volume as described in section 14 CCR 17855(a)(8).Answer 16: Any proposed composting operation or facility is evaluated for permitting requirements by considering the whole operation as stated in 14 CCR 17850, Authority and Scope, specifically subsection 17850(c), and 14 CCR 17852(a)(12) of the definitions. Therefore all products and materials such as feedstocks, amendments, materials in-vessel and finished product must be less than 50 cubic yards. If it can be demonstrated that all of the woodchips on-site are handled in a manner so that they do not reach 122 degrees Fahrenheit than they do not have to be included in the 50 cubic yard limit [14 CCR 17855(a)(5)(j)].Due to the complexity of the process and because this operation will be of a limited duration, and will serve the purpose of providing data, the enforcement agency should consider placing the proposed operation in the enforcement agency notification tier for research composting operations [14 CCR 17862]. Question 17: A private firm is proposing to develop a regional biosolids processing facility in a City that will convert sewage sludge into a renewable energy fuel (E-fuel). The facility will be located at the City’s wastewater treatment plant and possibly at another location other than the publicly operated treatment works (POTW). The design capacity of the facility will initially be 125 tons per day. The facility will have a storage capacity of 375 dry tons of biosolids (3-4 day capacity). What regulatory tier does this fall? Answer 17: Assuming that "transformation" (as defined in Public Resources Code section 40201) or "gasification" (as defined in Public Resources Code section 40117) of the biosolids is not occurring on-site then the storage of the biosolids at the POTW is an excluded activity pursuant to 14 CCR 17855(a)(5)(B). However, if the piles reach a temperature of 122 degrees Fahrenheit then an enforcement agency notification will be required pursuant to 14 CCR 17859.1. If the biosolids are stored at a site other than the POTW and reach a temperature of 122 degrees Fahrenheit then a compostable materials handling facility permit is required pursuant to 14 CCR 17854.If transformation of the biosolids is occurring on-site, then the facility is considered a "transformation facility" and is regulated as a "large volume transfer/processing facility" pursuant to 14 CCR 17402(a)(8) and (30) and will require a full solid waste facilities permit pursuant to 14 CCR 17403.7, and must comply with Public Resources Code sections 44016 and 44017. If gasification of the biosolids is occurring on-site, the facility may be subject in the future to proposed regulations for conversion technologies. For more information on the proposed conversion technology regulations see http://www.ciwmb.ca.gov/Rulemaking/Conversion/. Note: "Biomass conversion" (as defined in Public Resources Code section 40106 (b)) excludes materials that contain sewage sludge. Question 18: 14 CCR 17852(a)(21) identifies untreated wood waste as a "green material" and 14 CCR 17852(a)(10) defines "chipping and grinding" if "Each load of green material is removed from the site within 48 hours of receipt." However, 14 CCR 17383.3 allows for the storage of construction & demolition wood debris up to 30 days prior to processing and removal of the finished product within 90 days of processing. Does the Notification tier green material chipping and grinding 48-hour limitation apply to all tree trimmers and landscapers who chip and grind between 500 cubic yards and 200 tons per day at a central location and does the clock run from the time the material comes in the gate to processing and removal of the finished product? How should an activity be regulated if it accepts construction & demolition wood debris, green material wood wastes and lumber mill wood waste? Answer 18: Question 1. Yes, the 48-hour limit applies to all green material chipping and grinding. If the green material remains on site longer than 48 hours and the enforcement agency has not approved a longer timeframe (up to 7 days) then the site will need to regulated as a green material composting activity. The 30-day timeframe only applies to woody material that is not compostable. Green material is compostable so the 48-hour limit applies. The operation must meet the requirements of the enforcement agency notification tier and all material on site counts from the time it enters to the time it leaves. Question 2. The activity should be regulated as multiple wood debris chipping and grinding activities in accordance with 14 CCR 17383.1, shall be deemed a single site, and shall comply with the permitting requirements of Chapter 3, Article 5.9, Article 6 or Chapter 3.1, as determined by the enforcement agency. Each pile shall comply with the appropriate state minimum standard which applies to the type of material. Question 19: A farmer/rancher is proposing to accept green waste generated in a nearby city and perhaps from a Transfer Station for a fee. The farmer/rancher proposes to windrow compost the green waste to kill weed seeds and then incorporate (via disking) the finished compost into the soil on his 505-acre property for soil improvement. Is this operation an agricultural material composting operation, a green material composting operation or facility? Would the agricultural exclusion apply to the operation or facility? If it is assumed that the farmer/rancher plans on