Skip directly to search Skip directly to A to Z list Skip directly to site content

PUBLIC HEALTH ASSESSMENT

ANDREWS AIR FORCE BASE
CAMP SPRINGS, PRINCE GEORGE'S COUNTY, MARYLAND


Table 9.

Chemicals Detected in Surface Water, Sediment, Fish, and Strawberries in Piscataway Creek
Chemical Range
(ppb)
Frequency of Detections* Frequency above Standards Comparison Values
(ppb)
Type
SURFACE WATER
Volatile Organic Compounds
Carbon dioxide 9-35 BJ 20/20 NA NA NA
Styrene 1 J 1/18 0 100 LTHA
Semi-volatile Organic Compounds
Pyrene 1 J 1/18 0 300 child RMEG
Bis(2-ethylhexyl)phthalate 0.6 J-230 B 24/28 10
2
3
200
CREG
child RMEG
Butyl benzyl phthalate 1 J-22 4/18 0 2,000 child RMEG
Di-n-butyl phthalate 0.5 J-0.6 J 3/8 0 1,000 child RMEG
Diethylphthalate 0.6 BJ-0.7 BJ 2/8 0 8,000 child RMEG
Pesticides
Dieldrin 0.0023-0.0089 8/28 8
0
0.002
0.5
CREG
child C-EMEG
Heptachlor epoxide 0.006 P 1/18 1
0
0.004
0.1
CREG
child RMEG
Metals
Aluminum 51 B-127,000 E 28/28 1 20,000 child I-EMEG
Antimony 1.1-9.6 12/18 8 3 LTHA
Arsenic 3 B-34 S 2/18 2
1
0.02
3
CREG
child C-EMEG
Barium 34 B-1,570 20/20 1 700 child RMEG
Beryllium 5 1/18 0 20 child RMEG
Cadmium 1 B-66 5/18 3 2 child C-EMEG
Calcium 7,960-93,100 20/20 NA NA NA
Chromium 5 B-275 5/18 1 30 child RMEG
(chromium VI)
Cobalt 10 B-112 5/18 0 2,200 RBC
Copper 1.9-315 19/28 0 1,300 MCLG
Iron 320-854,000 28/28 3 11,000 RBC
Lead 1 B-479 25/28 3 15 MCL
Magnesium 1,850 B-31,100 20/20 NA NA NA
Manganese 40-24,400 20/20 3 500 child RMEG
Mercury 0.8-0.22 N 2/28 0 2 LTHA
Nickel 14.9 B-310 8/28 1 100 LTHA
Potassium 1,160 B-9,780 20/20 NA NA NA
Selenium 1 B 1/10 0 50 child C-EMEG
Sodium 2,330 B-23,600 20/20 NA NA NA
Tin 15.9-19.4 2/8 0 22,000 RBC
Vanadium 3 B-331 3/20 1 30 child I-EMEG
Zinc 10 B-2,600 23/28 0 3,000 child C-EMEG
SEDIMENT
Volatile Organic Compounds
Acetone 17-120 6/22 0 5,000,000 child RMEG
Carbon dioxide 24 BJ-250 BJ 10/10 NA NA NA
Methylene chloride 3 BJ-22 B 7/22 0 90,000 CREG
Tetrachloroethylene 4 J-8 J 2/22 0 500,000 chid RMEG
Semi-volatile Organic Compounds
