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HomeMy WebLinkAbout4410_ROSCANS_2007tI NCDENR NORTH CAROLINA DEPARTMENT OF ENVIROIJMENT AND NATURAL RESOURCES FACILITY COMPLIANCE AUDIT REPORT Division of Waste Management Solid Waste Section UNIT TYPE: (check all that apply to this audit with same Permit number) Lined LCID Y\W Transfer Compost SLAS COUNTY:Haywood MS\VLF PERMIT N0.:44-10 Closed 1111 W White lncin T&P Flory MS\\'LP goods FILE TYPE: COMPLIANCE CDLF TireT&P/ Tire Industrial DEMO SDTF Collection Monofill Landfill Date of Audit:3/27/07 FACILITY NAME AND ADDRESS: Sunburst Trout Company 128 Raceway Place Canton, N. C. 28716 Date of Last Audit: 6/6/07 GPS COORDINATES: (Decimal Degrees) N:35.41154 W:082.41154 FACILITY CONTACT NAME AND PHONE NUMBER: Chris Inman Telephone: 828-648-3010 FACILITY CONTACT ADDRESS (IF DIFFERENT): Same as above AUDIT PARTICIPANTS: Jim Patterson, NCDENR-Solid Waste Section Chris Inman, Sunburst Trout Company STATUS OF PERMIT: Active- Perniit to operate issued PURPOSE OF AUDIT: Inspection of Solid Waste Compost Facility NOTICE OF VIOLATION(S) (citation and explanation): NONE You are hereby advised that, pursuant to N.C.G.S. 130A-22, an administrative penalty of up to $5,000 per day may be assessed for each violation of the Solid Waste Statute or Regulations. If the violation(s) noted here continue, you may be subject to enforcement actions including penalties, injunction from operation of a solid waste management facility or a solid waste collection service and any such further relief as may be necessary to achieve compliance with the North Carolina Solid Waste Management Act and Rules. STATUS OF PAST NOTED VIOLATIONS (List all noted last audit): N/A FACILITY COMPLIANCE AUDIT REPORT Division of Waste Management Solid Waste Section Pa(,,c 2 of 2 AREAS OF CONCERN AND COMMENTS: 1. Facility currently operating in a temporary location. 2. A new bin type system is planed for the composting operations. This system will utilize 6 bins in the location of the old composting area and include a new 30 ft. by 30 ft. covered finish product storage area. Construction of the new facility is scheduled to begin on April 9. Please contact me if you have any questions or concerns regarding this audit report. -Bignature) Phone: 828-296-4700 i Regional Rej)resentative Distribution: original signed copy to facility -- signed copy to compliance officer — e-mail or copy to super elivered on _[ Click and type date 1 by hand delivery US Mail tified No. Lj E2.j Advanced Composting TECHNOLOGIES OPERAMN AND MAINTENANCE FLAN FOR TROUT WASTE COMPOSTING FACILITY OWNER: SUNBURST TROUT COMPANY, LLC OPERATOR: GENERAL MANAGER: MR. CHRIS INMAN LOCATION: 128 RACEWAY PLACE CANTON, NC 28716 Telephone (828) - 648 - 3010 n Cell (828) - 421 - 4957 TYPE OF OPERATION: TROUT PROCESSING OPERATION SYSTEM SUPPLIER: AAVANCED COMPOSTING TECHNOLOGIES, LLC 1-888-600-3004 AQu ca<lturq l�rocessi Waste compostin sy�i�ms shill b� o�eraie� and maintained in accordance with the Policyy of }fie NC Dept of Environment and Natural Resources, Division of Waste znagemenf, Solid Waste Section. Disposal jlando application) or other disposal shall also be in accordance with the policy of this Division. Tile address is: Solid Waste Section Division of Waste Management Composting and Land Application Branch NC Dept. of Environment & Natural Resources 1646 Mail Service Center Raleigh, NC 27699-1646 Phone: 919-608-8508 Attn: Mr. Ted Lyon Landowner / Operator concurrence: Date: Keith Warren Page 1 5/10/2007 Basics of Composting Composting is a natural biological process of decomposition of organic materials in a predominantly aerobic environment. Because forced aeration mechanically moves fresh oxygen -rich air up through the composting pile, evenly and at pre -determined intervals, optimum aerobic conditions are maintained throughout the duration of the composting process. Forced aeration removes one of the limiting factors associated with the traditional static pile composting process — the lack of oxygen within the pile — and results in maximum breakdown of the material in a minimum amount of time. During the process, bacteria, fungi and other microorganisms break down organic materials to a stable mixture called compost while consuming oxygen and releasing heat, water, and carbon dioxide (CO2). The finished compost resembles humus and can be used as a soil amendment. Composting reduces the volume of the parent materials and pathogens are destroyed if the process is controlled properly. All disease -causing organisms are subjected to at least three adverse conditions during composting: heat, toxicity caused by products of decomposition, and microbial antagonism. Heat generated in the composting process is the primary determinant studied as the inactivator of disease -causing organisms. Heat is also the performance indicator of microbial activity within the composting pile. An extended period of heat (minimum of 5 consecutive days) in the desired range (above 140°F) achieved during composting is essential for the destruction of most