FINAL SEDIMENT SAMPLING REPORT GOWANUS CANAL AND BAY ECOSYSTEM RESTORATION PROJECT DACW51-03-D-0014 DELIVERY ORDER NUMBER 003 Prepared for: U.S. Army Corps of Engineers New York District 26 Federal Plaza New York, New York 10278-0090 Prepared by: DMA, Inc. 410 Pine Street Suite 210 Vienna, VA 22180 AMEC Earth & Environmental, Inc. 285 Davidson Ave., Suite 100 Somerset, NJ 08873 August 2006
This is a 2006 sediment sampling report prepared for the USACE, as part of future planning for the Gowanus Canal and Bay ecosystem restoration Project.
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FINAL
SEDIMENT SAMPLING REPORT
GOWANUS CANAL AND BAY ECOSYSTEM RESTORATION PROJECT DACW51-03-D-0014
DELIVERY ORDER NUMBER 003
Prepared for:
U.S. Army Corps of Engineers New York District 26 Federal Plaza
New York, New York 10278-0090
Prepared by:
DMA, Inc. 410 Pine Street
Suite 210 Vienna, VA 22180
AMEC Earth & Environmental, Inc. 285 Davidson Ave., Suite 100
Somerset, NJ 08873
August 2006
FINAL Sediment Sampling Report Page i Gowanus Canal and Bay Ecosystem Restoration Study August 2006
TABLE OF CONTENTS
1.0 INTRODUCTION AND PURPOSE....................................................................... 1
2.0 SITE DESCRIPTION AND HISTORY .................................................................. 3
3.0 FIELD SAMPLING PROCEDURES ..................................................................... 5
� Pesticides and PCBs utilizing EPA SW-846 Method 8081/8082;
� Total Organic Carbon (TOC) using Standard Method 5310B; and
� Grain size using Method ASTM D-422.
Samples were evaluated for characteristics of acute toxicity using a salt-water
sediment-dwelling macroinvertebrate, Ampelisca abdita. Chemical results are tabulated
and presented in Appendix C. The bioassay report is presented in Appendix D.
FINAL Sediment Sampling Report Page 14 Gowanus Canal and Bay Ecosystem Restoration Study August 2006
6.0 CONCLUSIONS
Chemical data that was obtained from the sediment samples will be incorporated into an
ecological risk assessment (ERA) model to evaluate the potential for impacts to higher
trophic level organisms. The results of the food-chain modeling will be used to assess a
degradation factor to planned HEP modeling to be conducted on the sediment benthic
community within the Gowanus Canal. The ERA model will be a standard food chain
model looking at the uptake of constituents of concern in sediment by sediment-dwelling
organisms and the feeding of those prey parameters into higher trophic level organisms.
FINAL Sediment Sampling Report Page 15 Gowanus Canal and Bay Ecosystem Restoration Study August 2006
7.0 REFERENCES
AMEC. 2001. Sediment Sampling Work Plan; Gowanus Canal And Bay Ecosystem Restoration Project; DACW51-03-D-0014. U.S. Army Corps of Engineers (USACE). 2003. Site Investigation Gowanus Bay and Gowanus Canal Kings County, NY, Final Report Volume 1. USACE Baltimore District. Baltimore, MD. USEPA. 1985. Chemical, Physical, and Biological Properties of Compounds Present at Hazardous Waste Sites. EPA/530-SW-89-010. Office of Solid Waste. Washington, D.C. USEPA. 1987b. Municipal Waste Combustion Study: Report to Congress. EPA 530-SW-87-021a.Office of Solid Waste and Emergency Response, Washington, D.C. USEPA. 1990. Suspended, Canceled, and Restricted Pesticides. USEPA/2OT-1002. Office of Pesticides and Toxic Substances. Washington, D.C. USEPA. 1992. Sediment Classification Methods Compendium. EPA 823-R-92-006. Office of Water. Washington, D.C. USEPA. 1993. Selecting Remediation Techniques for Contaminated Sediments. EPA-823-B93-C01. Office of Water. Washington, D.C. USEPA. 1994. EPA’s Contaminated Sediment Management Strategy. EPA 823-R-94-001. Office of Water. Washington, D.C. USEPA. 2001. Methods for Collection, Storage, and Manipulation of Sediments for Chemical and Toxicological Analyses: Technical Manual. EPA-823-B-01-002. Office of Water. Washington, D.C.