2-Methylnaphthalene 23 J-41 J 3/12 0 1,600,000 RBC
Acenaphthene 150-590 5/22 0 3,000,000 child RMEG
Acenaphthylene 51-220 4/12 NA NA NA
Anthracene 81 J-700 7/22 0 20,000,000 child RMEG
Benz(a)anthracene 42-14,000 7/22 2 870 RBC
Benzo(a)pyrene 56-14,000 D 12/22 8 100 CREG
Benzo(b)fluoranthene 35 J-13,000 D 13/22 3 870 RBC
Benzo(b+k)fluoranthene 45-320 10/12 0 870 RBC
[benzo(b)fluoranthene]
Benzo(g,h,i)perylene 270 J-14,000 D 9/22 NA NA NA
Benzo(k)fluoranthene 44-1,100 6/22 0 8,700 RBC
Benzyl butyl phthalate 48-2,200 522 0 10,000,000 child RMEG
Bis(2-ethylhexyl)phthalate 52 BJ-3,800 B 21/22 0 50,000 CREG
Carbazole 170 J-290 J 2/12 0 32,000 RBC
(carbazole)
Chrysene 42-12,000 D 12/22 0 87,000 RBC
Di-n-butyl phthalate 82 J-1,300 B 14/22 0 5,000,000 child RMEG
Di-n-octyl phthalate 24 J 1/12 0 20,000,000 child I-EMEG
Dibenzofuran 130 J-290 J 4/22 0 310,000 RBC
Dibenz(a,h)anthracene 42-4,400 D 5/22 4 87 RBC
Diethylphthalate 64 BJ-92 BJ 2/12 0 40,000,000 child RMEG
Fluoranthene 48-16,000 D 17/22 0 2,000,000 child RMEG
Fluorene 190-530 5/22 0 2,000,000 child RMEG
Indeno(1,2,3-cd)pyrene 300 J-17,000 D 9/22 3 870 RBC
Naphthalene 58-62 2/12 0 1,000,000 child I-EMEG
Phenanthrene 62 J-3,100 15/22 NA NA NA
Pyrene 53-15,000 D 17/22 0 2,000,000 child RMEG
Pesticides
Endrin ketone 11 P 1/10 NA NA NA
Metals
Aluminum 189,000-4,130,000 12/22 0 100,000,000 child I-EMEG
Antimony 7,200 1/22 0 20,000 child RMEG
Arsenic 220-6,000 NS 17/22 13
0
500
20,000
CREG
child C-EMEG
Barium 2,000 B-79,000 10/10 0 4,000,000 child RMEG
Beryllium 90-500 B 12/21 0 100,000 child RMEG
Cadmium 160-5,000 13/22 0 10,000 child C-EMEG
Calcium 41,000 B-3,420,000 10/10 NA NA NA
Chromium 900 B-29,100 22/22 0 230,000 RBC
(chromium VI)
Cobalt 700 B-9,000 B 9/22 0 4,700,000 RBC
Copper 400 B-15,000 22/22 0 3,100,000 RBC
Iron 367,000-68,900,000 22/22 2 23,000,000 RBC
Lead 1,300-134,000 22/22 0 400,000 SSL
Magnesium 57,000 B-2,260,000 10/10 NA NA NA
Manganese 6,000-575,000 10/10 0 3,000,000 child RMEG
Mercury 200-300 3/22 NA NA NA