pathogens. With proper management, the forced aeration composting process will produce temperatures consistently higher than the typical static pile composting pile as noted earlier. Higher temperatures translate into higher microbial activity, reduced retention time in each bin and better pathogen reduction. Normal temperatures for forced aeration are typically in the range of 150°F for 10 or more consecutive days. The effect of pH and the action of other bacteria and fungi on the destruction of disease -causing organisms is still largely unknown. Only minimal research has been done with disease -causing organisms of animals with regard to the ability of the composting process to destroy them. A recent review of chemical and microbial hazards to humans from urban waste composting facilities indicates that the assumption that all disease -causing organisms are killed by composting may be faulty. Some important procedures to minimize risk include the following. Manage the site to prevent contaminated runoff or leachate from contacting animal housing or vehicles and equipment. Disease -causing organisms may survive in contaminated leachate for at least several days and possibly a longer period of time. (Advanced Composting's sloped floor design combined with a geo-textile filtration material on the floor of each bin, facilitate better drainage and capture of the excess moisture)_ Prevent rodents and scavenging animals from digging in the pile and spreading the contaminated material. Keith Warren Page 2 5/10/2007 o Following recommendations for sawdust covering will provide a barrier to most pests. o Fencing may be necessary if proper coverage is not maintained and animals have gained access. o Fly infestation problems are minimized with appropriate pile temperature and sawdust cover over the processing waste. All living organism require carbon, nitrogen, oxygen, hydrogen, and many other elements to survive. Any requirement that is not met will limit the growth, reproduction, and ultimate survival of the organism_ Composting is focused on understanding and meeting the needs of the organisms that are actually doing the composting, While composting occurs naturally, the process requires proper conditions to occur rapidly, minimize odor generation, and prevent nuisance problems. Over 20 controllable factors affect composting. Table 1 lists eight of those factors and acceptable ranges to aim for when composting. Of these factors, the four major factors to be controlled in the composting process are the material mix (nutrient balance), water content, porosity or aeration, and temperature. Table 1. Guidelines for composting- major factors. Reasonable Range Preferred Range Nutrient balance, C/N 25:1 - 40:1 30:1 -- 35:1 Water Content 45-65% w.b. 50-60% w.b. Particle Size 0.8-1.2 cm (1/8-1/2 inch) Depends on Material Porosity 30-50% 35-45% Bulk Density <640 kg/m3 (1100lb/yd') pH 5.8-9.0 6.5-8.0 Oxygen Concentration >5% > 10% Temperature (110-1550F) (130-1500F) Material Mix (C/N) The proper composting mixture requires both carbon and nitrogen at the proper Carbon/Nitrogen ratio. A proper C/N ratio will result in a composting . process that generates little odor, yet offers an environment where microorganisms can flourish. Generally an initial C/N ratio that is 25:1 to 40:1 is satisfactory. Most "compostable" animal materials have a C/N ratio that is too low to compost properly on their own, usually below 10:1. In order to compost these materials, amendments that contain high levels of carbon must be added. Plant materials such as wood chips, sawdust, chopped corn stover or straw have a high C/N ratio and are ideal fqr on -farm composting. A sample of the trout processing waste recently tested for C/N ratio came back at 6.7/1. This high level of nitrogen dictates the need for several volumes of sawdust (or equally high carbon source) in order to obtain the desired C/N ratio. Keith Warren Page 3 5/10/2007 Water Content & Porosity Like all living things, microorganisms need water. To encourage their growth and rapid composting, water content of the mixture should be 50 to 60% (wet basis . It is critical to the process that this moisture content be maintained from the very beginning and throughout the composting process. The forced aeration floor design compensates for excess moisture by allowing it to leach out of the materials and drain to the back of each bin, where it is captured and retumed to the process during the construction of the composting piles. Leachate must be returned to the composting process prior to PFRP and VAR as stated in section 1406.12. Once a bin is capped off with sawdust or other carbon source, you must use only clean water (not leachate) as the source of additional moisture. This prevents contaminating the processed compost with untreated microbial organisms. Determining the level of moisture present in each pile is not as complicated as one might think. Take a small sample (a handful) of material from each pile. If the mixture feels moist, and when a handful is squeezed only one or two drops