composting green material, as defined in 14 CCR 17852(a)(21), then the facility would be considered a green material composting operation or facility. An agricultural exclusion would not apply to the operation or facility as no exclusions identified in 14 CCR 17855 apply to the proposed operation. If it has up to 12,500 cubic yards of feedstock, compost, or chipped and ground material on-site at any one time, the activity will be an operation that needs to comply with the enforcement agency notification requirements set forth in 14 CCR, Division 7, Chapter 5.0, Article 3.0 (commencing with section 18100). If it has more than 12,500 cubic yards of feedstock, compost, or chipped and ground material on-site at any one time, it will be a facility that will need to obtain a compostable materials handling facility permit pursuant to the requirements of 27 CCR, Division 2, Subdivision 1, Chapter 4, Subchapter 1 and Subchapter 3, Articles 1, 2, 3, and 3.1 (commencing with section 21450) prior to commencing operations. Question 20: In the compost regulations questions and answers at LEA Central, response #10 states that if a green material chipping and grinding operation receives 200 tpd, material does not remain on-site for more than 2 days and does not reach 122 degrees F., the operation is excluded from regulatory requirements. Wouldn't a green material operation notification be required if more than 500 cy of green material was on-site at any one time, regardless of temperature? At 200 tpd x 2 days = 400 tons. 400 tons divided by 500 cy = 0.8 tons/cy. According to LEA advisory 23 Appendix C, the large limbs and stumps conversion factor is 0.54 tons/cy and green waste prunings are 0.02 tons/cy. Even at 200 tpd for one day and using the 0.54 tons/cy conversion factor, this translates to 370 tons on-site for one day. Why were tons rather than cy used for the chipping and grinding operation regulatory tier determination?
Question 21: At a landfill, compostable material (green waste) is chipped and ground on a daily basis. Part of the material is used as ADC and the rest is hauled offsite. The material end use is primarily agricultural land application in three counties. Some chipped material may be transported to a landfill for use as ADC. The following questions have come up that need some clarification on how to apply the regulations. a) CCR14, Section 17855(5)(J) -- If the chipped and ground stockpile material that is being hauled off within 48 hours goes to temperature will that facility need to fall under the tier process based upon the daily tonnage (a separate permit)? b) CCR14, Section 17855(5)(J) -- If the compostable material comes in hot will the operator have time to spread/screen the material to bring the temperature down. (especially grass chippings)? c) CCR14, Section 17852(10)(A)2 -- If the site removes green material within 48 hours of receipt and the material does not reach temperature will the site need a separate permit based on tonnage as a chipping and grinding facility? d) CCR14, Section 17852(10)(B) -- If the green material fails to meet the definition because it exceeds the contamination limits must the load go straight to the disposal area? (I put this in because I was asked what is done about the contaminated load). e) CCR14 Section 17863.4(a) -- The site/facility shall prepare, implement and maintain a site-specific odor impact minimization plan. Should the plan be a stand alone plan or should it be a part of the JTD or RDSI. The OIMP is a guidance to on-site operation to personnel. f) CCR14, Section17863.4(5)(c)(d) -- If the plan needs to be revised to reflect any changes it states to make the changes and a copy shall be provided to the EA, within 30 days of those changes. If the plan is incorporated in the permit will that require an owner/operator to submit an application to make revision to the plan?
Question 22: Biosolids composters are required to take at least one monthly sample for pathogens and metals. The quantity of compost produced doesn't really matter. Other types of composters are required to take a sample for each 5,000 yards of compost produced. If a biosolids facility takes in other waste streams (such as food waste from a prison) does that alter their sampling frequency for that portion of their composting? I noted that in the JTD for a compost site noted two different frequencies for sampling depending on the feedstock type.
Question 23: The enforcement agency has received an application for a registration permit for a facility that receives between 200 and 500 TPD of curbside collected green waste to chip into mulch. The green waste has some contamination. The operator conducted a green material contamination study on a random number of the incoming loads and found on average there was approximately 0.8% contamination. However, the enforcement agency reviewed the monthly tonnage reports and found on average there was approximately 3.3% outgoing residual, monthly. It appears to the enforcement agency that the incoming material is below the 1% limit, but during the sorting process the operator is disposing of some material and the outgoing material has greater than the 1% contamination limit. Is this facility still eligible to be classified as a chipping and grinding facility? Also, is an operator of a chipping and grinding facility required to prepare an report of composting site information per 14 CCR 17863?
