CONTAMINANTS IN NEW ORLEANS SEDIMENT, An Analysis of EPA

2,05

MB

Data

22

stron

3604

ID

Natural Resources Defense Council, Inc.

2006

rok

TABLE OF CONTENTS

Overview 3

Arsenic 4

Figure 1: Average and Maximum Arsenic Levels by District.5

Table 1: Locations with Sediment Arsenic Levels Greater than 100 Times the EPA Soil Cleanup

Guideline (39 mg/kg) 5

Table 2: Summary of EPA Arsenic Sampling in Greater New Orleans Area .6

Diesel Fuel 7

Figure 1: Average and Maximum Diesel-range Organics Levels by District 8

Table 1: Locations with Sediment Diesel Fuel Levels Greater than

100 Times LDEQ Screening Standard (65mg/kg) 8

Table 2: Summary of EPA Diesel Fuel Sampling in Greater New Orleans Area9

Benzo(a)pyrene .10

Figure 1: Average and Maximum Benzo(a)pyrene Levels by District11

Table 1: Locations with Highest Levels of Benzo(a)pyrene in Sediment .11

Table 2: Summary of EPA Benzo(a)pyrene Sampling in Greater New Orleans Area11

Lead 12

Figure 1: Average and Maximum Lead Levels by District .13

Table 1: Locations with Sediment Lead Levels Greatly Exceeding the LDEQ RECAP Cleanup Level.

(>400 mg/kg) 13

Table 2: Summary of EPA Lead Sampling in Greater New Orleans Area14

Endnotes15

Map of Arsenic Levels in New Orleans Area Sediment Samples 16

Map of Diesel-range Organics in New Orleans Area Sediment Samples 17

Map of Benzo(a)pyrene Levels in New Orleans Area Sediment Samples .18

Map of Lead Levels in New Orleans Area Sediment Samples.19

Health Advisory for New Orleans Residents20