Loading (50 kb)...'
(continued)
(C) A description of how the Class B pathogen requirements in §503.32(b) are met.
(D) When one of the vector attraction reduction requirements in §503.33 (b)(1) through (b)(8) is met, a description of how the vector attraction reduction requirement is met.
(ii) The person who applies the bulk sewage sludge shall develop the following information and shall retain the information for five years.
(A) The following certification statement:
I certify, under penalty of law, that the information that will be used to determine compliance with the management practices in §503.14, the site restrictions in §503.32(b)(5), and the vector attraction reduction requirement in (insert either §503.33(b)(9) or (b)(10) if one of those requirements is met) was prepared for each site on which bulk sewage sludge is applied under my direction and supervision in accordance with the system designed to ensure that qualified personnel properly gather and evaluate this information. I am aware that there are significant penalties for false certification including the possibility of fine and imprisonment.
(B) A description of how the management practices in §503.14 are met for each site on which bulk sewage sludge is applied.
(C) A description of how the site restrictions in §503.32(b)(5) are met for each site on which bulk sewage sludge is applied.
(D) When the vector attraction reduction requirement in either §503.33 (b)(9) or (b)(10) is met, a description of how the vector attraction reduction requirement is met.
(E) The date bulk sewage sludge is applied to each site.
(5) If the requirements in §503.13(a)(2)(i) are met when bulk sewage sludge is applied to agricultural land, forest, a public contact site, or a reclamation site:
(i) The person who prepares the bulk sewage sludge shall develop the following information and shall retain the information for five years.
(A) The concentration of each pollutant listed in Table 1 of §503.13 in the bulk sewage sludge.
(B) The following certification statement:
I certify, under penalty of law, that the information that will be used to determine compliance with the pathogen requirements in (insert either §503.32(a) or §503.32(b)) and the vector attraction reduction requirement in (insert one of the vector attraction reduction requirements in §503.33(b)(1) through (b)(8) if one of those requirements is met) was prepared under my direction and supervision in accordance with the system designed to ensure that qualified personnel properly gather and evaluate this information. I am aware that there are significant penalties for false certification including the possibility of fine and imprisonment.
(C) A description of how the pathogen requirements in either §503.32 (a) or (b) are met.
(D) When one of the vector attraction requirements in §503.33 (b)(1) through (b)(8) is met, a description of how the vector attraction requirement is met.
(ii) The person who applies the bulk sewage sludge shall develop the following information, retain the information in §503.17 (a)(5)(ii)(A) through (a)(5)(ii)(G) indefinitely, and retain the information in §503.17 (a)(5)(ii)(H) through (a)(5)(ii)(M) for five years.
(A) The location, by either street address or latitude and longitude, of each site on which bulk sewage sludge is applied.
(B) The number of hectares in each site on which bulk sewage sludge is applied.
(C) The date bulk sewage sludge is applied to each site.
(D) The cumulative amount of each pollutant (i.e., kilograms) listed in Table 2 of §503.13 in the bulk sewage sludge applied to each site, including the amount in §503.12(e)(2)(iii).
(E) The amount of sewage sludge (i.e., metric tons) applied to each site.
(F) The following certification statement:
I certify, under penalty of law, that the information that will be used to determine compliance with the requirement to obtain information in §503.12(e)(2) was prepared for each site on which bulk sewage sludge was applied under my direction and supervision in accordance with the system designed to ensure that qualified personnel properly gather and evaluate this information. I am aware that there are significant penalties for false certification including the possibility of fine and imprisonment.
(G) A description of how the requirements to obtain information in §503.12(e)(2) are met.
(H) The following certification statement:
I certify, under penalty of law, that the information that will be used to determine compliance with the management practices in §503.14 was prepared for each site on which bulk sewage sludge was applied under my direction and supervision in accordance with the system designed to ensure that qualified personnel properly gather and evaluate this information. I am aware that there are significant penalties for false certification including the possibility of fine and imprisonment.
(I) A description of how the management practices in §503.14 are met for each site on which bulk sewage sludge is applied.
(J) The following certification statement when the bulk sewage sludge meets the Class B pathogen requirements in §503.32(b):
I certify, under penalty of law, that the information that will be used to determine compliance with the site restrictions in §503.32(b)(5) for each site on which Class B sewage sludge was applied was prepared under my direction and supervision in accordance with the system designed to ensure that qualified personnel properly gather and evaluate this information. I am aware that there are significant penalties for false certification including the possibility of fine and imprisonment.
(K) A description of how the site restrictions in §503.32(b)(5) are met for each site on which Class B bulk sewage sludge is applied.
(L) The following certification statement when the vector attraction reduction requirement in either §503.33(b)(9) or (b)(10) is met:
I certify, under penalty of law, that the information that will be used to determine compliance with the vector attraction reduction requirement in (insert either §503.33(b)(9) or §503.33(b)(10)) was prepared under my direction and supervision in accordance with the system designed to ensure that qualified personnel properly gather and evaluate this information. I am aware that there are significant penalties for false certification including the possibility of fine and imprisonment.
