|
Table 1: Waste in Place in 1990
Table 2:
Waste in Place 1996
Population
Source: Census Bureau : Intercensal Estimates of the Resident Population
Pounds per Year per Person
Pounds of Waste
Source: Population x Pounds per Year per Person
Percentage of Waste in Large MSW & Percentage of Waste in Small MSW
Total
The sum of the waste in place from the last 30 years.
Table 3 Alternative Waste in Place Estimate
|
Name |
Town |
Operation Period |
Mass (tons) |
|
Allen Harbor Landfill |
North Kingstown |
1946-1972 |
129067.4088 |
|
American Disposal (Vinagro) Landfill |
Johnston |
1970s-1987 |
No Data |
|
Arkwright Inc. Dumpsite |
Coventry |
?-1970s |
No Data |
|
Barrington Landfill No.1 |
Barrington |
1962-1967 |
No Data |
|
Barrington Landfill No.2 |
Barrington |
1967-1971 |
No Data |
|
Barrington Landfill No.3 |
Barrington |
1971-1977 |
67760.38962 |
|
Barrington Landfill No.4 |
Barrington |
1977-1981 |
No Data |
|
Beaver River Dump |
Richmond |
1960s-1977 |
70992.3456 |
|
Brickyard Pond Disposal Area |
Barrington |
1930-1950 |
No Data |
|
Bristol Landfill |
Bristol |
1963- present |
No Data |
|
Burrillville Landfill No.1 |
Burrillville |
1966-1976 |
25815.3984 |
|
Burrillville Landfill No.2 |
Burrillville |
1976-1991 |
428120 |
|
Camp Avenue Disposal Area |
North Kingstown |
1949-1953 |
No Data |
|
Cece-Macera Landfill |
Johnston |
?-1977 |
No Data |
|
Central Falls Dumpsite |
Lincoln |
1940-1950 |
No Data |
|
Charlestown Landfill |
Charlestown |
1980- present |
165132 |
|
Coddington Cove Rubble Fill |
Newport |
unknown |
No Data |
|
Cole Schoolhouse Road Dump |
Warren |
1964-1969 |
No Data |
|
Cook's Landfill |
East Providence |
?-1961 |
No Data |
|
Coventry Municipal Landfill |
Coventry |
1954-1975 |
No Data |
|
Cranston Sanitary(Capuano) Landfill |
Cranston |
1943-1985 |
3872022.264 |
|
Cumberland Municipal Landfill |
Cumberland |
1954-1983 |
No Data |
|
Dupraw Dump |
Lincoln |
1948-1975 |
968077.44 |
|
East Greenwich Landfill |
East Greenwich |
1927-1980 |
No Data |
|
Eastern Area Landfill (fomer US Naval Auxillary Landing Field) |
Charlestown |
|
No Data |
|
Elm Tree Dump |
Lincoln |
1968-1973 |
No Data |
|
Exeter Landfill No. 1 |
Exeter |
1959-1971 |
No Data |
|
Exeter Landfill No. 2 |
Exeter |
1974-1983 |
No Data |
|
Exeter Town Dump |
Exeter |
1940s-1950s |
No Data |
|
Factory Mutual |
Glocester |
1968-1985 |
No Data |
|
Field's Point City Dump |
Providence |
1950-1975 |
No Data |
|
Firestone Former Landfill |
Tiverton |
1954-1961 |
No Data |
|
Forbes Street Landfill |
East Providence |
1969-1979 |
1264860.606 |
|
Foster Landfill |
Foster |
1969-1978 |
774404.4528 |
|
Glocester Landfill |
Glocester |
1964-1979 |
522723.0056 |
|
Glocester-Smithfield Regional Landfill |
Glocester |
1974-1982 |
664697.1553 |
|
Gould Island Disposal Area |
Middletown |
? - 1970s |
No Data |
|
Greenwood Avenue Disposal |
East Providence |
unknown |
No Data |
|
Harrison Avenue Dump |
Newport |
1940- ? |
No Data |
