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Public Health Assessment
Fish and Shellfish Evaluation,
Isla de Vieques Bombing Range,
Vieques, Puerto Rico

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June 27, 2003
Prepared by:

Federal Facilities Assessment Branch
Division of Health Assessment and Consultation
Agency for Toxic Substances and Disease Registry

Appendix D Continued

Table D-1.

Exposure Doses for Chemicals Below the Oral Health Guideline in Fish
Chemical Maximum Detected Concentration (ppm) Estimated Exposure Dose (mg/kg/day) Oral Health Guideline (mg/kg/day) Basis for Health Guideline
Adult Child
Aluminum 13.5 0.0438 0.0958 1.0 chronic RfD
Barium 6.59 0.0214 0.0467 0.07 chronic RfD
Beryllium 0.02 0.00006 0.00014 0.001 chronic MRL
Cadmium 0.08 0.00026 0.00057 0.001 chronic RfD (food)
Cobalt 0.11 0.0004 0.0008 0.02 chronic RfD
Manganese 3.09 0.0100 0.0219 0.14 chronic RfD (food)
Nickel 1.28 0.0042 0.0091 0.02 chronic RfD
Silver 0.11 0.0004 0.0008 0.005 chronic RfD
Vanadium 0.09 0.0003 0.0006 0.007 chronic RfD
Zinc 24.7 0.0801 0.1752 0.3 chronic MRL/RfD

Notes: Exposure doses were calculated using 365 days/year for EF in the formula described in the Deriving exposure doses section of this appendix: (Conc. x IR x EF x ED) / (BW x AT).


Table D-2.

Exposure Doses for Chemicals Below the Oral Health Guideline in Shellfish
Metal Maximum Detected Concentration (ppm) Estimated Exposure Dose (mg/kg/day) Oral Health Guideline (mg/kg/day) Basis for Health Guideline
Adult Child
Aluminum 43.9 0.1424 0.3114 1.0 chronic RfD
Barium 7.25 0.0235 0.0514 0.07 chronic RfD
Beryllium 0.02 0.00006 0.00014 0.001 chronic MRL
Cobalt 0.09 0.0003 0.0006 0.02 chronic RfD
Manganese 5.06 0.0164 0.0359 0.14 chronic RfD (food)
Silver 0.19 0.0006 0.0013 0.005 chronic RfD
Vanadium 0.27 0.0009 0.0019 0.007 chronic RfD

Note: Exposure doses were calculated using 365 days/year for EF in the formula described in the Deriving exposure doses section of this appendix: (Conc. x IR x EF x ED) / (BW x AT).


Table D-3.