FINAL Sediment Sampling Report Gowanus Canal and Bay Ecosystem Restoration Project August 2006
General observations: No benthic invertebrates; this station had to be relocated
numerous times due to the coring device meeting refusal and unable to penetrate
to depth. Much of this section of the canal has extensive gravel beds mixed in
the sediment.
Photographs:
Description: Facing the downstream towards the sample location; sample location was located just upstream of the large tree in center of the photograph on the opposite bank.
FINAL Sediment Sampling Report Gowanus Canal and Bay Ecosystem Restoration Project August 2006
Sample Location GC-31 (Continued):
Description: Facing towards a small turning basin just downstream of the sample location.
Description: Facing upstream from the sample location, note the 1st Street Bridge.
FINAL Sediment Sampling Report Gowanus Canal and Bay Ecosystem Restoration Project August 2006
Appendix C
Data Tables
Table 1Sediment Analyte Concentrations
Gowanus CanalNew York City, NY
Sample ID Chronic Chronic Acute AcuteLab ID Sediment Benchmark Sediment Benchmark
Sample Date Benchmarks Reference Benchmarks ReferencePercent Moisture
SVOCs (ug/kg)1,2,4-Trichlorobenzene 5062 b NC NA 16000 U 2200 U 1100 U 420 U 180 U 170 U 88 U 190 U 120 U 800 U1,2-Dichlorobenzene 294 b NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 U1,3-Dichlorobenzene 1315 b NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 U1,4-Dichlorobenzene 318 b NC NA 160000 U 22000 U 11000 U 4200 U 75 J 100 J 44 J 76 J 76 J 8000 U2,4,5-Trichlorophenol NC NA NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 U2,4,6-Trichlorophenol 208 b NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 U2,4-Dichlorophenol 81.7 b NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 U2,4-Dimethylphenol 304 b NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 U2,4-Dinitrophenol 6.21 b NC NA 660000 U 89000 U 44000 U 17000 U 7400 U 6700 U 3500 U 7800 U 4900 U 32000 U2,4-Dinitrotoluene 14.4 b NC NA 33000 U 4500 U 2200 U 830 U 370 U 330 U 180 U 390 U 240 U 1600 U2,6-Dinitrotoluene 39.8 b NC NA 33000 U 4500 U 2200 U 830 U 370 U 330 U 180 U 390 U 240 U 1600 U2-Chloronaphthalene 417 b NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 U2-Chlorophenol 31.9 b NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 U2-Methylnaphthalene 20.2 b NC NA 1000000 13000 J 17000 1800 J 120 J 410 J 100 J 990 J 3800 110002-Methylphenol (o-Cresol) 55.4 b NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 U2-Nitroaniline NC NA NC NA 330000 U 45000 U 22000 U 8300 U 3700 U 3300 U 1800 U 3900 U 2400 U 16000 U2-Nitrophenol NC NA NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 U3,3'-Dichlorobenzidine 127 b NC NA 330000 U 45000 U 22000 U 8300 U 3700 U 3300 U 1800 U 3900 U 2400 U 16000 U3-Nitroaniline NC NA NC NA 330000 U 45000 U 22000 U 8300 U 3700 U 3300 U 1800 U 3900 U 2400 U 16000 U4,6-Dinitro-2-methylphenol NC NA NC NA 660000 U 89000 U 44000 U 17000 U 7400 U 6700 U 3500 U 7800 U 4900 U 32000 U4-Bromophenyl-phenylether 1550 b NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 