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Note: EPA no longer updates this information, but it may be useful as a reference or resource.


Sampling of Residual Sediment in Flood Impacted Areas

Test Results

All sampling listed on this page occurred in 2006.

Orleans Parish

St. Bernard Parish

Assumption Parish


Orleans Parish (Zip Code 70117- Total Samples in May = 26)

Chemical Group

Chemical

Number of samples above RECAP

Low

High

LDEQ RECAP

Polycyclic Aromatic Hydrocarbon (PAH)

Levels of PAHs in the 26 samples collected in this zip code were all below LDEQ RECAP values.

Pesticides

Levels of Pesticides in the 26 samples collected in this zip code were all below LDEQ RECAP values. 

Diesel and Oil Range Organics

Oil range organics

1

 

2200 mg/kg
(2,200,000 ug/kg)

1800 mg/kg
(1,800,000 ug/kg)

Diesel range organics

2

703 mg/kg
(703,000 ug/kg)

896 mg/kg
(896,000 ug/kg)

650 mg/kg
(650,000 ug/kg)

See Enviromapper sample station 23175. USEPA and LDEQ will work together to determine next steps at this location.

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Orleans Parish (Zip Code 70117- Total Samples in April = 139)

Chemical Group Chemical Number of samples above RECAP Low High LDEQ RECAP
Polycyclic Aromatic Hydrocarbon (PAH) Benzo(a)pyrene 3 357 ug/kg 3350 ug/kg 330 ug/kg
Dibenz(a,h)anthracene 7 342 ug/kg 646 ug/kg. 330 ug/kg
See Enviromapper sample stations 22411, 22412, 22422, 22441, 22445, 22483.
Benzo(a)anthracene 2 1410 ug/kg 3050 ug/kg 620 ug/kg
Benzo(b)fluoranthene 2 1630 ug/kg 3990 ug/kg 620 ug/kg
Indeno(1,2,3-cd)pyrene 7 679 ug/kg 1710 ug/kg 620 ug/kg
See Enviromapper sample stations 22411, 22412, 22422, 22692, 22697.
Although the levels of these PAHs exceed their respective RECAP values, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.
Diesel and Oil Range Organics Levels of diesel and oil range organics in the 139 samples collected in this zip code were all below LDEQ RECAP values.
Pesticides Dieldrin 2 38.8 ug/kg 146 ug/kg 30 ug/kg
See Enviromapper sample stations 22438, 22449.
Although the levels of Dieldrin exceed the RECAP value, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.
Metals Arsenic 2 12.5 mg/kg
(12500 ug/kg)
17.7 mg/kg
(17700 ug/kg)
12 mg/kg
(12000 ug/kg)
See Enviromapper sample stations 22541, 22566.

Although the levels of Arsenic exceed the RECAP value, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts. USEPA and LDEQ will work together to determine next steps at this location.

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Orleans Parish (Zip Code 70117- Total Samples in March = 19)

Chemical concentrations detected in the 19 samples collected in this zip code were all below LDEQ RECAP values.

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Orleans Parish (Zip Code 70117- Total Samples in February = 64)

Chemical Group Chemical Number of samples above RECAP Low High LDEQ RECAP
Polycyclic Aromatic Hydrocarbon (PAH) Benzo(a)pyrene 10 427 ug/kg 7510 ug/kg 330 ug/kg
Dibenz(a,h)anthracene 5 333 ug/kg 1680 ug/kg. 330 ug/kg
See Enviromapper sample stations 19291, 19295, 19312, 19320, 19322, 19324, 19347, 19353, 19377, 19403, 19412.
Benzo(a)anthracene 6 771 ug/kg 8700 ug/kg 620 ug/kg
Benzo(b)fluoranthene 26 629 ug/kg 15100 ug/kg 620 ug/kg
Indeno(1,2,3-cd)pyrene 15 632 ug/kg 4570 ug/kg 620 ug/kg
See Enviromapper sample stations 19291, 19295, 19312, 19320, 19322, 19324, 19326, 19347, 19349, 19353, 19355, 19371,19377, 19381, 19403, 19408, 19412, 19414, 19423, 19434, 19468, 19472, 19474,19476, 19480, 19488, 19490, 19492, 19506, 19509, 19510.
Although the levels of these PAHs exceed their respective RECAP values, the levels in all but one sample fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts. Benzo(a)pyrene was detected in one sample at 7510 ug/kg. See Enviromapper sample station 19320. Assuming long-term exposures to children and adults in a residential setting, this concentration exceeds EPA’s excess lifetime cancer risk range. USEPA and LDEQ will work together to determine next steps at this location.
Pesticides Beta-BHC 1
330 ug/kg
290 ug/kg
Dieldrin 6 42.9 ug/kg 94.3 ug/kg 30 ug/kg
See Enviromapper sample stations 19285, 19310, 19353, 19377, 19414, 19429.
Although the levels of these pesticides exceed their respective RECAP values, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.
PCBs Arochlor-1016 1
20100 ug/kg
210 ug/kg
See Enviromapper sample station 19381.
Although the levels of these pesticides exceed their respective RECAP values, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.
Diesel and Oil Range Organics Oil range organics 6 1920 mg/kg
(1,920,000 ug/kg)
3550 mg/kg
(3,550,000 ug/kg)
1800 mg/kg
(1,800,000 ug/kg)
Diesel range organics 5 973 mg/kg
(973,000 ug/kg)
1810 mg/kg
(1,810,000 ug/kg)
650 mg/kg
(650,000 ug/kg)
See Enviromapper sample stations 19295, 19324, 19355, 19408, 19414, 19434. USEPA and LDEQ will work together to determine next steps at this location.
Metals Arsenic 3 12.6 mg/kg
(12600 ug/kg)
22.3 mg/kg
(22300 ug/kg)
12 mg/kg
(12000 ug/kg)
See Enviromapper sample stations 19295, 19322, 19324.
Although the levels of Arsenic exceed the RECAP value, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.
Lead 1
657 mg/kg
400 mg/kg
(400,000 ug/kg)
See Enviromapper sample station 19414. USEPA and LDEQ will work together to determine next steps at this location.