Nickel 2,000 B-38,000 15/22 0 1,000,000 child RMEG
Potassium 68,000 B-233,000 B 6/10 NA NA NA
Selenium 100 BNW-600 BNW 5/10 0 300,000 child C-EMEG
Silver 110-1,100 4/12 0 300,000 child RMEG
Sodium 50,000 B-2,130,000 7/10 NA NA NA
Vanadium 900 B-14,000 10/10 0 200,000 child I-EMEG
Tin 4,000-9,300 12/12 0 47,000,000 RBC
Zinc 4,200-93,000 N 22/22 0 20,000,000 child C-EMEG
FISH
Volatile Organic Compounds
Acetone 59-1,900 7/7 NA NA NA
2-Butanone 10- >4,200 3/7 NA NA NA
Toluene 12 J 1/7 NA NA NA
Semi-volatile Organic Compounds
Acenaphthene 37-1,700 7/7 NA NA NA
Acenaphthylene 600 1/7 NA NA NA
Anthracene 140-808 2/7 NA NA NA
Benz(a)anthracene 360 1/7 NA NA NA
Bis(2-ethylhexyl)phthalate 46 BJ-140 BJ 6/7 NA NA NA
Chrysene 340 1/7 NA NA NA
Di-n-butyl phthalate 44 BJ-400 B 6/7 NA NA NA
Fluoranthene 7,600 1/7 NA NA NA
Fluorene 42-630 2/7 NA NA NA
Naphthalene 65-640 2/7 NA NA NA
Phenanthrene 661 1/7 NA NA NA
Pyrene 56-2,400 2/7 NA NA NA
Pesticides/Polychlorinated Biphenyls
4,4'-DDD 2.1 J 1/7 NA NA NA
4,4'-DDE 1.3 J-13 7/7 NA NA NA
Dieldrin 1.6 J-30 J 7/7 NA NA NA
Heptachlor epoxide 1.4 J 1/7 NA NA NA
Aroclor-1254 23 J-100 7/7 NA NA NA
Aroclor-1260 9.0 J-81 7/7 NA NA NA
Metals
Aluminum 1,100-8,600 6/7 NA NA NA
Antimony 130-360 3/7 NA NA NA
Arsenic 60-100 2/7 NA NA NA
Cadmium 90-140 4/7 NA NA NA
Chromium 370-990 7/7 NA NA NA
Cobalt 150-370 2/7 NA NA NA
Copper 800-2,000 7/7 NA NA NA
Lead 110-1,000 4/7 NA NA NA
Mercury 100-210 5/7 NA NA NA
Nickel 220-720 3/7 NA NA NA
Tin 860-2,300 7/7 NA NA NA
Zinc 14,100-62,600 7/7 NA NA NA
STRAWBERRIES
Semi-volatile Organic Compounds
Bis(2-ethylhexyl)phthalate 5,100 1/2 NA NA NA
Chrysene 89 1/2 NA NA NA
Di-n-butyl phthalate 170 BJ-220 BJ 2/2 NA NA NA
Dibenz(a,h)anthracene 60 1/2 NA NA NA
Pesticides/Polychlorinated Biphenyls
Captan 54 1/4 NA NA NA
Iprodione 190-2,100 2/4 NA NA NA
Metals
Aluminum 13,000-14,200 2/2 NA NA NA
Copper 800-2,000 6/6 NA NA NA
Iron 5,000-11,000 6/6 NA NA NA
Lead 100 1/2 NA NA NA
Tin 910-33,000 6/6 NA NA NA
Zinc 2,000-2,800 2/2 NA NA NA