of moisture is released, the mixture has adequate water content. Low moisture content significantly slows down the composting process. And since this is a covered facility, adding leachate during the filling stage and clean water only during the composting process may be needed to avoid process inhibition. Microorganisms that are encouraged to grow in a compost pile are aerobic, or require oxygen. Open spaces (porosity) must be maintained to allow air to penetrate and move through the pile providing oxygen. Approximately 20 to 25% of the pile volume is anticipated to be small open spaces. This percentage is directly related to the coarseness of the carbon source. Sawdust is typically very fine particles of wood and therefore provides less porosity than does a wood chip. Woodchips, although they provide greater porosity than do sawdust, they also tend to be only partially composted at the end of the composting process. . The addition of forced aeration greatly improves the availability of fresh oxygen for microbial activity. The rule of thumb for controlling the amount of aeration in this particular system is to start at 2 min/cycle during the filling process, increasing to 3 min/cycle about half way through the filling process and once the bin is completely filled and capped off increasing to 5 min/cycle. A control panel has been provided to make selecting and directing aeration to the bins extremely simple. Since each bin is aerated separately, simply switch the On/Off switch to the "On" position for the bin that you want to provide aeration to, and set the aeration cycle time for that bin to the desired number of minutes, from two to five. if there is not a noticeable increase in temperature once the bin is capped off, then increase the time to six minutes and wait till the following day to look for improved temperatures. A maximum of six minutes per cycle can be used during the initial start-up of the composting pile if temperatures are not rising fast enough at five min/cycle. Do not hesitate to contact Advanced Composting Technologies, LLC should temperatures not reach the 140OF level in the first seven days after capping off a bin. Keith Warren Page 4 5/10/2007 Temperature "The typical static pile composting process will generate and regulate its own temperature, As the pile heats up, warm air within the mixture will rise and move out of the pile, while fresh air will be drawn in to replace it. This process exhausts COZ created in the pile, and maintains an aerobic environment for the microorganisms, " By forcing fresh air up through the pile, exhausting the CO,,, aerobic environments can be maintained even in the denser environments. Forced aeration composting allows the grower to regulate temperature by controlling the amount of aeration, generating greater microbial activity and therefore higher processing temperatures. Since concrete has little insulation value, We recommend at least 6" of clearance (buffer or insulation) from the fish waste and the concrete wall. Temperatures measured less than 6" from the wall will reveal a 10 to 20 degree drop from those further than 6" away from a wall surface, The NC Dept, of Environment and Natural Resources Division of Waste Management, Solid Waste Division policy requires a minimum of 131°F for three consecutive days. With forced aeration composting you should target a minimum of 10 days above 150OF therefore exceeding the above mentioned policy. You are required to make the composting operation available for inspection by -any NCDENR's Officer, All records of material composted and temperature records must be available as required under Section 1406.11. The following figure is a schematic showing the process followed for static pile composting of processing fish waste material. The bin compost pile is an inconsistent mixture with multiple layers of material (the processing waste) having a low C/N ratio, a high moisture content, and very limited porosity surrounded by a material (the composting medium) with a high C/N ratio, low moisture levels, and good porosity. The processing waste and the composting medium are layered into the pile and no mixing is required until after the "first stage" of high microbial j'i decomposition stage —high temperatures — of composting has occurred. If the composting material has reached the required 131'F for three consecutive days and Fias remained above 105°F for the required 14 dais where the average daily temperature for the period has been above 120°F, then from a `! regulatory standpoint the material requires no additional composting. However; in order to produce a more marketable product, we recommend removing the material from the first stage of composting; mixing and turning the material, and replacing the composting material into another bin for what is referred to as second stage composting. In this stage, the partially composted material has been homogenized and should see a second highly active stage of microbial activity even though it may not be as hot or last as long as the first stage. This second