Table 2d Harvested rainwater contaminants by type of roof |
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Cadmium |
Copper |
Lead |
Zinc |
Units Given |
Total Coliform |
Total PAH's |
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World Health Organization Guidelines |
3 |
2000 |
10 |
3,000 |
ug/L |
0 |
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US EPA Guideline (Maximum Contamination Level) |
5 |
1,300 |
0 |
5000 |
ug/L |
0 |
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Ref |
Roof Type |
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2 |
Plywood Covered with Roofing Paper & Tar in an industrial area |
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166 |
11 |
877 |
ug/L |
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11 |
2 Tar paper shingled homes w walls painted w lead paint |
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151 |
|
ug/L |
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2 |
Flat Tar Roof Painted with Reflective Fibrous Aluminum in a
industrial area |
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25 |
10 |
297 |
ug/L |
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2 |
Relatively New Anodized Aluminum in an industrial area |
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16 |
15 |
101 |
ug/L |
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3 |
Concrete Tile in an industrial area x8 |
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ND |
~90 |
~1,600 |
ug/L |
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5 |
Tile - Concrete |
0.14 |
11 |
46 |
100 |
mg/m3 |
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3 |
Tile - Concrete - in an urban area x8 |
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ND |
~50 |
~200 |
ug/L |
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7 |
Tile |
2.1 |
1,905 |
172 |
360 |
ug/L |
|
yes |
8 |
Tile |
0.17 |
225 |
16 |
42 |
mg/L |
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6 |
Tile - Interlocking Clay (from Graph) |
0.5 |
|
325 |
3000 |
ug/L |
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6 |
Tile - Flat Clay - (70%) + Zinc Sheets (from Graph) |
1.9 |
|
440 |
3700 |
ug/L |
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5 |
Tile/Paint |
0.4 |
304 |
41 |
49 |
mg/m3 |
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2 |
Galvanized (rusty) metal in an industrial area |
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20 |
302 |
12200 |
ug/L |
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3 |
Galvanized Iron in an industrial area x 8 |
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ND |
~100 |
~3,600 |
ug/L |
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3 |
Galvanized Iron in an urban area x8 |
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ND |
~10 |
~50 |
ug/L |
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6 |
Galvanized Iron in a residential area |
4.3 |
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110 |
7800 |
ug/L |
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12 |
Galvanized metal x2 |
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ug/m2 |
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10.4 |
5 |
Zinc/Galvanized Metal |
1.2 |
20 |
58 |
3,500 |
mg/m3 |
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5 |
Painted/Galvanized Metal |
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1,300 |
mg/m3 |
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2 |
Weathered Metal Roof in an industrial area x2 |
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11 |
10 |
1980 |
ug/L |
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5 |
Other Metal |
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890 |
13 |
1,980 |
mg/m3 |
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1 |
Shingles w/ Gutters in a residential area x18 |
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15 |
21 |
149 |
ug/L |
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9 |
18 homes in Kentucky (Shingle (most), Tin, Slate and Metal) |
0.06 |
21.73 |
2.27 |
0.16 |
ug/L |
66% > 0 |
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12 |
Asphault x2 |
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ug/m2 |
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7.9 |
1 |
Flat Roof in a commercial area x3 |
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9 |
9 |
330 |
ug/L |
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1 |
Flat Roof in an industrial area x3 |
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6 |
8 |
1155 |
ug/L |
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5 |
Gravel |
0.11 |
7 |
2 |
62 |
mg/m3 |
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7 |
Gravel |
0.2 |
140 |
22 |
36 |
ug/L |
|
yes |
5 |
Polyester |
0.24 |
534 |
20 |
79 |
mg/m3 |
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7 |
Polyester |
3.1 |
6,817 |
510 |
2,076 |
ug/L |
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8 |
Polyester |
0.17 |
225 |
16 |
42 |
mg/L |
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6 |
Slate (from Graph) |
0.5 |
|
1410 |
2200 |
ug/L |
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10 |
125 houses in Auckland |
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2 median |
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11 |
7 Asbestos shingled homes w walls painted w lead paint |
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259 |
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ug/L |
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4 |
Stormwater Runoff - given here for comparison only.