U4-Chloro-3-methylphenol 388 b NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 U4-Chloroaniline 146 b NC NA 160000 U 22000 U 3800 J 1000 J 240 J 750 J 220 J 390 J 110 J 8000 U4-Chlorophenyl-phenylether NC NA NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 U4-Methylphenol (p-Cresol) 20.2 b NC NA 160000 U 22000 U 11000 U 4200 U 140 J 71 J 160 J 74 J 96 J 8000 U4-Nitroaniline NC NA NC NA 330000 U 45000 U 22000 U 8300 U 3700 U 3300 U 1800 U 3900 U 2400 U 16000 U4-Nitrophenol 13.3 b NC NA 660000 U 89000 U 44000 U 17000 U 7400 U 6700 U 3500 U 7800 U 4900 U 32000 UAcenaphthene 6.71 b NC NA 460000 14000 J 34000 13000 690 J 3200 820 J 8800 5600 39000Acenaphthylene 5.87 b NC NA 87000 J 9400 J 12000 7100 720 J 2600 830 J 3800 2800 17000Anthracene 57.2 b 33300 e 280000 21000 J 34000 14000 1000 J 3500 1100 7700 5500 44000Benzo(a)anthracene 108 b 133200 e 150000 19000 29000 15000 2200 6000 2100 8000 5800 37000Benzo(a)pyrene 150 b 129600 e 120000 17000 23000 13000 2100 6300 2100 7400 5300 32000Benzo(b)fluoranthene 10400 b NC NA 52000 8000 11000 7900 1800 3800 1400 4000 3000 14000Benzo(g,h,i)perylene 170 b 28800 e 48000 J 6000 J 6800 J 2700 J 510 J 1000 J 430 J 1300 J 960 J 7900 JBenzo(k)fluoranthene 240 b 120600 e 72000 12000 16000 11000 2000 5400 2200 5800 4300 23000bis(2-Chloroethoxy)methane NC NA NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 Ubis(2-Chloroethyl)ether 3520 b NC NA 16000 U 2200 U 1100 U 420 U 180 U 170 U 88 U 190 U 120 U 800 Ubis(2-Chloroisopropyl)ether NC NA NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 Ubis(2-Ethylhexyl)phthalate 182 b NC NA 94000 J 160000 71000 33000 8900 24000 8300 9800 3700 15000Butylbenzylphthalate 1970 b NC NA 160000 U 9800 J 11000 U 4200 U 440 J 1000 J 320 J 1900 U 1200 U 3500 JCarbazole NC NA NC NA 160000 U 22000 U 450 J 4200 U 130 J 1700 U 66 J 190 J 160 J 370 JChrysene 166 b 41400 e 180000 22000 J 32000 17000 2400 6600 2400 8400 6200 41000Dibenzo(a,h)anthracene 33 b 11700 e 16000 U 2400 2800 740 180 U 530 180 560 420 2700Dibenzofuran 449 b NC NA 36000 J 2100 J 2500 J 4200 U 180 J 1700 U 100 J 700 J 460 J 2800 JDiethylphthalate 295 b NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 UDimethylphthalate NC NA NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 UDi-n-butylphthalate 1114 b NC NA 160000 U 22000 U 11000 U 1300 J 1800 U 1700 U 880 U 1900 U 1200 U 8000 UDi-n-octylphthalate 40600 b NC NA 160000 U 10000 J 4400 J 2700 J 1800 U 3000 560 J 850 J 1200 U 8000 UFluoranthene 423 b 91800 e 260000 31000 52000 29000 4600 12000 4000 14000 10000 66000Fluorene 77.4 b 14400 e 270000 9200 J 9100 J 3500 J 520 J 1700 U 190 J 3000 3400 17000Hexachlorobenzene 20 b 2160 e 16000 U 2200 U 1100 U 420 U 180 U 170 U 88 U 190 U 120 U 800 UHexachlorobutadiene 26.5 b NC NA 33000 U 4500 U 2200 U 830 U 370 U 330 U 180 U 390 U 240 U 1600 UHexachlorocyclopentadiene 901 b NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 UHexachloroethane 584 b NC NA 16000 U 2200 U 1100 U 420 U 180 U 170 U 88 U 190 U 120 U 800 UIndeno(1,2,3-cd)pyrene 200 b 28800 e 38000 5500 5500 