stage will also provide additional pathogen reduction and significantly reduce the amount of time required in storage before the compost reaches maturity. Keith Warren Page 5 5/10/2007 FISH WASTE COMPOSTING MIX PRIMARY {i !4111 COMPOSTING EJ � Fi 1Ris�: RECYCLED COMPOST SECONDARY I STORAGE COMPOSTING I USA Material flow in a typical "processing fish waste composting system" utilizing forced aeration. Mixing of the carbon and nitrogen sources into a composting medium and surrounding the waste with the mix is critical in accelerating the composting process. With fish processing waste, a layering of nitrogen (waste) and carbon (sawdust) in the first stage may be adequate. fig Cross -Sectional View of Composting in a forced aeration bin for fish waste. The layering process is critical to getting consistent decomposition as fast as possible. Thin layering of the processing waste surrounded by a drier layer of sawdust allows the process of decomposition to begin immediately after filling of the bins takes places. This material is not moved to the second phase or second stage of composting until the material has finished the first phase of composting where temperatures reach 150OF or greater. The above figure is a cross section of the compost pile for fish process materials. The decomposition process in static pile composting typically is anaerobic (lacking oxygen) in and around the fish waste, which generates odors in turning. Forced aeration minimizes this anaerobic zone by continually purging CO2 and replacing it with fresh oxygen -rich ambient air. Surrounding the layers of fish waste with a high carbon source and frequently aerating the compost pile has the potential to accelerate the decomposition significantly faster than static pile composting, up to three times faster. Keith Warren Page 6 5/10/2007 Managing the Composting of Fish Processing Waste Practices of composting fish waste are very simple. The following is recommended as a guide for properly operating the composter. 1. After inspecting each aeration tube connection, place the geo-textile fabric down covering the entire floor of the composting bin. This filter material allows the compost to drain excess liquids while preventing solids from clogging the aeration holes and the leachate collection lines. Lay two un- treated 12' wooden boards down on top of the fabric to serve as guides for the skid steer's bucket during unloading. 2. Construct a base from sawdust or acceptable carbon amendment at least 6" thick. This base will filter out liquids that are present in the processing waste. It also permits air movement and microbial action underneath the first layer of processing waste. With the sloped floor and filter fabric, excess leachate will be drained and captured for recirculation back into the next bin that is being filled or handled separately in a bin designated for handling the leachate. If liquids begin to leach out of the pile under the front door, spread sawdust immediately in front of the doors to absorb the liquids. 3. Then place a single layer of process waste on the previous layer of sawdust or mix and spread evenly across the base. A rake or other long handled tool may be needed to spread the fish waste evenly out on the sawdust bed. Add four to six inches of sawdust to the top of each layer of process waste in order to minimize odors and vectors as well as providing an absorbing layer for the next addition of waste. After the first layer of processing waste is added to the bin, turn the control switch for that bin to the "On" position and set the timing for 2 minutes. This short duration of aeration will also accelerate the growth of microbes while the bin is being filled. 4. Spray the leachate onto the designated sawdust bin while filling the other bins and remember to cut the pump off with the switch even though the limit switch will cut the pump off automatically once the level of leachate drops to the minimum level. Measure temperatures in this bin when taking temperature readings from the other bins and document accordingly. (See leachate management below for detailed instructions) 5. Once the bin is completely filled, cover the pile with at least 6" of pure sawdust or other carbon -rich source. This cover acts as the Biofilter for odor control around the pile and insulates the pile to retain heat. Odors may be released when an inadequate cover is used or when it is too dry. The released odors may also attract scavenging animals and pests to the pile. Increase the timing for that bin to the maximum 6 minutes. Add clean water only from this point in the composting process forward in order to prevent contaminating the composting material with untreated microbes. The aeration cycle time can be adjusted down once the material has reached the desired 150OF processing window. 