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Orleans Parish (Zip Code 70122 – Total Samples in February = 15)

Chemical Group Chemical Number of samples above RECAP Low High LDEQ RECAP
Polycyclic Aromatic Hydrocarbon (PAH) Benzo(a)pyrene 3 338 ug/kg 409 ug/kg 330 ug/kg
Dibenz(a,h)anthracene 4 393 ug/kg 820 ug/kg 330 ug/kg
See Enviromapper sample stations 20874, 20876, 20880, 20884, 21100.
Benzo(b)fluoranthene 3 631 ug/kg 951 ug/kg 620 ug/kg
See Enviromapper sample stations 20880, 21100, 21112.

Although the levels of these PAHs exceed their respective RECAP values, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.

Diesel and Oil Range Organics Oil range organics 1 18500 mg/kg
(18,500,000 ug/kg)
1800 mg/kg
(1,800,000 ug/kg)
Diesel range organics 1 8620 mg/kg
(8,620,000 ug/kg)
650 mg/kg
(650,000 ug/kg)

See Enviromapper sample station 21108. USEPA and LDEQ will work together to determine next steps at this location.

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Orleans Parish (Zip Code 70126 – Total Samples in March = 155)

Chemical Group Chemical Number of samples above RECAP Low High LDEQ RECAP
Polycyclic Aromatic Hydrocarbon (PAH) Benzo(a)pyrene 8 332 ug/kg 1440 ug/kg 330 ug/kg
Dibenz(a,h)anthracene 13 343 ug/kg 770 ug/kg. 330 ug/kg
See Enviromapper sample stations 21552, 21854, 21881, 21883, 21891, 21907, 21915, 21929, 21966, 21968, 22038, 22106, 22107.
Benzo(a)anthracene 8 681 ug/kg 1590 ug/kg 620 ug/kg
Benzo(b)fluoranthene 10 630 ug/kg 2620 ug/kg 620 ug/kg
Indeno(1,2,3-cd)pyrene 7 671 ug/kg 2310 ug/kg 620 ug/kg
See Enviromapper sample stations 21530, 21552, 21824, 21825, 21854, 21883, 21907, 21929, 21966, 22106, 22107, 22259, 22269.

Although the levels of these PAHs exceed their respective RECAP values, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.

Pesticides Dieldrin 10 31.2 ug/kg 442 ug/kg 30 ug/kg
Aldrin 1 297 ug/kg 28 ug/kg
4,4-DDD 1 2900 ug/kg 2400 ug/kg
4,4-DDT 1 26,800 ug/kg 1700 ug/kg
See Enviromapper sample stations 21702, 21726, 21804, 21824, 21850, 21901, 22088, 22158.

Although the levels of these pesticides exceed their respective RECAP values, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.

Diesel and Oil Range Organics Oil range organics 5 2470 mg/kg
(2,470,000 ug/kg)
15,600 mg/kg
(15,600,000 ug/kg)
1800 mg/kg
(1,800,000 ug/kg)
Diesel range organics 6 708 mg/kg
(708,000 ug/kg)
10,400 mg/kg
(10,400,000 ug/kg)
650 mg/kg
(650,000 ug/kg)
See Enviromapper sample stations 21689, 21824, 21825, 21929, 22038, 22088. USEPA and LDEQ will work together to determine next steps at this location.