THIS IS FOR SURFACE WATER NOT ROOF WATER.
2,300 samples taken by the EPA in the US |
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3 |
140 |
160 |
ug/L |
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References |
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1 |
Bannerman, R. 1994. |
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"Sources of Urban Stormwater Pollutants Defined in Wisconsin." |
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Technical Note #25 from Watershed Protection Techniques.
1(2): 84-85 |
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http://www.stormwatercenter.net/Library/Practice/8.pdf |
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2 |
Good, J.C. 1993. |
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"Roof Runoff As a Diffuse Source of Metals and Aquatic Toxicity
in Stormwater."
- Washington |
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Technical Note #25 from Watershed Protection Techniques. 1(2): 84-85 |
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http://www.stormwatercenter.net/Library/Practice/8.pdf |
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3 |
Thomas, P.R. and G.R. Greene. 1993. |
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"RainWater Quality From Different Roof Catchments."
- Armidale, New South Wales |
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Technical Note #25 from Watershed Protection Techniques. 1(2): 84-85 |
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http://www.stormwatercenter.net/Library/Practice/8.pdf |
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4 |
U.S. EPA. 1983. |
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Results of the Nationwide Urban Runoff Program. |
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Technical Note #25 from Watershed Protection Techniques. 1(2): 84-85 |
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http://www.stormwatercenter.net/Library/Practice/8.pdf |
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5 |
Jennifer Gadd and Paul Kennedy |
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MEDIAN DATA FROM SEVERAL SOURCES -New Zeland |
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2nd South Pacific Stormwater Conference, 2001 |
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http://www.kma.co.nz/downloads/PDFs/Publications/House
%20Roof%
20Runoff%20-%20Gadd,%20Kennedy.pdf |
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6 |
Gromaire-Mertz, Garnaud, Gonzalez, Chebbo (1999) |
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Characterisation of urban runoff pollution in Paris France |
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http://www.enpc.fr/cereve/HomePages/mcm/articles/runoff.pdf |
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7 |
Boller(1997) |
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A first flush analysis (probably Germany). |
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2000 Conference on Stormwater and Urban Water Systems Modeling
(Feb 24-25, Toronto, Ontario). |
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http://rpitt.eng.ua.edu/Publications/StormwaterTreatability/
pollution%20
prevention%20and%20stormwater.pdf |
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8 |
Mottier and Boller (1996) Working in Zurich. |
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Taken from the 2000 Conference on Stormwater and Urban Water
Systems Modeling (Feb 24-25, Toronto, Ontario). |
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http://rpitt.eng.ua.edu/Publications/StormwaterTreatability/
pollution%20
prevention%20and%20stormwater.pdf |
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9 |
Younos et al,. (1998) |
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Virginia Water Resources Research Center |
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http://www.vwrrc.vt.edu/pdf/sp3-1998.pdf |
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10 |
Simmons et al., 2001 |
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Taken from Jennifer Gadd and Paul Kennedy - House Roof Runoff:
Is it as clean as we think? |
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http://www.kma.co.nz/downloads/PDFs/Publications/House%20
Roof%20Runoff%20-%20Gadd,%20Kennedy.pdf |
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11 |
Dr. Laura J. Steinberg and Ridgely P. Myers |
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Quantifying Urban Non-point Sources of Lead for use in TMDL
Computations - New Orleans |
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http://www.lwrri.lsu.edu/downloads/steinberg_finalFY01.pdf |
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12 |
P.C. Van Metre, B.J. Mahler |
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The contribution of particles washed from rooftops to contaminant loading to urban streams, Austin, Texas |
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http://tx.usgs.gov/coring/pubs/rooftops%20Chemosphere.pdf |
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