6. For fish waste, the first stage of composting is generally 25 to 30 days after the last layer has been placed into the pile but may last longer than that and Keith Warren Page 7 5/10/2007 should not be moved unless that bin is needed until temperatures begin to drop below 135'F. After this time the compost is removed from the first stage bin, placed on the working pad or in front of the storage shed, mixed and turned and again loaded back into another forced aeration bin for second stage composting (as explained earlier)_ 7. The composting material should be allowed to compost for an additional time period of 10 to 15 days in this second stage. Follow the same rule of thumb noted in Step 6 above, namely that the material should stay in second stage until temperatures begin to drop below 135°F. Should the pile need additional moisture, use only clean water, and never use leachate after_ the initial filling stage. The secondary pile should then be taken out of the bin, mixed and turned on the working pad again and placed in the storage facility for storage of another 30 days. Moving and turning the pile from first stage to second stage and then to storage breaks up any highly compacted areas that might remain and mixes the contents of the pile, leading to more uniformity in the finished compost. Data Collection and Record Keeping LOADING: As the trout processing waste is being mixed and loading into the composting bins, it is critical that the amount of both components, process waste and sawdust, is estimated and documented. Based on the original sample of process waste, which had a C/N ratio of 6.711, a minimum of two volumes of sawdust will have to be added per volume of process waste. This recipe may have to be adjusted upward if odor in both the composting process and in the finished compost is unacceptable. Adding another volume of carbon to the mix will increase the C/N ratio and reduce odor emissions during composting as well as ammonia emissions in the finished compost. Weighting each load of process waste and sawdust brought to the bins is not practical or necessary. A detailed weighing of one loader bucket (or other primary collection container) full of sawdust and then process waste once during each quarter can be used to estimate the weight of these materials during normal production. Using one Data Collection Sheet (located at the end of this manual) per composting bin filled meets the state's requirements for documentation of the volume and weight of process waste moving through the composting process. Recording the amount of material placed in each bin will also assist in troubleshooting any process problems that might occur. Keep this data for each bin of material composted. Keith Warren Page 8 5/10/2007 TEMPERATURES: In order to monitor the composting process, it is necessary to monitor the internal temperatures being generated by the compost pile. Temperatures should be taken at several places in the pile that represent the entire pile; usually one or two samples from each of three separate locations; along the back of the bin, in the middle of the bin and along the front of the bin. Temperature recording can be done easily with a three ft. stainless steel temperature probe; (1/4 inch probe diameter or larger is recommended). From an operational standpoint, monitoring temperatures within the composting bin indicates the progress of the composting process. These temperatures need to be taken and recorded at or near the same location from day to day. Randomly check other places in the pile to verify that the rest of the bin is progressing along the same levels as those locations that are being monitored and recorded. These temperatures should be recorded each day that additional material is being brought to the composting site, typically Monday, Tuesday, Thursday, and Friday. Temperature records must be kept for each bin in both first stage and second stage processes. This is absolutely critical in the first several weeks of the compost process. Take as many samples as necessary to insure that the pile is reaching temperatures throughout the bin. This can be extremely helpful in identifying problems that may occur during start-up of each bin. Typically, once the process is running, checking temperatures and adding moisture is about all that is required. From a regulatory standpoint, monitoring and recording temperatures insures that the process has been performing at or above the required temperatures in order to reduce the level of pathogens in the finished compost. It is therefore critical not only from an operational concern but also from a regulatory requirement that temperatures be taken at least on the four processing days, currently designated as Monday, Tuesday, Thursday, and Friday. Using the same Data Collection Sheet noted earlier where loading data was recorded for that bin meets the state's requirements for documentation of the temperatures for the reduction of pathogens. Again, temperatures need to be documented for both first and second stages. SAMPLING and TESTING: Before the finished compost can be moved off site and every six months thereafter, either for sale or for land application, a representative sample of the finished composted material must be tested for the following: Pathogen Reduction to meet Section 1406.12's