2300 550 1100 450 1400 990 7200Isophorone 432 b NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 UNaphthalene 176 b NC NA 1700000 15000 J 30000 7900 310 J 570 J 200 J 1200 J 4100 21000Nitrobenzene 145 b NC NA 16000 U 2200 U 1100 U 420 U 180 U 170 U 88 U 190 U 120 U 800 UN-Nitroso-di-n-propylamine NC NA NC NA 16000 U 2200 U 1100 U 420 U 180 U 170 U 88 U 190 U 120 U 800 UN-Nitrosodiphenylamine NC NA NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 UPentachlorophenol 23000 b NC NA 660000 U 89000 U 44000 U 17000 U 7400 U 6700 U 3500 U 7800 U 4900 U 32000 UPhenanthrene 204 b 85500 e 780000 47000 58000 29000 2800 1600 J 1000 19000 16000 90000Phenol 49.1 b NC NA 160000 U 22000 U 11000 U 4200 U 1800 U 1700 U 880 U 1900 U 1200 U 8000 UPyrene 195 b 76500 e 420000 48000 71000 34000 5600 18000 5800 22000 15000 90000
Sample Date Benchmarks Reference ReferencePercent MoisturePesticides (ug/kg)
4,4'-DDD 4.88 b 540 e 85 P* 380 P* 22 U 220 P* 48 17 U 220 38 P* 12 U 2404,4'-DDE 3.16 b 1710 e 49 P* 110 U 400 230 30 270 110 48 12 U 80 U4,4'-DDT 4.16 b 6390 e 140 P* 110 U 620 P* 380 P* 19 P* 280 P* 18 U 46 P* 12 U 80 UAldrin 2.0 b 720 e 16 U 110 U 22 U 17 U 19 U 17 U 18 U 19 U 12 U 80 Ualpha-BHC 6.0 b 900 e 16 U 110 U 22 U 17 U 19 U 17 U 18 U 19 U 12 U 80 Ubeta-BHC 5.0 b 1890 e 46 110 U 84 33 P* 19 U 50 18 U 20 P* 12 U 80 UChlordane 3.24 b 540 e 160 U 1100 U 1500 940 190 U 840 810 360 120 U 800 Udelta-BHC 71500 b NC NA 16 U 110 U 22 U 17 U 19 U 17 U 18 U 19 U 12 U 80 UDieldrin 3.3 c 8190 e 39 110 U 280 180 19 U 180 49 P* 19 U 12 U 80 UEndosulfan I 3.26 b NC NA 16 U 110 U 22 U 17 U 19 U 17 U 18 U 19 U 12 U 80 UEndosulfan II 1.94 b NC NA 26 P* 110 U 22 U 17 U 19 U 17 U 18 U 19 U 12 U 120 P*Endosulfan Sulfate 34.6 b NC NA 16 U 110 U 22 U 17 U 19 U 17 U 18 U 19 U 12 U 80 UEndrin 2.22 b 11700 e 16 U 110 U 43 P* 32 P* 19 U 22 P* 18 U 19 U 12 U 80 UEndrin Aldehyde 480 b NC NA 54 P* 170 P* 130 P* 170 19 U 17 U 18 U 59 180 80 UEndrin Ketone NC NA NC NA 82 110 U 22 U 17 U 19 U 17 U 93 20 P* 12 U 80 Ugamma-BHC (Lindane) 2.37 b 90 e 21 140 P* 22 U 20 P* 19 U 19 P* 18 U 19 U 12 U 80 UHeptachlor 0.60 b NC NA 16 U 880 P* 22 U 17 U 19 U 17 U 18 U 19 U 12 U 80 UHeptachlor Epoxide 2.47 b 450 e 16 U 110 U 22 U 17 U 19 U 52 P* 18 U 19 U 12 U 80 UMethoxychlor 13.6 b NC NA 110 P* 110 U 22 U 17 U 22 P* 17 U 18 U 44 P* 12 U 210 P*Toxaphene 0.077 b NC NA 160 U 1100 U 220 U 170 U 190 U 170 U 180 U 190 U 120 U 800 U
PCBs (ug/kg)Aroclor-1016 7.0 d 4770 e 330 U 2200 U 220 U 170 U 190 U 170 U 180 U 190 U 120 U 160 UAroclor-1221 67 c NC NA 330 U 2200 U 220 U 170 U 190 U 170 U 180 U 190 U 120 U 160 UAroclor-1232 NC NA NC NA 330 U 2200 U 220 U 170 U 190 U 170 U 180 U 190 U 120 U 160 UAroclor-1242 NC NA NC NA 2500 35000 2400 2200 190 U 1800 180 U 190 U 120 U 730Aroclor-1248 30 d 13500 e 330 U 2200 U 220 U 170 U 190 U 170 U 180 U 190 U 120 U 160 UAroclor-1254 60 d 3060 e 330 U 2200 U 220 U 170 U 350 170 U 340 330 120 U 160 UAroclor-1260 5.0 d 2160 e 5200 2200 U 4100 3000 190 U 2200 180 U 280 120 U 540Aroclor-1262 NC NA NC NA 330 U 2200 U 220 U 170 U 190 U 170 U 180 U 190 U 120 U 160 UAroclor-1268 NC NA NC NA 330 U 2200 U 220 U 170 U 190 U 170 U 180 U 190 U 120 U 160 U