(M) If the vector attraction reduction requirements in either §503.33 (b)(9) or (b)(10) are met, a description of how the requirements are met.
(6) If the requirements in §503.13(a)(4)(ii) are met when sewage sludge is sold or given away in a bag or other container for application to the land, the person who prepares the sewage sludge that is sold or given away in a bag or other container shall develop the following information and shall retain the information for five years:
(i) The annual whole sludge application rate for the sewage sludge that does not cause the annual pollutant loading rates in Table 4 of §503.13 to be exceeded.
(ii) The concentration of each pollutant listed in Table 4 of §503.13 in the sewage sludge.
(iii) The following certification statement:
I certify, under penalty of law, that the information that will be used to determine compliance with the management practice in §503.14(e), the Class A pathogen requirement in §503.32(a), and the vector attraction reduction requirement in (insert one of the vector attraction reduction requirements in §503.33(b)(1) through §503.33(b)(8)) was prepared under my direction and supervision in accordance with the system designed to ensure that qualified personnel properly gather and evaluate this information. I am aware that there are significant penalties for false certification including the possibility of fine and imprisonment.
(iv) A description of how the Class A pathogen requirements in §503.32(a) are met.
(v) A description of how one of the vector attraction requirements in §503.33 (b)(1) through (b)(8) is met.
(b) Domestic septage. When domestic septage is applied to agricultural land, forest, or a reclamation site, the person who applies the domestic septage shall develop the following information and shall retain the information for five years:
(1) The location, by either street address or latitude and longitude, of each site on which domestic septage is applied.
(2) The number of acres in each site on which domestic septage is applied.
(3) The date domestic septage is applied to each site.
(4) The nitrogen requirement for the crop or vegetation grown on each site during a 365 day period.
(5) The rate, in gallons per acre per 365 day period, at which domestic septage is applied to each site.
(6) The following certification statement:
I certify, under penalty of law, that the information that will be used to determine compliance with the pathogen requirements (insert either §503.32(c)(1) or §503.32(c)(2)) and the vector attraction reduction requirement in [insert §503.33(b)(9), 503.33(b)(10), or §503.33(b)(12)] was prepared under my direction and supervision in accordance with the system designed to ensure that qualified personnel properly gather and evaluate this information. I am aware that there are significant penalties for false certification including the possibility of fine and imprisonment.
(7) A description of how the pathogen requirements in either §503.32(c)(1) or (c)(2) are met.
(8) A description of how the vector attraction reduction requirements in §503.33 (b)(9), (b)(10), or (b)(12) are met.
(Approved by the Office of Management and Budget under control number 2040–0157)
[58 FR 9387, Feb. 19, 1993, as amended at 64 FR 42569, Aug. 4, 1999]
§ 503.18 Reporting.
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(a) Class I sludge management facilities, POTWs (as defined in 40 CFR 501.2) with a design flow rate equal to or greater than one million gallons per day, and POTWs that serve 10,000 people or more shall submit the following information to the permitting authority:
(1) The information in §503.17(a), except the information in §503.17 (a)(3)(ii), (a)(4)(ii) and in (a)(5)(ii), for the appropriate requirements on February 19 of each year.
(2) The information in §503.17(a)(5)(ii)(A) through (a)(5)(ii)(G) on February 19th of each year when 90 percent or more of any of the cumulative pollutant loading rates in Table 2 of §503.13 is reached at a land application site.
(Approved by the Office of Management and Budget under control number 2040–0157)
[58 FR 9387, Feb. 19, 1993, as amended at 64 FR 42570, Aug. 4, 1999]
Subpart C—Surface Disposal
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§ 503.20 Applicability.
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(a) This subpart applies to any person who prepares sewage sludge that is placed on a surface disposal site, to the owner/operator of a surface disposal site, to sewage sludge placed on a surface disposal site, and to a surface disposal site.
(b) This subpart does not apply to sewage sludge stored on the land or to the land on which sewage sludge is stored. It also does not apply to sewage sludge that remains on the land for longer than two years when the person who prepares the sewage sludge demonstrates that the land on which the sewage sludge remains is not an active sewage sludge unit. The demonstration shall include the following information, which shall be retained by the person who prepares the sewage sludge for the period that the sewage sludge remains on the land:
(1) The name and address of the person who prepares the sewage sludge.
(2) The name and address of the person who either owns the land or leases the land.
(3) The location, by either street address or latitude and longitude, of the land.
(4) An explanation of why sewage sludge needs to remain on the land for longer than two years prior to final use or disposal.
(5) The approximate time period when the sewage sludge will be used or disposed.
(c) This subpart does not apply to sewage sludge treated on the land or to the land on which sewage sludge is treated.
§ 503.21 Special definitions.
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(a) Active sewage sludge unit is a sewage sludge unit that has not closed.
(b) Aquifer is a geologic formation, group of geologic formations, or a portion of a geologic formation capable of yielding ground water to wells or springs.
(c) Contaminate an aquifer means to introduce a substance that causes the maximum contaminant level for nitrate in 40 CFR 141.62(b) to be exceeded in the ground water or that causes the existing concentration of nitrate in ground water to increase when the existing concentration of nitrate in the ground water exceeds the maximum contaminant level for nitrate in 40 CFR 141.62(b).