|
Hi-Lo Cipriano |
Johnston |
|
No Data |
|
Hometown Properties Landfill |
North Kingstown |
1980- present |
No Data |
|
Hope Town Dump |
Scituate |
1948-1972 |
No Data |
|
Hopkinton Landfill (Phase I) |
Hopkinton |
1965-1991 & 1993-1994 |
183480 |
|
Hopkinton Landfill (Phase II) |
Hopkinton |
1965-1991 & 1993-1994 |
No Data |
|
Jamestown Landfill |
Jamestown |
1954-1984 |
No Data |
|
Kent Heights Landfill |
East Providence |
1961-1969 |
155860.4678 |
|
Kenyon Piece Landfill |
Charlestown |
1968-1979 |
No Data |
|
Landfill and Resource Recovery |
North Smithfield |
1927-1985 |
No Data |
|
Little Compton Town Dump |
Little Compton |
1950-1972? |
No Data |
|
Lonsdale Narrows |
Lincoln |
1898-1980 |
No Data |
|
Macera (Anthony) Disposal |
Johnston |
1965-1976? |
335575.2629 |
|
Macera (Steve) Landfill |
East Greenwich |
1950-1976 |
111120 |
|
Manton Avenue Landfill |
Providence |
|
No Data |
|
McAllister Point Landfill |
Middletown |
1955-1975 |
No Data |
|
Melville North Landfill |
Portsmouth |
1939-1981 |
No Data |
|
Narrow Lane (Charlestown) Landfill |
Charlestown |
1950-1980 |
267189.3734 |
|
New Shoreham Landfill |
New Shoreham |
1900-1990 |
183480 |
|
Newport City Dump |
Newport |
?? - 1974 |
No Data |
|
Ninigret National Wildlife Refuge Landfill |
Charlestown |
1940-1972 |
No Data |
|
North Kingstown Landfill No.1 |
North Kingstown |
1970-1983 |
6130701.918 |
|
North Kingstown Landfill No.2 |
North Kingstown |
1940-1970 |
No Data |
|
North Providence Landfill (New) |
North Providence |
? - 1993 |
733920 |
|
North Providence Landfill (Old) |
North Providence |
|
No Data |
|
North Scituate Town Dump |
Scituate |
1950-1971 |
61956.95616 |
|
NUWC (formerly NUSC) Disposal Area |
Middletown |
Unknown |
No Data |
|
Old Jenkes Hill Road Disposal Area |
Smithfield |
unknown |
No Data |
|
old quary dispsal area |
North Kingstown |
50's to 1972 |
No Data |
|
Patriarca Property |
Smithfield |
1959-1975 |
No Data |
|
Pawtucket Incinerator Landfill |
Pawtucket |
1965-1983 |
174241.0019 |
|
Perry/Wood Street Dump |
Bristol |
unknown |
No Data |
|
Pine Hill Road Dump |
Richmond |
1940s-1950s |
No Data |
|
Portsmouth Melville Dump |
Portsmouth |
1940-1978 |
No Data |
|
Portsmouth Town Dump |
Portsmouth |
1954-1974 |
No Data |
|
Providence City Dump |
Providence |
? - 1970s |
No Data |
|
Prudence Island Landfil (Disposal Area) |
Portsmouth |
1942-1953 |
No Data |
|
RI Resource Recovery Corporation Central Landfill, Phase I |
Johnston |
1962-present |
No Data |
|
RI Resource Recovery Corporation Central Landfill, Phase II and Phase
III |
Johnston |
1962-present |
No Data |
|
RI Resource Recovery Corporation Central Landfill, Phase IV, Southwest
Area |
Johnston |
1962-present |
No Data |
|
Richmond Landfill |
Richmond |
1961-1988 |
305800 |
|
Rose Hill Regional Landfill |
South Kingstown |
1967-1983 |
1040360.556 |
|
Sachuest Point Dump |
Middletown |
58-75 |
929285.3434 |
|
Scituate Town Landfill |
Scituate |