Estimated Exposure Doses from Ingestion of Fish
Metal Level of Exposure Maximum Detected Concentration (ppm) Estimated Exposure Dose (mg/kg/day) Oral Health Guideline (mg/kg/day) Basis for Health Guideline
Adult Child
Arsenic 7 days/week 29.25 0.095* 0.207* 0.0003 chronic MRL/RfD
5 days/week 29.25 0.068* 0.148* 0.0003 chronic MRL/RfD
4 days/week 29.25 0.054* 0.118* 0.0003 chronic MRL/RfD
2 days/week 29.25 0.027* 0.059* 0.0003 chronic MRL/RfD
1 day/week 29.25 0.014* 0.030* 0.0003 chronic MRL/RfD
Chromium 7 days/week 1.99 0.0065* 0.0141* 0.003 chronic RfD (CrVI)
5 days/week 1.99 0.0046* 0.0101* 0.003 chronic RfD (CrVI)
4 days/week 1.99 0.0037* 0.0180* 0.003 chronic RfD (CrVI)
2 days/week 1.99 0.0018 0.0040* 0.003 chronic RfD (CrVI)
1 day/week 1.99 0.0009 0.0020* 0.003 chronic RfD (CrVI)
Copper 7 days/week 8.21 0.027 0.058* 0.04 chronic RfD
5 days/week 8.21 0.019 0.041* 0.04 chronic RfD
4 days/week 8.21 0.015 0.033 0.04 chronic RfD
2 days/week 8.21 0.008 0.017 0.04 chronic RfD
1 day/week 8.21 0.004 0.008 0.04 chronic RfD
Iron 7 days/week 57.78 0.19 0.41* 0.3 chronic RfD
5 days/week 57.78 0.13 0.29 0.3 chronic RfD
4 days/week 57.78 0.11 0.23 0.3 chronic RfD
2 days/week 57.78 0.05 0.12 0.3 chronic RfD
1 day/week 57.78 0.03 0.06 0.3 chronic RfD
Lead 7 days/week 1.94 0.0063 0.0138 NA NA
5 days/week 1.94 0.0045 0.0098 NA NA
4 days/week 1.94 0.0036 0.0078 NA NA
2 days/week 1.94 0.0018 0.0039 NA NA
1 day/week 1.94 0.0009 0.0020 NA NA
Mercury, total 7 days/week 0.33 0.00107* 0.00234* 0.0003 chronic MRL (MeHg)
5 days/week 0.33 0.00076* 0.00167* 0.0003 chronic MRL (MeHg)
4 days/week 0.33 0.00061* 0.00133* 0.0003 chronic MRL (MeHg)
2 days/week 0.33 0.00030 0.00067* 0.0003 chronic MRL (MeHg)
1 day/week 0.33 0.00015 0.00033* 0.0003 chronic MRL (MeHg)
Methylmercury 7 days/week 0.082 0.00027 0.00058* 0.0003 chronic MRL
5 days/week 0.082 0.00019 0.00042* 0.0003 chronic MRL
4 days/week 0.082 0.00015 0.00033* 0.0003 chronic MRL
2 days/week 0.082 0.00008 0.00017 0.0003 chronic MRL
1 day/week 0.082 0.00004 0.00008 0.0003 chronic MRL
Selenium 7 days/week 2.48 0.0080* 0.0176* 0.005 chronic MRL/RfD
5 days/week 2.48 0.0057* 0.0125* 0.005 chronic MRL/RfD
4 days/week 2.48 0.0046 0.0100* 0.005 chronic MRL/RfD
2 days/week 2.48 0.0023 0.0050 0.005 chronic MRL/RfD
1 day/week 2.48 0.0011 0.0025 0.005 chronic MRL/RfD

* Estimated exposure exceeds health guideline; however, an exposure dose that is higher than the MRL or RfD does not necessarily result in harmful health effects. These metals are further evaluated.

Note: Exposure doses were calculated using the formula described in the Deriving exposure doses section of this appendix: (Conc. x IR x EF x ED) / (BW x AT).

Table D-4.