(d) Cover is soil or other material used to cover sewage sludge placed on an active sewage sludge unit.
(e) Displacement is the relative movement of any two sides of a fault measured in any direction.
(f) Fault is a fracture or zone of fractures in any materials along which strata on one side are displaced with respect to strata on the other side.
(g) Final cover is the last layer of soil or other material placed on a sewage sludge unit at closure.
(h) Holocene time is the most recent epoch of the Quaternary period, extending from the end of the Pleistocene epoch to the present.
(i) Leachate collection system is a system or device installed immediately above a liner that is designed, constructed, maintained, and operated to collect and remove leachate from a sewage sludge unit.
(j) Liner is soil or synthetic material that has a hydraulic conductivity of 1×10-7 centimeters per second or less.
(k) Lower explosive limit for methane gas is the lowest percentage of methane gas in air, by volume, that propagates a flame at 25 degrees Celsius and atmospheric pressure.
(l) Qualified ground-water scientist is an individual with a baccalaureate or post-graduate degree in the natural sciences or engineering who has sufficient training and experience in ground-water hydrology and related fields, as may be demonstrated by State registration, professional certification, or completion of accredited university programs, to make sound professional judgments regarding ground-water monitoring, pollutant fate and transport, and corrective action.
(m) Seismic impact zone is an area that has a 10 percent or greater probability that the horizontal ground level acceleration of the rock in the area exceeds 0.10 gravity once in 250 years.
(n) Sewage sludge unit is land on which only sewage sludge is placed for final disposal. This does not include land on which sewage sludge is either stored or treated. Land does not include waters of the United States, as defined in 40 CFR 122.2.
(o) Sewage sludge unit boundary is the outermost perimeter of an active sewage sludge unit.
(p) Surface disposal site is an area of land that contains one or more active sewage sludge units.
(q) Unstable area is land subject to natural or human-induced forces that may damage the structural components of an active sewage sludge unit. This includes, but is not limited to, land on which the soils are subject to mass movement.
[58 FR 9387, Feb. 19, 1993, as amended at 64 FR 42570, Aug. 4, 1999]
§ 503.22 General requirements.
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(a) No person shall place sewage sludge on an active sewage sludge unit unless the requirements in this subpart are met.
(b) An active sewage sludge unit located within 60 meters of a fault that has displacement in Holocene time; located in an unstable area; or located in a wetland, except as provided in a permit issued pursuant to either section 402 or 404 of the CWA, shall close by March 22, 1994, unless, in the case of an active sewage sludge unit located within 60 meters of a fault that has displacement in Holocene time, otherwise specified by the permitting authority.
(c) The owner/operator of an active sewage sludge unit shall submit a written closure and post closure plan to the permitting authority 180 days prior to the date that the active sewage sludge unit closes. The plan shall describe how the sewage sludge unit will be closed and, at a minimum, shall include:
(1) A discussion of how the leachate collection system will be operated and maintained for three years after the sewage sludge unit closes if the sewage sludge unit has a liner and leachate collection system.
(2) A description of the system used to monitor for methane gas in the air in any structures within the surface disposal site and in the air at the property line of the surface disposal site, as required in §503.24(j)(2).
(3) A discussion of how public access to the surface disposal site will be restricted for three years after the last sewage sludge unit in the surface disposal site closes.
(d) The owner of a surface disposal site shall provide written notification to the subsequent owner of the site that sewage sludge was placed on the land.
[58 FR 9387, Feb. 19, 1993, as amended at 64 FR 42570, Aug. 4, 1999]
§ 503.23 Pollutant limits (other than domestic septage).
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(a) Active sewage sludge unit without a liner and leachate collection system.
(1) Except as provided in §503.23 (a)(2) and (b), the concentration of each pollutant listed in Table 1 of §503.23 in sewage sludge placed on an active sewage sludge unit shall not exceed the concentration for the pollutant in Table 1 of §503.23.
Table 1 of § 503.23_Pollutant Concentrations_Active Sewage Sludge
Unit Without a Liner and Leachate Collection
------------------------------------------------------------------------
Concentration
(milligrams
Pollutant per kilograms
\1\)
------------------------------------------------------------------------
Arsenic................................................. 73
Chromium................................................ 600
Nickel.................................................. 420
------------------------------------------------------------------------
\1\ Dry weight basis.
(2) Except as provided in §503.23(b), the concentration of each pollutant listed in Table 1 of §503.23 in sewage sludge placed on an active sewage sludge unit whose boundary is less than 150 meters from the property line of the surface disposal site shall not exceed the concentration determined using the following procedure.
(i) The actual distance from the active sewage sludge unit boundary to the property line of the surface disposal site shall be determined.
(ii) The concentration of each pollutant listed in Table 2 of §503.23 in the sewage sludge shall not exceed the concentration in Table 2 of §503.23 that corresponds to the actual distance in §503.23(a)(2)(i).