1955-1977 |
No Data |
|
Sherwood Avenue Dump |
Providence |
unknown |
No Data |
|
Smithfield Municipal Landfill |
Smithfield |
1956-1974 |
No Data |
|
Tiverton Landfill |
Tiverton |
1952-present |
733920 |
|
Tiverton Town Dump |
Tiverton |
1946-1969 |
No Data |
|
Truk-Away Landfill |
Warwick |
1970-1977 |
No Data |
|
Tuckers Industrial Disposal |
Johnston |
1950s-1960s |
No Data |
|
Warren Town Landfill |
Warren |
1968-1978 |
516269.6352 |
|
Warwick City Dump |
Warwick |
|
No Data |
|
Webster Street Disposal Area |
Pawtucket |
1983-1988 |
No Data |
|
West Greenwich Landfill |
West Greenwich |
1967-1979 |
No Data |
|
West Kingstown Town Dump/URI Disposal Area |
South Kingstown |
1941-1987 |
No Data |
|
West Warwick Town Landfill |
West Warwick |
1930-1973 |
No Data |
|
Westerly Landfill |
Westerly |
1935-1992 |
917400 |
|
Woonsocket City Dump |
Woonsocket |
1900-1975 |
87126.9696 |
Source: Rhode Island Department of Environmental Management
Table 4- Methane Emissions from Landfills (Population Method)
|
Methane Emissions from Landfills Using the Population Method |
|
|
|
|
|
|
|
Year |
Waste in Place Large Landfills |
Waste in Place Small Landfills |
Methane in ft/day Large Landfills |
Methane in ft/day Small Landfills |
Total Methane Produced |
Total Methane Flared |
Adjustment for Flaring |
Adjustment for Oxidation |
MTCE |
|
1990 |
12,098,598 |
1,495,332 |
3,145,635 |
523,366 |
30,229 |
7,087 |
23,142 |
20,828 |
108,191 |
|
1996 |
13,037,171 |
1,611,336 |
3,389,664 |
563,968 |
32,574 |
7,666 |
24,908 |
22,417 |
106,485 |
Waste in Place
Units: Tons
Source: Table 1 and Table 2
Methane from Large Landfills
Units: ft/day
Source: 0.26 (ft/day/ton) x Waste in Place Large Landfills
* 0.26 come from Workbook
Methane from Small Landfills
Units: ft/day
Source: 0.35 (ft/day/ton) x Waste in Place Large Landfills
* 0.35 comes from Workbook
Total Methane Produced
Unit: Tons/ Year
Source:((Methane from Small Landfills x 0.0077)+(Methane from Large
Landfills x 0.0077)) x (1.07)
The Workbook estimates that the total emissions from
industrial waste is 7% of the municipal waste. This is added on by
multiplying by 1.07.
Total Methane Flared
Unit: Tons of Methane per Year
Source: The data for methane flaring came from Table 5, and the RIDEM.
There is not complete data of the flaring that is done each year by
landfills other than Central in Rhode Island. The total for all other
landfills was estimated to be 919 tons/year. This value is an estimate
provided by RIDEM. The data that was provided was in SCFM of landfill
gas generated, it was assumed that they captured 85% of this gas.
The values where converted from SCFM of landfill gas, to Tons of
Methane per Year.
This was done by multiplying the Landfill Gas in SCFM by 53% to get
the amount of methane in the gas. Then by 0.04243 to convert it from
cubic feet per minute to pounds per minute. This was then converted to
tons per year to give the value used in the table.