Estimated Exposure Doses from Ingestion of Shellfish
Metal Level of Exposure Maximum Detected Concentration (ppm) Estimated Exposure Dose (mg/kg/day) Oral Health Guideline (mg/kg/day) Basis for Health Guideline
Adult Child
Arsenic 7 days/week 48.28 0.157* 0.342* 0.0003 chronic MRL/RfD
5 days/week 48.28 0.112* 0.244* 0.0003 chronic MRL/RfD
4 days/week 48.28 0.0892* 0.195* 0.0003 chronic MRL/RfD
2 days/week 48.28 0.045* 0.098* 0.0003 chronic MRL/RfD
1 day/week 48.28 0.022* 0.049* 0.0003 chronic MRL/RfD
Cadmium 7 days/week 0.69 0.0022* 0.0049* 0.001 chronic RfD (food)
5 days/week 0.69 0.0016* 0.0035* 0.001 chronic RfD (food)
4 days/week 0.69 0.0013* 0.0028* 0.001 chronic RfD (food)
2 days/week 0.69 0.0006 0.0014* 0.001 chronic RfD (food)
1 day/week 0.69 0.0003 0.0007 0.001 chronic RfD (food)
Chromium 7 days/week 1.29 0.0042* 0.0092* 0.003 chronic RfD (CrVI)
5 days/week 1.29 0.0030 0.0065* 0.003 chronic RfD (CrVI)
4 days/week 1.29 0.0024 0.0052* 0.003 chronic RfD (CrVI)
2 days/week 1.29 0.0012 0.0026 0.003 chronic RfD (CrVI)
1 day/week 1.29 0.0006 0.0013 0.003 chronic RfD (CrVI)
Copper 7 days/week 17.6 0.057* 0.124* 0.04 chronic RfD
5 days/week 17.6 0.041* 0.089* 0.04 chronic RfD
4 days/week 17.6 0.032 0.071* 0.04 chronic RfD
2 days/week 17.6 0.016 0.035 0.04 chronic RfD
1 day/week 17.6 0.008 0.018 0.04 chronic RfD
Iron 7 days/week 162 0.52* 1.15* 0.3 chronic RfD
5 days/week 162 0.37* 0.82* 0.3 chronic RfD
4 days/week 162 0.30 0.65* 0.3 chronic RfD
2 days/week 162 0.15 0.33* 0.3 chronic RfD
1 day/week 162 0.07 0.16 0.3 chronic RfD
Lead 7 days/week 0.57 0.0018 0.0040 NA NA
5 days/week 0.57 0.0013 0.0029 NA NA
4 days/week 0.57 0.0011 0.0023 NA NA
2 days/week 0.57 0.0005 0.0012 NA NA
1 day/week 0.57 0.0003 0.0006 NA NA
Mercury, total 7 days/week 0.05 0.00016 0.00036* 0.0003 chronic MRL (MeHg)
5 days/week 0.05 0.00012 0.00025 0.0003 chronic MRL (MeHg)
4 days/week 0.05 0.00009 0.00020 0.0003 chronic MRL (MeHg)
2 days/week 0.05 0.00005 0.00010 0.0003 chronic MRL (MeHg)
1 day/week 0.05 0.00002 0.00005 0.0003 chronic MRL (MeHg)
Methylmercury 7 days/week 0.019 0.00006 0.00014 0.0003 chronic MRL
5 days/week 0.019 0.00004 0.00010 0.0003 chronic MRL
4 days/week 0.019 0.00004 0.00008 0.0003 chronic MRL
2 days/week 0.019 0.00002 0.00004 0.0003 chronic MRL
1 day/week 0.019 0.00001 0.00002 0.0003 chronic MRL
Selenium 7 days/week 1.16 0.0038 0.0082* 0.005 chronic MRL/RfD
5 days/week 1.16 0.0027 0.0059* 0.005 chronic MRL/RfD
4 days/week 1.16 0.0021 0.0047 0.005 chronic MRL/RfD
2 days/week 1.16 0.0011 0.0023 0.005 chronic MRL/RfD
1 day/week 1.16 0.0005 0.0012 0.005 chronic MRL/RfD
Zinc 7 days/week 96.6 0.31* 0.69* 0.3 chronic MRL/RfD
5 days/week 96.6 0.22 0.49* 0.3 chronic MRL/RfD
4 days/week 96.6 0.18 0.39* 0.3 chronic MRL/RfD
2 days/week 96.6 0.09 0.20 0.3 chronic MRL/RfD
1 day/week 96.6 0.04 0.10 0.3 chronic MRL/RfD


* Estimated exposure exceeds health guideline; however, an exposure dose that is higher than the MRL or RfD does not necessarily result in harmful health effects. These metals are further evaluated.

Note: Exposure doses were calculated using the formula described in the Deriving exposure doses section of this appendix: (Conc. x IR x EF x ED) / (BW x AT).

Table D-5.

Inorganic Arsenic Exposure Doses According to Location
Location Fish Shellfish
Average Concentration (ppm) Estimated Exposure Dose (mg/kg/day) Average Concentration (ppm) Estimated Exposure Dose (mg/kg/day)
Adult Child Adult Child
1 - North LIA 3.8 0.0025 0.0054 9.9 0.0064 0.0140
2 - South LIA 1.3 0.0008 0.0018 5.3 0.0034 0.0075
3 - Esperanza 4.4 0.0029 0.0062 8.3 0.0054 0.0118
4 - Isabel Segunda 1.9 0.0012 0.0027 NS NS NS
5 - Fish Market 8.0 0.0052 0.0114 31.7 0.0206 0.0450
6 - West Vieques 3.9 0.0025 0.0055 2.7 0.0018 0.0038
All Locations 4.0 0.0026 0.0057 11.1 0.0072 0.0157

Notes: Averages were calculated using detected values only.

Exposure doses were calculated using 365 days/year for EF in the formula described in the Deriving exposure doses section of this appendix: (Conc. x IR x EF x ED x 0.2) / (BW x AT).

The body metabolizes arsenic into a less harmful form at doses of 0.05 mg/kg/day.

Health effects were reported from exposure to 0.014 mg/kg/day.

Cancer effects were reported from exposures to 0.01-0.05 mg/kg/day.