requirement for PFRP. This test will predict the Most Probable Number of Fecal Coliform per gram of sample. The result must be below 1,100 MPN/g as tested in accordance with the Test Methods for the Evaluation of Compost and Composting (TMECC) and the U.S. Composting Council's Seal of Testing Assurance Program. Keith Warren Page 9 5/10/2007 Heavy Metals to include Arsenic, Cadmium, Copper, Mercury, Molybdenum, Nickel, Lead, Selenium, and Zinc, Results will be in milligrams per kilogram. Sampling should be done on each bin before it moves to storage by taking several random pint size samples from the bin, mixing them together, and from the mix, taking one, pint size sample_ Store the representative bin samples in a clean 5-gallon bucket in cool place until you have accumulated 3 months of samples. Mix the contents of the bucket several times during the 3 months and again before the final sample is taken from the bucket. This quart sample should be sent to an approved lab after each three month period for a Heavy Metals Analysis as noted above. Inert Materials Test to look for any inert or non-compostable materials, such as glass, plastic, metals, etc. This test is to be performed on the same accumulated samples taken and stored for three months as noted in Heavy Metals. A one gallon sample should be taken and visually inspected for the above noted materials. Any thing in the sample that is not organic should be noted on the test. This visual inspection for inert materials must be documented each quarter in order to meet the requirements of the Division of Waste Management. Land Application of Compost First and foremost, follow an approved nutrient management plan. Test compost material for carbon, nitrogen, moisture, and pH if compost fails to reach the proper temperature or if odor problems develop. The finished compost material should be periodically tested for constituents that could cause plant phytotoxicity as the result of application to crops. Compost made from dead animal or animal pants should be tested for indicator pathogens such as E. coli and salmonella. The disposal of the compost shall adhere to all federal, state, and local laws, rules, and regulations. It is the responsibility of the producer to properly manage the facility on a daily basis. Pest Management Animals digging into the compost can be a problem, although it is less likely in forced aerated concrete bins with tight fitting doors. Measures must be taken if this occurs to maintain bio-security and a positive public perception. The easiest way to prevent this from occurring is to maintain the necessary minimum cover (6 inches sawdust for bins over all process waste. NEVER ALLOW PROCESSING WASTE TO BE EXPOSED. It may become necessary to fence or build a structure to eliminate scavengers from the compost unit if they cannot be kept out. It is easier and cheaper to maintain adequate cover than to incur the additional cost of a fence or structure. Operation and management will determine the needs of the system. Keith Warren Page 10 5/10/2007 Maintenance Inspect each compost bin unit when it is empty. Semi-annually remove the geo-textile fabric after unloading and spray from the bottom side through the material to remove solids trapped on the top side. The geo-textile fabric should last at least one year if not longer. Inspect the tubes, and the aeration holes. These holes must be open in order to provide uniform and even distribution of the aeration. The pipes should last several years before needing to be replaced. All of the plastic components of the system are common plumbing supplies and are conveniently carried by most large home improvement retailers. The regenerative blower is equipped with an inlet filter that should be cleaned monthly and replaced at least annually. Because there are few moving parts in the air blower, reliability has been excellent. After five years it is recommended that the blowers be returned to Advanced Composting for credit on a refurbished unit. Contact Advanced Composting @ 1-888-600-3004 for replacement filters and geo-textile fabric. Patch concrete floors, curbs, or gravel areas as necessary to assure proper operation and integrity, Examine roofed structures for structural integrity and leaks. Maintain a dense stand of vegetation around the composting facility year round. Contingency Planning It is critical that you make specific plans for waste disposal in the event of an emergency. Depending on the type and degree of emergency, there are several alternatives. There are several situations that must be addressed and a contingency plan developed so that if and when the situation occurs, the appropriate responses are already approved and planned for. A list follows that addresses those situations that can be anticipated: Situation Response A Fish Kill "Advanced Composting" has several 40-yard portable composting containers that can be brought to the facility for composting during emergency situations. Of the total number of bins in this particular system, only half of them are involved in first