*Based on tables that only reported detected analytes, therefore, the denominator may actually be a larger number than reported in this table.

References: Andrews AFB 1993, EA Engineering 1995a

Abbreviations:
CREG - Cancer Risk Evaluation Guide
C-EMEG - chronic Environmental Media Evaluation Guide
I-EMEG - intermediate Environmental Media Evaluation Guide
LTHA - Lifetime Health Advisory for drinking water
MCLG - Maximum Contaminant Level Goal
NA - not available
ppb - parts per billion
RBC - Risk-based Concentration
RMEG - Reference Dose Media Evaluation Guide
SSL - Soil Screening Level

Qualifiers:
B - found in blank (organics) or value between IDL and CRQL (inorganics)
D - diluted
E - out of calibration range
J - estimated
N - spiked sample not within control limits
P - greater than 25% difference in two columns
W - post-digestion spike is out of control limits


Table 10.

Chemicals Detected in Surface Water and Sediment in Charles Branch
Chemical Range
(ppb)
Frequency of Detections Frequency above Standards Comparison Values
(ppb)
Type
SURFACE WATER
Volatile Organic Compounds
Chloroform5 JB-7 JB2/2 1
0
6
100
CREG
child C-EMEG
Toluene3 JB-4 JB2/20200child I-EMEG
Metals
Aluminum133-2202/2020,000child I-EMEG
Arsenic1.2-1.32/2 2
0
0.02
3
CREG
child C-EMEG
Barium38.9-41.32/20700child RMEG
Cadmium1.31/202child C-EMEG
Calcium38,100-38,4002/2NANANA
Copper10.4-12.92/201,300MCLG
Iron494-1,0202/2011,000RBC
Magnesium6,880-6,9302/2NANANA
Manganese41.8-52.32/20500child RMEG
Potassium2,300-2.3502/2NANANA
Sodium9,420-9,5702/2NANANA
Vanadium2.2-2.52/2030child I-EMEG
Zinc34.3-61.02/203,000child C-EMEG
SEDIMENT
Volatile Organic Compounds
Acetone18-25 B2/205,000,000child RMEG
Chloromethane12 J1/2049,000RBC
Methylene chloride3 J1/2090,000CREG
Semi-volatile Organic Compounds
Acenaphthene261/203,000,000child RMEG
Acenaphthylene371/2NANANA
Anthracene3501/2020,000,000child RMEG
Benz(a)anthracene88-1,7002/21870RBC
Benzo(a)pyrene120-1,5002/22100CREG
Benzo(b)fluoranthene2101/20870RBC
Benzo(g,h,i)perylene80-5502/2NANANA
Benzo(k)fluoranthene2,6001/208,700RBC
Bis(2-ethylhexyl)phthalate100-4102/2050,000CREG
Chrysene140-1,6002/2087,000RBC
Di-n-butyl phthalate571/205,000,000child RMEG
Dibenz(a,h)anthracene3001/2187RBC
Fluoranthene210-4,2002/202,000,000child RMEG
Fluorene641/202,000,000child RMEG
Indeno(1,2,3-cd)pyrene110-9802/21870RBC
Phenanthrene76-9402/2NANANA
Pyrene160-1,9002/202,000,000child RMEG
Metals
Aluminum5,840,000-8,850,0002/20100,000,000child I-EMEG
Arsenic1,400-2,1002/2 2
0
500
20,000
CREG
child C-EMEG
Barium30,200-35,5002/204,000,000child RMEG
Beryllium380-4302/20100,000child RMEG
Cadmium8501/2010,000child C-EMEG
Calcium1,470,000-1,680,0002/2NANANA
Chromium15,100-22,6002/20230,000 RBC
(chromium VI)
Cobalt2,800-9,3002/204,700,000RBC
Copper13,200-48,0002/203,100,000RBC
Iron 10,400,000-
13,000,000
2/2023,000,000RBC
Lead26,700-45,1002/20400,000SSL
Magnesium859,000-1,080,0002/2NANANA
Manganese21,400-106,0002/203,000,000child RMEG
Nickel10,800-20,3002/201,000,000child RMEG
Potassium384,000-687,0002/2NANANA
Silver1,100-2,3002/20300,000child RMEG
Sodium48,000-62,5002/2NANANA
Vanadium44,400-51,4002/20200,000child I-EMEG
Zinc33,900-92,0002/2020,000,000child C-EMEG
Total Petroleum Hydrocarbons
Gasoline Range Organics6,8001/4NANANA
Diesel Range Organics68,000-5,300,0004/4NANANA

References: Dames & Moore 1994, IT Corporation 1997

Abbreviations:
C-EMEG - chronic Environmental Media Evaluation Guide
CREG - Cancer Risk Evaluation Guide
I-EMEG - intermediate Environmental Media Evaluation Guide
MCLG - Maximum Contaminant Level Goal
NA - not available
ppb - parts per billion
RBC - Risk-based Concentration
RMEG - Reference Dose Media Evaluation Guide

Qualifiers:
B - found in blank
J - estimated


Table 11.