Metals (mg/kg)Antimony 2.0 a 25 f 2.9 UN 4 BN 3.8 UN 2.9 UN 3.2 UN 3.5 BN 3.1 UN 3.5 BN 2.1 UN 2.8 UNArsenic 6.0 a 33 f 14.3 14.4 18.2 12.3 7.5 10.8 6.9 6.7 4.4 8.4Beryllium NC NA NC NA 0.59 B 0.7 B 0.83 B 0.65 B 0.84 B 0.7 B 0.85 B 0.9 B 0.49 B 0.67 BCadmium 0.60 a 9.0 f 16 34.6 29.4 7.3 2.1 B 10 1.5 B 2 B 0.15 U 2.9Chromium 26 a 110 f 272 N 416 N 518 N 166 N 90.5 N 207 N 86.2 N 86.3 N 39.7 N 82.7 NCopper 16 a 110 f 540 818 874 370 245 482 217 229 120 217Lead 31 a 110 f 732 N 1120 N 1160 N 670 N 420 N 882 N 306 N 366 N 110 N 330 NMercury 0.15 a 1.3 f 5.4 5 4.3 2.5 3.1 2.5 1.8 1.4 0.44 2.1Nickel 16 a 50 f 135 D 268 D 283 D 94.3 D 49.3 D 133 D 44.2 D 45.6 D 20.8 D 41.2 DSelenium NC NA NC NA 2.3 B 3.7 3.2 B 2.5 2.3 U 2.4 B 2.9 3.8 1.5 U 2.9Silver 1.0 a 2.2 f 9.1 19.5 20.5 7.3 8.4 8.8 5.6 6.1 2.4 B 5.5Thallium NC NA NC NA 1.2 U 1.6 U 1.6 U 1.2 U 1.3 U 1.2 U 1.2 U 1.4 U 1.7 U 1.1 UZinc 120 a 270 f 1010 1530 1680 825 557 1010 484 517 180 494
Other (mg/kg)TOC NC NA NC NA 158000 161000 145000 9300 72700 104000 61500 78600 26500 84700
Grain Size (%)Gravel NC NA NC NA 14.1 2.0 0.0 15.4 0.70 0.10 0.10 1.1 0.60 1.8Sand NC NA NC NA 26.3 12.7 5.8 26.6 17.4 25.4 17.2 25.9 64.6 33.4Silt NC NA NC NA 49.4 70.1 79.4 48.8 66.6 62.5 70.6 57.6 27.3 54.1Clay NC NA NC NA 10.2 15.2 14.8 9.2 15.3 12 12 15.5 7.5 10.6
NOTES: References:NC - No criteria a - NYSDEC "Technical Guidance for Screening Contaminated Sediments" (1999) Lowest Effects Level NA - Not applicable b - EPA Region 5 "RCRA Ecological Screening Levels (ESLs)" (2003) Detected concentration above the chronic sediment screening benchmark c - EPA Region 4 Supplimental Guidance to RAGS: Region 4 Bulletins, Ecological Risk Assessment" (2001) Detected concentration above the acute sediment screening benchmark Sediment Screening Values for Hazardous Waste Sites.Detected concentration with no associated sediment screening benchmark d - NJDEP "Guidance for Sediment Quality Evaluations" (1998) Lowest Effects LevelQualifiers: e - NJDEP "Guidance for Sediment Quality Evaluations" (1998) Severe Effects Level (Using Average TOC of 9.0%)B - Reported value is less than the Practical Quantitation Limit but greater than or equal to the Instrument Detection Limit. f - NYSDEC "Technical Guidance for Screening Contaminated Sediments" (1999) Severe Effects Level D - Duplicate analysis is not within control limits.J - Mass spectral data indicates the presence of a compound that meets the identified criteria. The result is less than the specified quantitation limit but greater than or equal to the method detection limit. The concentration given is an approximate value.N - The spiked sample recovery is not within control limits.P - For duel column analysis, the percent difference between the quantitated concentrations on the two columns is greater than 40%.U = The compound was not detected at the indicated concentration. * - For duel column analysis, the lowest quantitated concentration is being reported due to coeluting interference.