stage composting. These should not be disturbed in the event of an emergency. However, those bins involved in second stage composting of material that has already undergone a high heat cycle can be moved to the storage area. This opens up a significant amount of composting capacity and should be the first line of action in the event of unusually high processing waste. The storage building or drystack could be emptied and fish mortalities covered with sawdust or other carbon source until the capacity is availablefor composting. Keith Warren Page 11 5/10/2007 Situation Response Freezing Weather This situation should not present an emergency due to the fact that the composting process works well, although a bit slower, even in cold weather conditions. The leachate lines are covered sufficiently with dirt to prevent freezing pipes and the leachate storage tank is below grade. And since the structure is covered, snow and freezing rain should not create an adverse situation for the composting operation. Rain As the composting bins are covered, and any excess leachate present in the bins will drain to the back of the bins, rain should not create emergency situations... normally. However, too much rain that results in flooding could present an emergency situation. Flies Flies are typically attacked to a composting pile particularly if there is animal waste present. This condition can be minimized by keeping a thin cover of sawdust or other high carbon source over each layer of fresh processing waste. Adding leachate back to the new piles before adding the sawdust cover should also help. Another operational method of reducing the amount of flies is to pressure -wash the doors and floors of the composting area. Keeping the processing area clean also tends to reduce flies. Odors Odors generated from the composting process can be minimized in the same way as described for fly control. If one pile is producing more odors than normal, taking the material out, mixing it, and returning it to the bin can usually solve excessive odors. Note that high odors tend to indicate a problem within the bin and should not be ignored- Blowers/valves The regenerative blower is a highly reliable and relatively low maintenance piece of equipment. Advanced Composting will stock both blowers and valves for easy replacement and or repair. Leachate System Cleanouts on both ends of the composting bin structure have been installed to facilitate cleaning of the leachate collection line. The leachate tank sump pump was selected because of its corrosion resistance and extremely reliable performance. Advanced Composting will also stock spare leachate sump pumps. Should all else fail, the leachate tank can be pumped by a local septic tank pumping company. Keith Warren Page 12 5/10/2007 United States Department of Agriculture 0 N R C S Natural Resources Conservation Service Haywood County Soil and Water Conservation District Kara M. Cassels, District Conservationist 589 Raccoon Road Suite 203 Waynesville, NC 28786-3217 ....... ...... ............................_ ._......_...._.._._..._._......._.........._.._...._._.. .... Client Contact Information Tract # Richard Jennings, Sunburst Trout Farm Acres: FSA ft Howard Tew Recommendations Tyae Home 9 Cell 8 Work# Issues/Practice Interest: Compostingfacility acility pre -construction meeting. Howard Tew, Ted Lyon, Skip Thompson, Keith Warren, Mike Kirchmeyer, Chris Inman, Dick Jennings, Kara Cassels Date Activity 9/27/2006 1— Stay a minimum of 5 feet away from chain link fence in all construction 2— Bed the leachate tank will) a minimum of 8 inches of 1/2-3/4 inch washed stone with geotextile fabric filter cloth undemeath. Install a perforated PVC or polyethylene pipe on top of the geotextile in the washed stone running the long dimension in the center of the trench. Outlet the pipe on the trout farm side of the tank in a location where it can be easily inspected. Install an animal guard (nail through center of pipe) on the outlet of the drainpipe. 3- Collect roof runoff on all structures. Convey runoff well away from structures. Do not allow the roof runoff to flow and mix with runoff from concrete lots. Gutter the stacking facility. With composting facility, will need to trench behind the building and put washed stone down, with a pipe leading into the stream. 4-Construct a diversion (swale) from the entrance. Access Road berm at the upper end of the site to the (beyond) pine tree at the lower end. Grade the diversion in such a manner that it can be mowed and maintained easily. All site runoff (except roof runoff) is to be captured in the diversion as a filter strip. Grade should be a minimum of I ft deep at a 2-4% grade. Keith Warren Page 13 5/10/2007 [E�'*j Advanced Composting TECHNOLOGIES LOGIES 1-888-600-3004 Notes: Keith Wan -en Page 14 5/10/2007 COMPOST BIN NUMBER LOADING DATA TEMPERATURE DATA Day No. Date Est. Total Weight lbs` Temperature After Full IF Est. Process Waste Carbon Source Sawdust Total pounds Date Avg. Back Temp. Avg. Middle Temp. Avg. Front Temp. Keith Warren Page 15 5/10/2007