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Orleans Parish (Zip Code 70126 – Total Samples in February = 85)

Chemical Group Chemical Number of samples above RECAP Low High LDEQ RECAP
Polycyclic Aromatic Hydrocarbon (PAH) Benzo(a)pyrene 1 355 ug/kg 330 ug/kg
Dibenz(a,h)anthracene 1 359 ug/kg 330 ug/kg
See Enviromapper sample station 21399.
Benzo(b)fluoranthene 2 837 ug/kg 844 ug/kg 620 ug/kg
See Enviromapper sample stations 20109, 21399.

Although the levels of these PAHs exceed their respective RECAP values, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.

Diesel and Oil Range Organics Oil range organics 4 2500 mg/kg
(2,500,000 ug/kg)
5080 mg/kg
(5,080,000 ug/kg)
1800 mg/kg
(1,800,000 ug/kg)
Diesel range organics 7 656 mg/kg
(656,000 ug/kg)
3710 mg/kg
(3,710,000 ug/kg)
650 mg/kg
(650,000 ug/kg)
See Enviromapper sample stations 19559, 19566, 21399, 21405, 21411, 21415, 21440. USEPA and LDEQ will work together to determine next steps at this location.

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Orleans Parish (Zip Code 70127 – Total Samples in March = 14)

Chemical Group Chemical Number of samples above RECAP Low High LDEQ RECAP
Polycyclic Aromatic Hydrocarbon (PAH) Benzo(a)pyrene 1 357 ug/kg 330 ug/kg
Dibenz(a,h)anthracene 4 332 ug/kg 624 ug/kg. 330 ug/kg
See Enviromapper sample stations 22336, 22348, 22352, 22354.
Indeno(1,2,3-cd)pyrene 11 627 ug/kg 1230 ug/kg 620 ug/kg
See Enviromapper sample stations 22266, 22270, 22271, 22331, 22332, 22334, 22336, 22348, 22354.

Although the levels of these PAHs exceed their respective RECAP values, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.

Pesticides Dieldrin 1 32.4 ug/kg 30 ug/kg
See Enviromapper sample station 22270.

Although the level of Dieldrin exceeds its RECAP value, it falls within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to this concentration, which USEPA has found acceptable in other contexts.

Diesel and Oil Range Organics Levels of diesel and oil range organics in the 14 samples collected in this zip code were all below LDEQ RECAP values.

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St. Bernard Parish (zip code 70032 - Total samples in June = 11)

Chemical Group

Chemical

Number of samples above RECAP

Low

High

LDEQ RECAP

Polycyclic Aromatic Hydrocarbon (PAH)

Benzo(a)pyrene

2

1490 ug/kg

1510 ug/kg

330 ug/kg

Dibenz(a,h)anthracene

5

361 ug/kg

767 ug/kg

330 ug/kg

See Enviromapper sample stations 23845, 23852, 23874.

Benzo(a)anthracene

1

 

1520 ug/kg

620 ug/kg

Benzo(b)fluoranthene

4

693 ug/kg

2480 ug/kg

620 ug/kg

Indeno(1,2,3-cd)pyrene

2

1640 ug/kg

1700 ug/kg

620 ug/kg

See Enviromapper sample stations 23845, 23874.

Although the levels of these PAHs exceed their respective RECAP values, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.

Pesticides

Dieldrin

4

36 ug/kg

176 ug/kg

30 ug/kg

See Enviromapper sample stations 23586, 23603, 23624.

Although the levels of Dieldrin exceed the RECAP value, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.

Diesel and Oil Range Organics

Levels of diesel and oil range organics in the 11 samples collected in this zip code were all below LDEQ RECAP values.

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St. Bernard Parish (zip code 70032 - Total samples in May = 13)

Chemical Group

Chemical

Number of samples above RECAP

Low

High

LDEQ RECAP

Polycyclic Aromatic Hydrocarbon (PAH)

Levels of PAHs in the 13 samples collected in this zip code were all below LDEQ RECAP values. 

Pesticides

Dieldrin

4

36 ug/kg

176 ug/kg

30 ug/kg

See Enviromapper sample stations 23586, 23603, 23624

Although the levels of dieldrin exceed the RECAP value, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.

Diesel and Oil Range Organics

Levels of diesel and oil range organics in the 13 samples collected in this zip code were all below LDEQ RECAP values.

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St. Bernard Parish (zip code 70032 - Total samples in April = 1)

Chemical concentrations detected in the sample collected in this zip code were all below LDEQ RECAP values.