Table 2 of § 503.23_Pollutant Concentrations_Active Sewage Sludge
Unit Without a Liner and Leachate Collection System That Has a Unit
Boundary to Property Line Distance Less Than 150 Meters
------------------------------------------------------------------------
Unit boundary to property line Pollutant concentration \1\
------------------------------------------------------------------------
Arsenic Chromium Nickel
Distance (meters) (mg/kg) (mg/kg) (mg/kg)
------------------------------------------------------------------------
0 to less than 25........................ 30 200 210
25 to less than 50....................... 34 220 240
50 to less than 75....................... 39 260 270
75 to less than 100...................... 46 300 320
100 to less than 125..................... 53 360 390
125 to less than 150..................... 62 450 420
------------------------------------------------------------------------
\1\ Dry weight basis.
(b) Active sewage sludge unit without a liner and leachate collection system—site-specific limits.
(1) At the time of permit application, the owner/operator of a surface disposal site may request site-specific pollutant limits in accordance with §503.23(b)(2) for an active sewage sludge unit without a liner and leachate collection system when the existing values for site parameters specified by the permitting authority are different from the values for those parameters used to develop the pollutant limits in Table 1 of §503.23 and when the permitting authority determines that site-specific pollutant limits are appropriate for the active sewage sludge unit.
(2) The concentration of each pollutant listed in Table 1 of §503.23 in sewage sludge placed on an active sewage sludge unit without a liner and leachate collection system shall not exceed either the concentration for the pollutant determined during a site-specific assessment, as specified by the permitting authority, or the existing concentration of the pollutant in the sewage sludge, whichever is lower.
§ 503.24 Management practices.
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(a) Sewage sludge shall not be placed on an active sewage sludge unit if it is likely to adversely affect a threatened or endangered species listed under section 4 of the Endangered Species Act or its designated critical habitat.
(b) An active sewage sludge unit shall not restrict the flow of a base flood.
(c) When a surface disposal site is located in a seismic impact zone, an active sewage sludge unit shall be designed to withstand the maximum recorded horizontal ground level acceleration.
(d) An active sewage sludge unit shall be located 60 meters or more from a fault that has displacement in Holocene time, unless otherwise specified by the permitting authority.
(e) An active sewage sludge unit shall not be located in an unstable area.
(f) An active sewage sludge unit shall not be located in a wetland, except as provided in a permit issued pursuant to section 402 or 404 of the CWA.
(g)(1) Run-off from an active sewage sludge unit shall be collected and shall be disposed in accordance with National Pollutant Discharge Elimination System permit requirements and any other applicable requirements.
(2) The run-off collection system for an active sewage sludge unit shall have the capacity to handle run-off from a 24-hour, 25-year storm event.
(h) The leachate collection system for an active sewage sludge unit that has a liner and leachate collection system shall be operated and maintained during the period the sewage sludge unit is active and for three years after the sewage sludge unit closes.
(i) Leachate from an active sewage sludge unit that has a liner and leachate collection system shall be collected and shall be disposed in accordance with the applicable requirements during the period the sewage sludge unit is active and for three years after the sewage sludge unit closes.
(j)(1) When a cover is placed on an active sewage sludge unit, the concentration of methane gas in air in any structure within the surface disposal site shall not exceed 25 percent of the lower explosive limit for methane gas during the period that the sewage sludge unit is active and the concentration of methane gas in air at the property line of the surface disposal site shall not exceed the lower explosive limit for methane gas during the period that the sewage sludge unit is active.
(2) When a final cover is placed on a sewage sludge unit at closure, the concentration of methane gas in air in any structure within the surface disposal site shall not exceed 25 percent of the lower explosive limit for methane gas for three years after the sewage sludge unit closes and the concentration of methane gas in air at the property line of the surface disposal site shall not exceed the lower explosive limit for methane gas for three years after the sewage sludge unit closes, unless otherwise specified by the permitting authority.
(k) A food crop, a feed crop, or a fiber crop shall not be grown on an active sewage sludge unit, unless the owner/operator of the surface disposal site demonstrates to the permitting authority that through management practices public health and the environment are protected from any reasonably anticipated adverse effects of pollutants in sewage sludge when crops are grown.
(l) Animals shall not be grazed on an active sewage sludge unit, unless the owner/operator of the surface disposal site demonstrates to the permitting authority that through management practices public health and the environment are protected from any reasonably anticipated adverse effects of pollutants in sewage sludge when animals are grazed.
(m) Public access to a surface disposal site shall be restricted for the period that the surface disposal site contains an active sewage sludge unit and for three years after the last active sewage sludge unit in the surface disposal site closes.
(n)(1) Sewage sludge placed on an active sewage sludge unit shall not contaminate an aquifer.
(2) Results of a ground-water monitoring program developed by a qualified ground-water scientist or a certification by a qualified ground-water scientist shall be used to demonstrate that sewage sludge placed on an active sewage sludge unit does not contaminate an aquifer.
§ 503.25 Operational standards—pathogens and vector attraction reduction.
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(a) Pathogens—sewage sludge (other than domestic septage). The Class A pathogens requirements in §503.32(a) or one of the Class B pathogen requirements in §503.32 (b)(2) through (b)(4) shall be met when sewage sludge is placed on an active sewage sludge unit, unless the vector attraction reduction requirement in §503.33(b)(11) is met.