Adjustment for Flaring
Unit: Tons of Methane
Source: Total Methane Produced - Total Methane Flared
Adjustment for Oxidation
Unit: Tons of Methane
Source: Adjustment for Flaring x 0.90
The value 0.90 is the percentage of methane which is not oxidized in
the soil, this value comes from the Workbook
Total Emissions
Unit: MTCE
Source: Adjustment for Oxidation x 21 x 0.907 x 12/44
The values for the conversion came from the Workbook
Table 5- Methane Emissions from Solid Waste
|
|
Landfill Gas From Central SCFM |
Methane in Pounds/Minute |
Methane in Pounds/ Year |
Methane in Tons/ Year |
Amount Captured |
Adjusted for Capture |
Oxidation Correction |
MTCE (Central) |
Methane in T/Y - other landfills |
Oxidation Correction (other) |
MTCE (Other) |
MCTE total |
|
1990 |
6958 |
156 |
82241057 |
41121 |
32896 |
8224 |
7402 |
38449 |
1713 |
1542 |
8010 |
46,459 |
|
1996 |
7611 |
171 |
89959282 |
44980 |
38233 |
6747 |
6072 |
31543 |
1874 |
1687 |
8762 |
40,305 |
Methane From Central- Total Methane Generated at Central
Unit: SCFM
Source: See Table 6
Methane in Pounds Per Minute
Unit: Pounds of Methane per Minute
Source: Methane From Central x 0.53 x 0.04243
Methane in Pounds Per Year
Unit: Pounds per Year
Source: Methane in Pounds per Minute x 525600 minutes/ year
Methane in Tons per Year
Unit: Tons per year
Source: Methane in pounds per year x 2000
Methane Flared
See Table 4
Adjustment for Flaring
Unit: Tons of Methane
Source: Total Methane Produced - Total Methane Flared
Oxidation Correction
Unit: Tons of Methane
Source: Adjustment for Flaring x 0.90
The value 0.90 is the percentage of methane which is not oxidized in
the soil, this value comes from the Workbook
MTCE (Central)
Unit: MTCE
Source: Oxidation Correction x 21 x 0.907 x 12/44
The values for the conversion came from the Workbook
Methane in T/Y- other landfills
Unit: Tons per year
Source: MTCE * 0.04
Oxidation Correction (Other Landfills)
Unit: Tons per year
Source: Methane in T/Y- other landfills * 0.9
MTCE other
Unit: MTCE
Source: Oxidation Correction (Other Landfills) x 21 x 0.907 x 12/44
The values for the conversion came from the Workbook
MTCE Total
Source: MTCE other + MTCE (Central)
|
Table 6 LANDFILL GAS GENERATION MODELING |
|
|
CENTRAL LANDFILL - JOHNSTON, RI |
|
|
PHASES 1 - 5 |
|
|
|
|
|
|
|
|
|
LFG GENERATION |
RECOVERY |
LFG RECOVERABLE |
|
YEAR |
(SCFM) |
FACTOR |
(SCFM) |
|
1980 |
1854 |
80% |
1483 |
|
1981 |
2139 |
80% |
1711 |
|
1982 |
2403 |
80% |
1922 |
|
1983 |
2653 |
80% |
2122 |
|
1984 |
3000 |
80% |
2400 |
|
1985 |
3403 |
80% |
2722 |
|
1986 |
3924 |
80% |
3139 |
|
1987 |
4604 |
80% |
3683 |
|
1988 |
5514 |
80% |
4411 |
|
1989 |
6313 |
80% |
5050 |
|
1990 |
6958 |
80% |
5567 |
|
1991 |
7257 |
80% |
5806 |
|
1992 |
7326 |
80% |
5861 |
|
1993 |
7375 |
83% |
6121 |
|
1994 |
7458 |
83% |
6190 |
|
1995 |
7472 |
85% |
6351 |
|
1996 |
7611 |
85% |
6469 |
|
1997 |
7847 |
85% |
6670 |
|
1998 |
8069 |
85% |
6859 |
|
1999 |
8465 |
88% |
7449 |
|
2000 |
9014 |
90% |
8113 |
|
2001 |
9250 |
88% |
8140 |
|
2002 |
9389 |
87% |
8168 |
|
2003 |
9528 |
85% |
8099 |
|
2004 |
9653 |
85% |
8205 |
|