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St. Bernard Parish (Zip Code 70043 – Total Samples in June = 74)

Chemical Group

Chemical

Number of samples above RECAP

Low

High

LDEQ RECAP

Polycyclic Aromatic Hydrocarbon (PAH)

Dibenz(a,h)anthracene

4

331 ug/kg

540 ug/kg

330 ug/kg

See Enviromapper sample stations 23710, 23819, 23858, 23926.

Although the levels of this PAH exceeds the RECAP value, the levels falls within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.

Pesticides

Dieldrin

3

36.4 ug/kg

119 ug/kg

30 ug/kg

See Enviromapper sample stations 23893, 23928.

Although the levels of Dieldrin exceed the RECAP value, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.

Diesel and Oil Range Organics

Levels of diesel and oil range organics in the 74 samples collected in this zip code were all below LDEQ RECAP values.

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St. Bernard Parish (Zip Code 70043 – Total Samples in May = 23)

Chemical Group

Chemical

Number of samples above RECAP

Low

High

LDEQ RECAP

Polycyclic Aromatic Hydrocarbon (PAH)

Benzo(a)pyrene

2

456 ug/kg

5520 ug/kg

330 ug/kg

Dibenz(a,h)anthracene

3

331 ug/kg

1670 ug/kg

330 ug/kg

See Enviromapper sample stations 23619, 23819.

Benzo(a)anthracene

1

 

5890 ug/kg

620 ug/kg

Benzo(b)fluoranthene

2

744 ug/kg

8450 ug/kg

620 ug/kg

Indeno(1,2,3-cd)pyrene

2

819 ug/kg

7870 ug/kg

620 ug/kg

See Enviromapper sample station 23619.

Although the levels of these PAHs exceed their respective RECAP values, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.

Pesticides

Levels of pesticides in the 23 samples collected in this zip code were all below LDEQ RECAP values.

Diesel and Oil Range Organics

Levels of diesel and oil range organics in the 23 samples collected in this zip code were all below LDEQ RECAP values.

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St. Bernard Parish (Zip Code 70075 – Total Samples in May = 23)

Chemical Group

Chemical

Number of samples above RECAP

Low

High

LDEQ RECAP

Polycyclic Aromatic Hydrocarbon (PAH)

Dibenz(a,h)anthracene

1

348 ug/kg

330 ug/kg

See Enviromapper sample station 23356.

Although the level of this PAH exceeds the RECAP value, the level falls within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.

Pesticides

Levels of Pesticides in the 23 samples collected in this zip code were all below LDEQ RECAP values.

Diesel and Oil Range Organics

Levels of diesel and oil range organics in the 23 samples collected in this zip code were all below LDEQ RECAP values.

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St. Bernard Parish (Zip Code 70092 – Total Samples in May = 44)

Chemical Group

Chemical

Number of samples above RECAP

Low

High

LDEQ RECAP

Polycyclic Aromatic Hydrocarbon (PAH)

Benzo(a)pyrene

3

338 ug/kg

604 ug/kg

330 ug/kg

Dibenz(a,h)anthracene

2

388 ug/kg

719 ug/kg

330 ug/kg

See Enviromapper sample stations 23226, 23443, 23477, 23485.

Benzo(a)anthracene

1

 

763 ug/kg

620 ug/kg

Benzo(b)fluoranthene

1

 

773 ug/kg

620 ug/kg

Indeno(1,2,3-cd)pyrene

3

630 ug/kg

965 ug/kg

620 ug/kg

See Enviromapper sample stations 23226, 23443, 23485.

Although the levels of these PAHs exceed their respective RECAP values, the levels fall within a risk range, of 1 in 1,000,000 to 1 in 10,000 risk of an individual developing cancer over a lifetime from exposure to those concentrations, which USEPA has found acceptable in other contexts.

Pesticides

Levels of pesticides in the 44 samples collected in this zip code were all below LDEQ RECAP values.

Diesel and Oil Range Organics

Levels of diesel and oil range organics in the 44 samples collected in this zip code were all below LDEQ RECAP values.

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St. Bernard Parish (Zip Code 70092 – Total Samples in February = 4)

Chemical Group Chemical Number of samples above RECAP Low High LDEQ RECAP
Diesel and Oil Range Organics Oil range organics 2 3220 mg/kg
(3,220,000 ug/kg)
3750 mg/kg
(3,750,000 ug/kg)
1800 mg/kg
(1,800,000 ug/kg)
Diesel range organics 2 940 mg/kg
(940,000 ug/kg)
1210 mg/kg
(1,210,000 ug/kg)
650 mg/kg
(650,000 ug/kg)
See Enviromapper sample station 19280. USEPA and LDEQ will work together to determine next steps at this location.

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Assumption Parish (zip code 70390 - Total samples in May = 1)

Chemical concentrations detected in the sample collected in this zip code were all below LDEQ RECAP values.

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