(b) Vector attraction reduction—sewage sludge (other than domestic septage). One of the vector attraction reduction requirements in §503.33 (b)(1) through (b)(11) shall be met when sewage sludge is placed on an active sewage sludge unit.
(c) Vector attraction reduction—domestic septage. One of the vector attraction reduction requirement in §503.33 (b)(9) through (b)(12) shall be met when domestic septage is placed on an active sewage sludge unit.
§ 503.26 Frequency of monitoring.
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(a) Sewage sludge (other than domestic septage). (1) The frequency of monitoring for the pollutants in Tables 1 and 2 of §503.23; the pathogen density requirements in §503.32(a) and in §503.32(b)(2); and the vector attraction reduction requirements in §503.33(b)(1) through (b)(4) and §503.33(b)(7) through (b)(8) for sewage sludge placed on an active sewage sludge unit shall be the frequency in Table 1 of §503.26.
Table 1 of § 503.26_Frequency of Monitoring_Surface Disposal
----------------------------------------------------------------------------------------------------------------
Amount of sewage sludge \1\ (metric tons
per 365 day period) Frequency
----------------------------------------------------------------------------------------------------------------
Greater than zero but less than 290........ Once per year.
Equal to or greater than 290 but less than Once per quarter (four times per year).
1,500.
Equal to or greater than 1,500 but less Once per 60 days (six times per year).
than 15,000.
Equal to or greater than 15,000............ Once per month (12 times per year).
----------------------------------------------------------------------------------------------------------------
\1\ Amount of sewage sludge placed on an active sewage sludge unit (dry weight basis).
(2) After the sewage sludge has been monitored for two years at the frequency in Table 1 of this section, the permitting authority may reduce the frequency of monitoring for pollutant concentrations and for the pathogen density requirements in §503.32(a)(5)(ii) and (a)(5)(iii).
(b) Domestic septage. If the vector attraction reduction requirements in §503.33(b)(12) are met when domestic septage is placed on an active sewage sludge unit, each container of domestic septage shall be monitored for compliance with those requirements.
(c) Air. Air in structures within a surface disposal site and at the property line of the surface disposal site shall be monitored continuously for methane gas during the period that the surface disposal site contains an active sewage sludge unit on which the sewage sludge is covered and for three years after a sewage sludge unit closes when a final cover is placed on the sewage sludge.
(Approved by the Office of Management and Budget under control number 2040–0157)
[58 FR 9387, Feb. 19, 1993, as amended at 64 FR 42570, Aug. 4, 1999]
§ 503.27 Recordkeeping.
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(a) When sewage sludge (other than domestic septage) is placed on an active sewage sludge unit:
(1) The person who prepares the sewage sludge shall develop the following information and shall retain the information for five years.
(i) The concentration of each pollutant listed in Table 1 of §503.23 in the sewage sludge when the pollutant concentrations in Table 1 of §503.23 are met.
(ii) The following certification statement:
I certify, under penalty of law, that the information that will be used to determine compliance with the pathogen requirements in (insert §503.32(a), §503.32(b)(2), §503.32(b)(3), or §503.32(b)(4) when one of those requirements is met) and the vector attraction reduction requirement in (insert one of the vector attraction reduction requirements in §503.33 (b)(1) through (b)(8) if one of those requirements is met) was prepared under my direction and supervision in accordance with the system designed to ensure that qualified personnel properly gather and evaluate this information. I am aware that there are significant penalties for false certification including the possibility of fine and imprisonment.
(iii) A description of how the pathogen requirements in §503.32 (a), (b)(2), (b)(3), or (b)(4) are met when one of those requirements is met.
(iv) A description of how one of the vector attraction reduction requirements in §503.33 (b)(1) through (b)(8) is met when one of those requirements is met.
(2) The owner/operator of the surface disposal site, shall develop the following information and shall retain that information for five years.
(i) The concentration of each pollutant listed in Table 2 of §503.23 in the sewage sludge when the pollutant concentrations in Table 2 of §503.23 are met or when site-specific pollutant limits in §503.23(b) are met.
(ii) The following certification statement:
I certify, under penalty of law, that the information that will be used to determine compliance with the management practices in §503.24 and the vector attraction reduction requirement in (insert one of the requirements in §503.33(b)(9) through §503.33(b)(11) if one of those requirements is met) was prepared under my direction and supervision in accordance with the system designed to ensure that qualified personnel properly gather and evaluate this information. I am aware that there are significant penalties for false certification including the possibility of fine and imprisonment.
(iii) A description of how the management practices in §503.24 are met.
(iv) A description of how the vector attraction reduction requirements in §503.33 (b)(9) through (b)(11) are met if one of those requirements is met.
(b) When domestic septage is placed on a surface disposal site:
(1) If the vector attraction reduction requirements in §503.33(b)(12) are met, the person who places the domestic septage on the surface disposal site shall develop the following information and shall retain the information for five years:
(i) The following certification statement:
I certify, under penalty of law, that the information that will be used to determine compliance with the vector attraction reduction requirements in §503.33(b)(12) was prepared under my direction and supervision in accordance with the system designed to ensure that qualified personnel properly gather and evaluate this information. I am aware that there are significant penalties for false certification including the possibility of fine and imprisonment.