NS = not sampled

Table D-6.

Inorganic Arsenic Exposure Doses for Species of Shellfish
Species Level of Exposure Average Concentration (ppm) Estimated Exposure Dose (mg/kg/day)
Adult Child
Lobster 7 days/week 32.9 0.0213 0.0467
5 days/week 32.9 0.0152 0.0332
4 days/week 32.9 0.0122 0.0266
2 days/week 32.9 0.0061 0.0133
1 day/week 32.9 0.0030 0.0066
Conch 7 days/week 3.9 0.0025 0.0055
Land Crab 7 days/week 2.6 0.0017 0.0037

Notes: Averages were calculated using detected values only.

Exposure doses were calculated using 365 days/year for EF in the formula described in the Deriving exposure doses section of this appendix: (Conc. x IR x EF x ED x 0.2) / (BW x AT).

The body metabolizes arsenic into a less harmful form at doses of 0.05 mg/kg/day.

Health effects were reported from exposure to 0.014 mg/kg/day.

Cancer effects were reported from exposures to 0.01-0.05 mg/kg/day.

Table D-7.

Cadmium Exposure Doses According to Location
Location Shellfish
Average Concentration (ppm) Estimated Exposure Dose (mg/kg/day)
Adult Child
1 - North LIA 0.34 0.0011 0.0024
2 - South LIA 0.27 0.0009 0.0019
3 - Esperanza 0.49 0.0016 0.0035
4 - Isabel Segunda NS NS NS
5 - Fish Market ND ND ND
6 - West Vieques 0.34 0.0011 0.0024
All Locations 0.36 0.0012 0.0026

Notes: Averages were calculated using detected values only.

Exposure doses were calculated using 365 days/year for EF in the formula described in the Deriving exposure doses section of this appendix: (Conc. x IR x EF x ED) / (BW x AT).

No adverse health effects were reported from exposure to 0.01 mg/kg/day.

Cancer effects were reported from exposure to 3.5 mg/kg/day.

ND = not detected

NS = not sampled


Table D-8.

Chromium Exposure Doses According to Location
Location Fish Shellfish
Average Concentration (ppm) Estimated Exposure Dose (mg/kg/day) Average Concentration (ppm) Estimated Exposure Dose (mg/kg/day)
Adult Child Adult Child
1 - North LIA 0.14 0.0005 0.0010 0.16 0.0005 0.0011
2 - South LIA 0.25 0.0008 0.0018 0.38 0.0012 0.0027
3 - Esperanza 0.23 0.0007 0.0016 0.12 0.0004 0.0009
4 - Isabel Segunda 0.10 0.0003 0.0007 NS NS NS
5 - Fish Market 0.13 0.0004 0.0009 0.13 0.0004 0.0009
6 - West Vieques 0.11 0.0003 0.0008 0.10 0.0003 0.0007
All Locations 0.16 0.0005 0.0011 0.19 0.0006 0.0013

Notes: Averages were calculated using detected values only.

Exposure doses were calculated using 365 days/year for EF in the formula described in the Deriving exposure doses section of this appendix: (Conc. x IR x EF x ED) / (BW x AT).

No adverse health effects were reported from exposure to 2.5 mg/kg/day.

NS = not sampled

Table D-9.

Copper Daily Doses According to Location
Location Fish Shellfish
Average Concentration (ppm) Estimated Daily Dose (mg/day) Average Concentration (ppm) Estimated Daily Dose (mg/day)
Adult Child Adult Child
1 - North LIA 0.45 0.10 0.05 9.5 2.16 1.08
2 - South LIA 0.54 0.12 0.06 10.0 2.27 1.14
3 - Esperanza 0.55 0.12 0.06 3.8 0.86 0.43
4 - Isabel Segunda 0.46 0.10 0.05 NS NS NS
5 - Fish Market 0.92 0.21 0.10 10.4 2.36 1.18
6 - West Vieques 0.44 0.10 0.05 3.2 0.73 0.36
All Locations 0.56 0.13 0.06 7.8 1.77 0.89

Notes: Averages were calculated using detected values only.

Daily doses were calculated using the following formula: Dose = Conc. x IR.

No adverse health effects were reported from exposure to 10 mg/day.

NS = not sampled

Table D-10.