2005 |
9764 |
85% |
8299 |
|
2006 |
9868 |
85% |
8388 |
|
2007 |
9965 |
85% |
8470 |
|
2008 |
10056 |
85% |
8547 |
|
2009 |
10139 |
86% |
8719 |
|
2010 |
10208 |
86% |
8779 |
|
2011 |
10278 |
88% |
9044 |
|
2012 |
10188 |
90% |
9169 |
|
2013 |
9215 |
90% |
8294 |
|
2014 |
8368 |
90% |
7531 |
|
2015 |
7618 |
90% |
6856 |
|
2016 |
6944 |
90% |
6250 |
|
2017 |
6326 |
90% |
5694 |
|
2018 |
5771 |
90% |
5194 |
|
2019 |
5264 |
90% |
4738 |
|
2020 |
4806 |
90% |
4325 |
|
2021 |
4389 |
90% |
3950 |
|
2022 |
4000 |
90% |
3600 |
|
2023 |
3653 |
90% |
3288 |
|
2024 |
3333 |
90% |
3000 |
|
2025 |
3049 |
90% |
2744 |
|
2026 |
2778 |
90% |
2500 |
Table 6- Landfill Gas Generation Modeling Central Landfill-Johnston RI Phases
1-5
Source: John Murphy, Dufresne Henry Consulting Engineers
Figure 1- Landfill Gas Generation Modeling Central Landfill-Johnston RI
Phases 1-5
Source: The Data Comes from Table 5
|
Table 7- Carbon Sequestration from Landfills (Population Method) |
|
|
|
|
|
|
|
Year |
MSW Landfilled |
Sequestration Factor |
Total Carbon Sequestered (MTCE) |
|
1990 |
529,327 |
0.18 |
86,418 |
|
1996 |
430,825 |
0.18 |
70,336 |
Municipal Solid Waste
Unit: Tons
Source: Table 1 and Table 2
Sequestration Factor
Unit: Tons C/Ton of Solid Waste
Source: Workbook
Total Carbon Sequestered
Unit: MTCE
Source: Municipal Solid Waste x Sequestration Factor x 0.907
Table 8 Estimated Carbon Sequestered
from MSW at Central Landfill
|
Year |
Municipal Waste - Central Landfill |
Municipal Waste - other landfills |
Commercial & Sludge - Central Landfill |
Total Waste Landfilled |
Carbon Sequestered (tons) |
Carbon Sequestered (metric tons) |
|
1990 |
424,444 |
16978 |
234,881 |
676303 |
121734 |
110,438 |
|
1996 |
412,782 |
16511 |
348,677 |
777970 |
140035 |
127,039 |
Municipal Solid Waste Central Landfill
Source: RIRRC: Fax received 02-09-00
Municipal Solid Waste (other landfills)
Unit: Tons
Source: Municipal Waste- Central Landfill x 0.4
Commercial & Sludge – Central Landfill
Unit: Tons
Source: RIRRC
Total Carbon Sequestered
Unit: Tons
Source: (Municipal Solid Waste Central Landfill + Municipal
Solid Waste (other landfills) + Commercial & Sludge – Central Landfill
)*Sequestration Factor (see table 7)
Carbon Sequestered (MTCE)
Source: Total Carbon Sequestered * 0.907
Table 9 Net Sequestration from Solid Waste Management
|
Year |
MTCE emissions |
MTCE Sequestration |
Net Sequestration, MTCE |
|
1990 |
46,459 |
110,438 |
63,979 |
|
1996 |
40,305 |
127,039 |
86,734 |
Source: Methane Emissions (MTCE)- Sequestration (MTCE)
Table 10- Waste Landfilled at Central
|
Year |
Municipal Waste Disposed of at Central |
TOTAL at Central (including Industrial, Sludge, and Liquid |
|
1982 |
280613 |
523575 |
|
1983 |
324281 |
583821 |
|
1984 |
354143 |
722092 |
|
1985 |
375893 |
882477 |
|
1986 |
404829 |
1123010 |
|
1987 |
412018 |
1115685 |
|
1988 |
465726 |
1093907 |
|
1989 |
460517 |
850712 |
|
1990 |
424444 |
659324 |
|
1991 |
406436 |
601741 |
|
1992 |
398324 |
647825 |
|
1993 |
383858 |
566619 |
|
1994 |
391608 |
660509 |
|
1995 |
390977 |
774568 |
|
1996 |
412782 |
761459 |
Source: RIRRC
|