(ii) A description of how the vector attraction reduction requirements in §503.33(b)(12) are met.
(2) The owner/operator of the surface disposal site shall develop the following information and shall retain that information for five years:
(i) The following certification statement:
I certify, under penalty of law, that the information that will be used to determine compliance with the management practices in §503.24 and the vector attraction reduction requirements in (insert §503.33(b)(9) through §503.33(b)(11) if one of those requirements is met) was prepared under my direction and supervision in accordance with the system designed to ensure that qualified personnel properly gather and evaluate this information. I am aware that there are significant penalties for false certification including the possibility of fine or imprisonment.
(ii) A description of how the management practices in §503.24 are met.
(iii) A description how the vector attraction reduction requirements in §503.33(b)(9) through §503.33(b)(11) are met if one of those requirements is met.
(Approved by the Office of Management and Budget under control number 2040–0157)
[58 FR 9387, Feb. 19, 1993, as amended at 64 FR 42571, Aug. 4, 1999]
§ 503.28 Reporting.
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Class I sludge management facilities, POTWs (as defined in 40 CFR 501.2) with a design flow rate equal to or greater than one million gallons per day, and POTWs that serve 10,000 people or more shall submit the information in §503.27(a) to the permitting authority on February 19 of each year.
(Approved by the Office of Management and Budget under control number 2040–0157)
Subpart D—Pathogens and Vector Attraction Reduction
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§ 503.30 Scope.
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(a) This subpart contains the requirements for a sewage sludge to be classified either Class A or Class B with respect to pathogens.
(b) This subpart contains the site restrictions for land on which a Class B sewage sludge is applied.
(c) This subpart contains the pathogen requirements for domestic septage applied to agricultural land, forest, or a reclamation site.
(d) This subpart contains alternative vector attraction reduction requirements for sewage sludge that is applied to the land or placed on a surface disposal site.
§ 503.31 Special definitions.
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(a) Aerobic digestion is the biochemical decomposition of organic matter in sewage sludge into carbon dioxide and water by microorganisms in the presence of air.
(b) Anaerobic digestion is the biochemical decomposition of organic matter in sewage sludge into methane gas and carbon dioxide by microorganisms in the absence of air.
(c) Density of microorganisms is the number of microorganisms per unit mass of total solids (dry weight) in the sewage sludge.
(d) Land with a high potential for public exposure is land that the public uses frequently. This includes, but is not limited to, a public contact site and a reclamation site located in a populated area (e.g, a construction site located in a city).
(e) Land with a low potential for public exposure is land that the public uses infrequently. This includes, but is not limited to, agricultural land, forest, and a reclamation site located in an unpopulated area (e.g., a strip mine located in a rural area).
(f) Pathogenic organisms are disease-causing organisms. These include, but are not limited to, certain bacteria, protozoa, viruses, and viable helminth ova.
(g) pH means the logarithm of the reciprocal of the hydrogen ion concentration measured at 25 °Centigrade or measured at another temperature and then converted to an equivalent value at 25 °Centigrade.
(h) Specific oxygen uptake rate (SOUR) is the mass of oxygen consumed per unit time per unit mass of total solids (dry weight basis) in the sewage sludge.
(i) Total solids are the materials in sewage sludge that remain as residue when the sewage sludge is dried at 103 to 105 degrees Celsius.
(j) Unstabilized solids are organic materials in sewage sludge that have not been treated in either an aerobic or anaerobic treatment process.
(k) Vector attraction is the characteristic of sewage sludge that attracts rodents, flies, mosquitos, or other organisms capable of transporting infectious agents.
(l) Volatile solids is the amount of the total solids in sewage sludge lost when the sewage sludge is combusted at 550 degrees Celsius in the presence of excess air.
[58 FR 9387, Feb. 19, 1993, as amended at 64 FR 42571, Aug. 4, 1999]
§ 503.32 Pathogens.
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(a) Sewage sludge—Class A. (1) The requirement in §503.32(a)(2) and the requirements in either §503.32(a)(3), (a)(4), (a)(5), (a)(6), (a)(7), or (a)(8) shall be met for a sewage sludge to be classified Class A with respect to pathogens.
(2) The Class A pathogen requirements in §503.32 (a)(3) through (a)(8) shall be met either prior to meeting or at the same time the vector attraction reduction requirements in §503.33, except the vector attraction reduction requirements in §503.33 (b)(6) through (b)(8), are met.
(3) Class A—Alternative 1. (i) Either the density of fecal coliform in the sewage sludge shall be less than 1000 Most Probable Number per gram of total solids (dry weight basis), or the density of Salmonella sp. bacteria in the sewage sludge shall be less than three Most Probable Number per four grams of total solids (dry weight basis) at the time the sewage sludge is used or disposed; at the time the sewage sludge is prepared for sale or give away in a bag or other container for application to the land; or at the time the sewage sludge or material derived from sewage sludge is prepared to meet the requirements in §503.10 (b), (c), (e), or (f).