Question 24: A request has been made to bring curbside green waste (about 10 tons per day) to a parcel adjacent to a permitted landfill. The green waste would be unloaded and then loaded into transfer trailers and taken to a site for processing. What tier would this fall into?
Question 25: If an operator of a compostable material handling operation is currently in the Registration Tier and is moving to a lower tier at the five year review will an AB 1497 hearing be required?
Question 26: 14 CCR 17855 (a)(1) - Excluded Activities, has three conditions. If any one of these is not correct then the site is not excluded, correct?
Question 27: I have a question about used mushroom compost. The regulations do not state if it can be sold as compost or mulch. If sold as compost, does a copy of pathogens tests, heavy metals, or temperature/ turn records have to accompany the sale of the product? I know that mushroom compost goes through about three pathogen kill phases while making the compost for the mushroom beds. It is a very useable product after the crop of mushrooms has been harvested.
Question 28: I have a question about pathogen testing. Since our compost is made for agriculture use in fresh vegetables we have to do additional testing of pathogens for Good Agriculture Practices or GAP. In the past we tested for E. Coli, Salmonella, Listeria Monocytogenes and E.C. O157:H7 because you need to test for Salmonella or fecal coliform. We currently test for the fecal coliform and Salmonella but also test for E. Coli, Listeria Monocytogenes and E.C. O157:H7. The problem is now with the addition in the new regulations for the testing of fecal coliform we are coming up with false positives on the fecal coliform test. We will show negative on E. Coli or a very low count, negative for Salmonella, Listeria Monocytogenes and E.C. O157:H7 but be out of count on the fecal coliform. This is only happening to one type of compost we make which is grape pomace. There is a lot of microbial activity going on in the compost which is giving us a false positive. I would like to propose use of the Comgro stick with the old testing of E. Coli, Salmonella, Listeria Monocytogenes and E.C. O157:H7. We would be negative on Salmonella, E.C. O157:H7 and Listeria Monocytogenes but give a level of 100 count of CFU (colony forming unites) on the E. Coli. The testing we do for GAP is more accurate and makes it less likely we would have a a pathogen problem.
Question 29: a) Our jurisdiction has a chipping and grinding operation that grinds horse bedding materials (including manure), green waste, wood waste and accepts soil. About 50 cubic yards of soil (clean, no construction & demolition), about 2 tons per day clean wood and up to 25 tons per day of tree trimmings (utility tree trimming service brings previously ground materials). The materials are chipped. The product is sent on to a composting facility. The materials do not stay on site very long. What permit tier does this fall into? b) What if the facility chips only green waste then mixes it with horse bedding materials (including manure) afterwards? Would this be slotted in the “chipping and grinding permit tier” or a "composting operation/facility?"
Question 30: A prospective operator wants to start a food waste/green waste composting research project with the possibility obtaining a full permit later. They are proposing to use an in-vessel composting process with about 10 tons of food waste and 20 tons of green waste per day going into the vessel (initially). Most of the finished product will be used on site. There is a sod grower on the land that works 100 acres. This is a potential user of the finished compost. The composting project could expand to a much larger operation at the site taking the green material from a public works maintenance yards and food waste from other county run operations like hospitals. The prospective operator mentioned that the turnover can be 15 days however the material is still hot at that point and can damage crops. So it may require up to 30 days. [If 30 tons of material (10 food waste plus 20 green waste) is around 500 pounds per cubic yard this would bring 120 cubic yards per day into the vessel and 30 days would provide for 3,600 cubic yards of material in the vessel (of course this would shrink during the 30 days)]. Add a few hundred cubic yards for feedstock and finished compost and the operator is still below 5,000 cubic yards stated in 14 CCR 17862 for research operations. The regulations allow some expansion with enforcement agency approval. Does the operation described fit into the notification tier for research operations?
Question 31: Is the enforcement agency entirely responsible in determining what constitutes a research composting operation?
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Last updated: April 18, 2008 LEA Support Services http://www.ciwmb.ca.gov/LEACentral/ Donnaye Palmer: donnayep@ciwmb.ca.gov (916) 341-6321 |