Iron Exposure Doses According to Location
Location Fish Shellfish
Average Concentration (ppm) Estimated Exposure Dose (mg/kg/day) Average Concentration (ppm) Estimated Exposure Dose (mg/kg/day)
Adult Child Adult Child
1 - North LIA 6.4 0.021 0.045 18.0 0.058 0.128
2 - South LIA 10.3 0.033 0.073 52.1 0.169 0.370
3 - Esperanza 4.8 0.016 0.034 1.6 0.005 0.011
4 - Isabel Segunda 1.9 0.006 0.013 NS NS NS
5 - Fish Market 5.0 0.016 0.035 ND ND ND
6 - West Vieques 6.8 0.022 0.048 NA NA NA
All Locations 6.8 0.022 0.048 36.3 0.118 0.258

Notes: Averages were calculated using detected values only.

Exposure doses were calculated using 365 days/year for EF in the formula described in the Deriving exposure doses section of this appendix: (Conc. x IR x EF x ED) / (BW x AT).

No adverse health effects were reported from exposure to 0.15-0.27 mg/kg/day.

NA = not available

ND = not detected

NS = not sampled

Table D-11.

Iron Daily Doses According to Location
Location Fish Shellfish
Average Concentration (ppm) Estimated Daily Dose (mg/day) Average Concentration (ppm) Estimated Daily Dose (mg/day)
Adult Child Adult Child
1 - North LIA 6.4 1.5 0.7 18.0 4.1 2.0
2 - South LIA 10.3 2.3 1.2 52.1 11.8 5.9
3 - Esperanza 4.8 1.1 0.5 1.6 0.4 0.2
4 - Isabel Segunda 1.9 0.4 0.2 NS NS NS
5 - Fish Market 5.0 1.1 0.6 ND ND ND
6 - West Vieques 6.8 1.5 0.8 NA NA NA
All Locations 6.8 1.5 0.8 36.3 8.2 4.1

Notes: Averages were calculated using detected values only.

Daily doses were calculated using the following formula: Dose = Conc. x IR.

Childhood poisoning was reported from exposure to 200 mg/event.

NA = not available

ND = not detected

NS = not sampled

Table D-12.

Lead Exposure Doses According to Location
Location Fish Shellfish
Average Concentration (ppm) Estimated Exposure Dose (mg/kg/day) Average Concentration (ppm) Estimated Exposure Dose (mg/kg/day)
Adult Child Adult Child
1 - North LIA 1.06 0.0034 0.0075 ND ND ND
2 - South LIA 0.23 0.0007 0.0016 0.27 0.0009 0.0019
3 - Esperanza 0.21 0.0007 0.0015 0.18 0.0006 0.0013
4 - Isabel Segunda 0.17 0.0006 0.0012 NS NS NS
5 - Fish Market 0.24 0.0008 0.0017 0.20 0.0006 0.0014
6 - West Vieques ND ND ND ND ND ND
All Locations 0.27 0.0009 0.0019 0.25 0.0008 0.0018

Notes: Averages were calculated using detected values only.

Exposure doses were calculated using 365 days/year for EF in the formula described in the Deriving exposure doses section of this appendix: (Conc. x IR x EF x ED) / (BW x AT).

No adverse health effects were reported from exposure to 0.57-27 mg/kg/day.

Cancer health effects were reported from exposure to 27 to 371 mg/kg/day.

ND = not detected

NS = not sampled

Table D-13.

Blood Lead Levels According to Location
Location Fish Shellfish
Average Concentration (ppm) Estimated Blood Lead Level (mg/dl) Average Concentration (ppm) Estimated Blood Lead Level (mg/dl)
1 - North LIA 1.06 0.25 ND ND
2 - South LIA 0.23 0.06 0.27 0.06
3 - Esperanza 0.21 0.05 0.18 0.04
4 - Isabel Segunda 0.17 0.04 NS NS
5 - Fish Market 0.24 0.06 0.20 0.05
6 - West Vieques ND ND ND ND
All Locations 0.27 0.06 0.25 0.06

Notes: Averages were calculated using detected values only.

Blood lead levels were calculated by multiplying the concentration by a media-specific slope factor (0.24 mg/dl per ppm) as described in the Using other methods to evaluate potential health hazards section of this appendix.

CDC's blood lead level of concern is 10 mg/dl.

ND = not detected

NS = not sampled


 
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