(ii) The temperature of the sewage sludge that is used or disposed shall be maintained at a specific value for a period of time.
(A) When the percent solids of the sewage sludge is seven percent or higher, the temperature of the sewage sludge shall be 50 degrees Celsius or higher; the time period shall be 20 minutes or longer; and the temperature and time period shall be determined using equation (2), except when small particles of sewage sludge are heated by either warmed gases or an immiscible liquid.
Where,
D=time in days.
t=temperature in degrees Celsius.
(B) When the percent solids of the sewage sludge is seven percent or higher and small particles of sewage sludge are heated by either warmed gases or an immiscible liquid, the temperature of the sewage sludge shall be 50 degrees Celsius or higher; the time period shall be 15 seconds or longer; and the temperature and time period shall be determined using equation (2).
(C) When the percent solids of the sewage sludge is less than seven percent and the time period is at least 15 seconds, but less than 30 minutes, the temperature and time period shall be determined using equation (2).
(D) When the percent solids of the sewage sludge is less than seven percent; the temperature of the sewage sludge is 50 degrees Celsius or higher; and the time period is 30 minutes or longer, the temperature and time period shall be determined using equation (3).
Where,
D=time in days.
t=temperature in degrees Celsius.
(4) Class A—Alternative 2. (i) Either the density of fecal coliform in the sewage sludge shall be less than 1000 Most Probable Number per gram of total solids (dry weight basis), or the density of Salmonella sp. bacteria in the sewage sludge shall be less than three Most Probable Number per four grams of total solids (dry weight basis) at the time the sewage sludge is used or disposed; at the time the sewage sludge is prepared for sale or give away in a bag or other container for application to the land; or at the time the sewage sludge or material derived from sewage sludge is prepared to meet the requirements in §503.10 (b), (c), (e), or (f).
(ii)(A) The pH of the sewage sludge that is used or disposed shall be raised to above 12 and shall remain above 12 for 72 hours.
(B) The temperature of the sewage sludge shall be above 52 degrees Celsius for 12 hours or longer during the period that the pH of the sewage sludge is above 12.
(C) At the end of the 72 hour period during which the pH of the sewage sludge is above 12, the sewage sludge shall be air dried to achieve a percent solids in the sewage sludge greater than 50 percent.
(5) Class A—Alternative 3. (i) Either the density of fecal coliform in the sewage sludge shall be less than 1000 Most Probable Number per gram of total solids (dry weight basis), or the density of Salmonella sp. bacteria in sewage sludge shall be less than three Most Probable Number per four grams of total solids (dry weight basis) at the time the sewage sludge is used or disposed; at the time the sewage sludge is prepared for sale or give away in a bag or other container for application to the land; or at the time the sewage sludge or material derived from sewage sludge is prepared to meet the requirements in §503.10 (b), (c), (e), or (f).
(ii)(A) The sewage sludge shall be analyzed prior to pathogen treatment to determine whether the sewage sludge contains enteric viruses.
(B) When the density of enteric viruses in the sewage sludge prior to pathogen treatment is less than one Plaque-forming Unit per four grams of total solids (dry weight basis), the sewage sludge is Class A with respect to enteric viruses until the next monitoring episode for the sewage sludge.
(C) When the density of enteric viruses in the sewage sludge prior to pathogen treatment is equal to or greater than one Plaque-forming Unit per four grams of total solids (dry weight basis), the sewage sludge is Class A with respect to enteric viruses when the density of enteric viruses in the sewage sludge after pathogen treatment is less than one Plaque-forming Unit per four grams of total solids (dry weight basis) and when the values or ranges of values for the operating parameters for the pathogen treatment process that produces the sewage sludge that meets the enteric virus density requirement are documented.
(D) After the enteric virus reduction in paragraph (a)(5)(ii)(C) of this section is demonstrated for the pathogen treatment process, the sewage sludge continues to be Class A with respect to enteric viruses when the values for the pathogen treatment process operating parameters are consistent with the values or ranges of values documented in paragraph (a)(5)(ii)(C) of this section.
(iii)(A) The sewage sludge shall be analyzed prior to pathogen treatment to determine whether the sewage sludge contains viable helminth ova.
(B) When the density of viable helminth ova in the sewage sludge prior to pathogen treatment is less than one per four grams of total solids (dry weight basis), the sewage sludge is Class A with respect to viable helminth ova until the next monitoring episode for the sewage sludge.
(C) When the density of viable helminth ova in the sewage sludge prior to pathogen treatment is equal to or greater than one per four grams of total solids (dry weight basis), the sewage sludge is Class A with respect to viable helminth ova when the density of viable helminth ova in the sewage sludge after pathogen treatment is less than one per four grams of total solids (dry weight basis) and when the values or ranges of values for the operating parameters for the pathogen treatment process that produces the sewage sludge that meets the viable helminth ova density requirement are documented.