Chemicals Detected in Groundwater at LF-05
Chemical Range
(ppb)
Frequency of Detections* Frequency above Standards Comparison Values
(ppb)
Type
Volatile Organic Compounds
1,1-Dichloroethane0.7 J-12/140800RBC
1,2-Dichloroethane1.0 J1/10 1
0
0.4
700
CREG
CLHA
1,2-Dichloroethene, total0.2-1.0 J2/24070LTHA (cis)
2-Butanone740 D1/1406,000child RMEG
4-Methyl-2-pentanone63 E1/140140RBC
Acetone1 J-55 E3/2801,000child RMEG
Benzene1 J-1518/38 18
2
0.6
5
CREG
MCL
Carbon disulfide2.0 J-18.06/1001,000child RMEG
Chlorobenzene8-61018/382100LTHA
Chloroethane0.6 J1/1403.6RBC
Chloroform0.4 J1/1406CREG
Ethylbenzene0.1 J-142/280700LTHA
Methylene chloride2- 54 B11/24 4
0
5
600
CREG
child RMEG
Toluene0.2 J-1 J5/280200child I-EMEG
Xylenes, total0.2 J-98/3802,000child I-EMEG
Semi-volatile Organic Compounds
1,2-benzenedicarboxylicacid2.0 BJ-3.0 BJ2/13NANANA
1,3-Dichlorobenzene5J-122/270600LTHA
1,4-Dichlorobenzene3 J-6714/41075LTHA
2,4-Dimethylphenol15-1,0002/281200child RMEG
2-Chorophenol3.0 J-5 J2/27040LTHA
2-Methylnaphthalene4 J1/140120RBC
4-Chloro-3-methylphenol33 J1/14NANANA
Acenaphthene2 J2/270600child RMEG
Bis(2-ethylhexyl)phthalate2.0 J-6.0 J5/13 1
0
3
200
CREG
child RMEG
Diethylphthalate2 J-18 J9/2808,000child RMEG
Fluorene3 J2/270400child RMEG
Naphthalene2 J-165/41020LTHA
Pesticides/Polychlorinated Biphenyls
Heptachlor epoxide0.053 P1/14 1
0
0.004
0.1
CREG
child RMEG
Metals
Aluminum54.3 B-10,90035/38020,000child I-EMEG
Antimony1.1 B-2.6 B11/1403LTHA
Arsenic2.7 B-33.619/28 19
16
0.02
3
CREG
child C-EMEG
Barium7.9 J-1,28037/382700child RMEG
Beryllium0.44 J-3.8 B4/38020child RMEG
Cadmium0.89 J-4.6 B10/2852child C-EMEG
Calcium806 J-232,00038/38NANANA
Chromium4.6 J-28.76/28030 child RMEG
(chromium VI)
Cobalt5.3-66.710/3802,200RBC
Copper2.0 J-7.0 B4/3801,300MCLG
Iron42.0 B-108,00034/38611,000RBC
Lead1.0 B-19.410/38115MCL
Magnesium139 J-76,60038/38NANANA
Manganese3.4 B-3,64035/3815500child RMEG
Mercury0.11 B-0.35 N8/2402LTHA
Nickel6.0 J-58.022/380100LTHA
Potassium632 B-64,00035/38NANANA
Selenium2.1 B-30.96/28050child C-EMEG
Silver2.1 J1/28050child RMEG
Sodium3,230-680,00037/38NANANA
Thallium2.1 BN1/1410.5LTHA
Vanadium3.5 J-3.8 J3/28030child I-EMEG
Zinc6.5 B-50324/3803,000child C-EMEG

*Based on tables that only reported detected analytes, therefore, the denominator may actually be a larger number thanreported in this table.

References: Dames & Moore 1992, EA Engineering 1996, EA Engineering 1999

Abbreviations:
C-EMEG - chronic Environmental Media Evaluation Guide
CLHA - Child Longer Term Health Advisory
CREG - Cancer Risk Evaluation Guide
I-EMEG - intermediate Environmental Media Evaluation Guide
LTHA - Lifetime Health Advisory
MCLG - Maximum Contaminant Level Goal
NA - not available
ppb - parts per billion
RBC - Risk-based Concentration
RMEG - Reference Dose Media Evaluation Guide

Qualifiers:
B - found in blank (organics) or value between IDL and CRQL (inorganics)
D - diluted
E - out of calibration range
J - estimated
N - spiked sample not within control limits
P - greater than 25% difference in two columns


Table 12.