(D) After the viable helminth ova reduction in paragraph (a)(5)(iii)(C) of this section is demonstrated for the pathogen treatment process, the sewage sludge continues to be Class A with respect to viable helminth ova when the values for the pathogen treatment process operating parameters are consistent with the values or ranges of values documented in paragraph (a)(5)(iii)(C) of this section.
(6) Class A—Alternative 4. (i) Either the density of fecal coliform in the sewage sludge shall be less than 1000 Most Probable Number per gram of total solids (dry weight basis), or the density of Salmonella sp. bacteria in the sewage sludge shall be less than three Most Probable Number per four grams of total solids (dry weight basis) at the time the sewage sludge is used or disposed; at the time the sewage sludge is prepared for sale or give away in a bag or other container for application to the land; or at the time the sewage sludge or material derived from sewage sludge is prepared to meet the requirements in §503.10 (b), (c), (e), or (f).
(ii) The density of enteric viruses in the sewage sludge shall be less than one Plaque-forming Unit per four grams of total solids (dry weight basis) at the time the sewage sludge is used or disposed; at the time the sewage sludge is prepared for sale or give away in a bag or other container for application to the land; or at the time the sewage sludge or material derived from sewage sludge is prepared to meet the requirements in §503.10 (b), (c), (e), or (f), unless otherwise specified by the permitting authority.
(iii) The density of viable helminth ova in the sewage sludge shall be less than one per four grams of total solids (dry weight basis) at the time the sewage sludge is used or disposed; at the time the sewage sludge is prepared for sale or give away in a bag or other container for application to the land; or at the time the sewage sludge or material derived from sewage sludge is prepared to meet the requirements in §503.10 (b), (c), (e), or (f), unless otherwise specified by the permitting authority.
(7) Class A—Alternative 5. (i) Either the density of fecal coliform in the sewage sludge shall be less than 1000 Most Probable Number per gram of total solids (dry weight basis), or the density of Salmonella, sp. bacteria in the sewage sludge shall be less than three Most Probable Number per four grams of total solids (dry weight basis) at the time the sewage sludge is used or disposed; at the time the sewage sludge is prepared for sale or given away in a bag or other container for application to the land; or at the time the sewage sludge or material derived from sewage sludge is prepared to meet the requirements in §503.10(b), (c), (e), or (f).
(ii) Sewage sludge that is used or disposed shall be treated in one of the Processes to Further Reduce Pathogens described in appendix B of this part.
(8) Class A—Alternative 6. (i) Either the density of fecal coliform in the sewage sludge shall be less than 1000 Most Probable Number per gram of total solids (dry weight basis), or the density of Salmonella, sp. bacteria in the sewage sludge shall be less than three Most Probable Number per four grams of total solids (dry weight basis) at the time the sewage sludge is used or disposed; at the time the sewage sludge is prepared for sale or given away in a bag or other container for application to the land; or at the time the sewage sludge or material derived from sewage sludge is prepared to meet the requirements in §503.10(b), (c), (e), or (f).
(ii) Sewage sludge that is used or disposed shall be treated in a process that is equivalent to a Process to Further Reduce Pathogens, as determined by the permitting authority.
(b) Sewage sludge—Class B. (1)(i) The requirements in either §503.32(b)(2), (b)(3), or (b)(4) shall be met for a sewage sludge to be classified Class B with respect to pathogens.
(ii) The site restrictions in §503.32(b)(5) shall be met when sewage sludge that meets the Class B pathogen requirements in §503.32(b)(2), (b)(3), or (b)(4) is applied to the land.
(2) Class B—Alternative 1. (i) Seven representative samples of the sewage sludge that is used or disposed shall be collected.
(ii) The geometric mean of the density of fecal coliform in the samples collected in paragraph (b)(2)(i) of this section shall be less than either 2,000,000 Most Probable Number per gram of total solids (dry weight basis) or 2,000,000 Colony Forming Units per gram of total solids (dry weight basis).
(3) Class B—Alternative 2. Sewage sludge that is used or disposed shall be treated in one of the Processes to Significantly Reduce Pathogens described in appendix B of this part.
(4) Class B—Alternative 3. Sewage sludge that is used or disposed shall be treated in a process that is equivalent to a Process to Significantly Reduce Pathogens, as determined by the permitting authority.
(5) Site restrictions. (i) Food crops with harvested parts that touch the sewage sludge/soil mixture and are totally above the land surface shall not be harvested for 14 months after application of sewage sludge.
(ii) Food crops with harvested parts below the surface of the land shall not be harvested for 20 months after application of sewage sludge when the sewage sludge remains on the land surface for four months or longer prior to incorporation into the soil.
(iii) Food crops with harvested parts below the surface of the land shall not be harvested for 38 months after application of sewage sludge when the sewage sludge remains on the land surface for less than four months prior to incorporation into the soil.
(iv) Food crops, feed crops, and fiber crops shall not be harvested for 30 days after application of sewage sludge.
(v) Animals shall not be grazed on the land for 30 days after application of sewage sludge.
(vi) Turf grown on land where sewage sludge is applied shall not be harvested forone year after application of the sewage sludge when the harvested turf is placed on either land with a high potential for public exposure or a lawn, unless otherwise specified by the permitting authority. (continued)