Chemicals Detected in an Off-Site Groundwater Well Near LF-05 (Well at Hexagon Developers)
Chemical Concentration Range
(ppb)
Frequency above Standards Comparison Values
(ppb)
Type
Volatile Organic Compounds
Methylene chloride7.2 B 1
0
5
600
CREG
child RMEG
Metals
Aluminum13.8 B020,000child I-EMEG
Barium200-2300700child RMEG
Beryllium0.69 B020child RMEG
Boron47.1 B0100child I-EMEG
Calcium43,300-47,300NANANA
Chromium0.37 B030 child RMEG
(chromium VI)
Cobalt0.54 B02,200RBC
Iron456-1,460011,000RBC
Lithium50.20730RBC
Magnesium6,580-28,000NANANA
Manganese130500child RMEG
Mercury0.04 B02LTHA
Nickel0.76 B0100LTHA
Potassium3,370-4,070NANANA
Silicon7,940NANANA
Sodium3,330-4,110NANANA
Thallium5.4 B10.5LTHA
Zinc115-34003,000child C-EMEG

Reference: PGCHD 1992a, IT Corporation 1998, State of Maryland 2000

Abbreviations:
C-EMEG - chronic Environmental Media Evaluation Guide
CREG - Cancer Risk Evaluation Guide
I-EMEG - intermediate Environmental Media Evaluation Guide
LTHA - Lifetime Health Advisory
NA - not available
ppb - parts per billion
RBC - Risk-based Concentration
RMEG - Reference Dose Media Evaluation Guide

Qualifiers:
B - found in blank (organics) or value between IDL and CRQL (inorganics)


Table 13.

Chemicals Detected in Off-Site Monitoring Wells at LF-05
Chemical Range
(ppb)
Frequency of Detections Frequency above Standards Comparison Values
(ppb)
Type
Volatile Organic Compounds
1,1-Dichloroethane11/60800RBC
Acetone5 J1/601,000child RMEG
Benzene2-55/6 5
1
0.6
5
CREG
MCL
Chlorobenzene8-366/60100LTHA
Methylene chloride21/605CREG
Toluene0.4 J1/60200child I-EMEG
Semi-volatile Organic Compounds
1,4-Dichlorobenzene3 J-8 J5/6075LTHA
Diethylphthalate2 J-6 J3/608,000child RMEG
Metals
Aluminum92.9 J-7245/6020,000child I-EMEG
Antimony1.1 B-1.3 B3/303LTHA
Arsenic2.7 B-4.63/6 3
1
0.02
3
CREG
child C-EMEG
Barium133 B-2056/60700child RMEG
Cadmium1.5 B-3.2 B3/622child C-EMEG
Calcium34,500-84,4006/6NANANA
Iron3,890 J-90,5006/6511,000RBC
Lead1.1 J-2.2 J2/6015MCL
Magnesium20,600-39,8006/6NANANA
Manganese448-2,1906/65500child RMEG
Mercury0.151/302LTHA
Nickel6.8 J-15.1 B4/60100LTHA
Potassium3,310-16,1006/6NANANA
Selenium3.2 B-6.5 B2/6050child C-EMEG
Sodium110,000-190,0006/6NANANA
Zinc15.8 B-26.23/603,000child C-EMEG

References: EA Engineering 1996, EA Engineering 1999

Abbreviations:
C-EMEG - chronic Environmental Media Evaluation Guide
CREG - Cancer Risk Evaluation Guide
I-EMEG - intermediate Environmental Media Evaluation Guide
LTHA - Lifetime Health Advisory
NA - not available
ppb - parts per billion
RBC - Risk-based Concentration
RMEG - Reference Dose Media Evaluation Guide

Qualifiers:
B - value between IDL and CRQL
J - estimated


FIGURES

Location of Andrews Air Force Base
Figure 1. Location of Andrews Air Force Base

ATSDR's Exposure Evaluation Process
Figure 2. ATSDR's Exposure Evaluation Process

Locations of IRP Sites at Andrews Air Force Base
Figure 3. Locations of IRP Sites at Andrews Air Force Base



Next Section     Table of Contents

  
 
USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Agency for Toxic Substances and Disease Registry, 4770 Buford Hwy NE, Atlanta, GA 30341
Contact CDC: 800-232-4636 / TTY: 888-232-6348

A-Z Index

  1. A
  2. B
  3. C
  4. D
  5. E
  6. F
  7. G
  8. H
  9. I
  10. J
  11. K
  12. L
  13. M
  14. N
  15. O
  16. P
  17. Q
  18. R
  19. S
  20. T
  21. U
  22. V
  23. W
  24. X
  25. Y
  26. Z
  27. #