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1. ATSDR > Public Health Assessments & Consultations

PUBLIC HEALTH ASSESSMENT

ROCKWOOL INDUSTRIES
BELTON, BELL COUNTY, TEXAS

APPENDICES

APPENDIX A - Acronyms

APPENDIX B - Figures

Figure 1. Demographic Statistics

Figure 2. Detailed Site Map

APPENDIX C - Tables

Table 1. Rockwool Industries, Inc. March 13-16, 1996 Soil Sampling Data (On-and Off-Site)

Constituent	Sample ID	Max. Conc. (mg/kg)	Background (SO1, SO2, SO3) (mg/kg)	Health-based Comparison Value (mg/kg)
Volatile Organic Compounds All non detect except: Chloroform Xylenes Semi-volatile Organic Compounds All non-detect except: Bis-2(ethylhexyl)phthalate Fluoranthene Pyrene Benzo(a)anthracene Chrysene Benzo(b)fluoranthene Benzo(k)fluoranthene Benzo(a)pyrene Benzo(g,h,i)perylene Indeno(1,2,3)pyrene Pesticides/PCBs All non-detect except: delta-BHC gamma-BHC 4,4' DDD 4,4' DDE 4,4' DDT Dieldrin alpha-chlordane gamma-chlordane Endrin Methoxychlor Endrin aldehyde Endosulfan I Heptachlor Heptachlor epoxide Aldrin Toxaphene Endosulfan II Arochlor-1260	SO15 SO5 SO14 SO4 SO4 SO4 SO4 SO4 SO4 SO4 SO4 SO4 SO7 SO7 SO4 SO5 SO5 SO4 SO14 SO14 SO7 SO4 SO7 SO7 SO6 SO6 SO4 SO14 SO5 SO10	0.001J 0.004J 0.080J 0.084J 0.075J 0.052J 0.072J 0.130J 0.140J 0.048J 0.056J 0.056J 0.00026J 0.00016J 0.00057J 0.00038J 0.0015J 0.0017J 0.0017J 0.0025J 0.0013J 0.0030J 0.00091J 0.00057J 0.00014J 0.00026J 0.000083J 0.100J 0.000079J 0.0072J	BDL BDL 0.038J (SO2) BDL BDL BDL BDL BDL BDL BDL BDL BDL 0.00034J (SO3) BDL BDL 0.00032J (SO2) BDL BDL BDL BDL 0.00027J (SO1) 0.0025J (SO2) 0.00028J (SO3) 0.00056J (SO3) BDL BDL BDL BDL BDL BDL	500/700RMEGc/a; 100CREG B2 10000/100000 intEMEGc/a 1000/10000RMEGc/a; 50 CREG B2 2000/30000RMEGc/a 2000/20000RMEGc/a B2 B2 B2 B2 0.1CREG B2 n/a B2 0.4CREG B2 2/30intEMEG 3CREG B2 2CREG B2 30/400RMEG; 2CREG B2 3/40chrEMEG; 0.04CREG B2 3/40RMEG; 0.5CREG B2 3/40RMEG; 0.5CREG B2 20/200RMEG 300/4000RMEG 20/200RMEG (used endrin) 100/1000chrEMEG used endosulfan 30/400RMEG; 0.2CREG B2 0.7/9RMEG; 0.8CREG B2 2/20chrEMEG; 0.04CREG B2 50/700intEMEG; 0.6CREG B2 100/1000chrEMEG used endosulfan 1/10chrEMEG; 0.4CREG B2
Metals (mg/kg) Aluminum Antimony* Arsenic Barium Beryllium Cadmium Chromium Cobalt Copper Iron Lead Manganese Mercury Nickel Selenium Silver Thallium Vanadium Zinc Cyanide	SO15 SO13 SO15 SO5 SO15 SO15 SO5 SO15 SO15 SO5 SO5 SO15 SO14 SO15 SO6 SO6 SO8 SO5 SO15 SO8	43,400 977 337 1,060 2.8 1.2 239 133 1,880 122,000 930Jv 2,780 0.34 145 7.3 5.4 BDL 1.9U 161 6,240 BDL 0.43U	12,300-24,300 3.4L-4.7L 7.1-8.8 47.9-73.3 0.62L-0.95L BDL 0.22U 12.5-21.5 2.9L-5.2L 13.1-13.7 9,110-15,000 27.7Jv-35.1Jv 242-375 BDL 0.11U 8L-12.2 BDL 0.7U BDL (0.46U)-0.63L BDL 1.7U 18.6-32.7 77.3-82.3 BDL 0.37U	n/a 20/300RMEG 20/200chrEMEG;0.5CREG A 4000/50000RMEG 300/4000RMEG; 0.2CREG B2 40/500 chrEMEG 50000/100000RMEG** n/a n/a n/a B2 (400-500 EPA Action Level) 300/4000RMEG 100/1000intEMEG 1000/10000RMEG 100/1000chrEMEG 300/4000RMEG 4/60RMEG 200/2000intEMEG 20000/200000chrEMEG 2000/30000RMEG

*Bolded constituent names and bolded values exceed health assessment comparison values and therefore warrant further evaluation
**RMEG Reference dose based media evaluation guide for chromium VI form of chromium

Table 2. Rockwool Industries, Inc.Nolan Creek Sediment Sampling Data, March 13-16, 1996

Constituent	Max. Conc. Sample Identification	Max. Conc. (mg/kg)	Background Samples (SE13, SE14) (mg/kg)	Health-based Comparison Value (mg/kg)
Volatile Organic Compounds All non detect except: Methylene chloride Semi-volatile Organic Compounds All non-detect except: Phenol 4-Methylphenol Di-n-butylphthalate Bis-2(ethylhexyl)phthalate Fluoranthene Pyrene Benzo(a)anthracene Chrysene Benzo(b)fluoranthene Benzo(k)fluoranthene Benzo(a)pyrene* Benzo(g,h,i)perylene Pesticides/PCBs All non-detect except: beta-BHC delta-BHC 4,4' DDD 4,4' DDE 4,4' DDT alpha-chlordane gamma-chlordane Methoxychlor Endrin aldehyde Endosulfan Heptachlor Endosulfan sulfate	SE19 SE19 SE17 SE17 SE17 SE19 SE19 SE19 SE19 SE19 SE19 SE19 N/A SE19 SE17 SE19 SE15 SE15 SE19 SE19 SE17 SE17 SE16 N/A SE19	0.023UJ 0.410J 6.600 0.100J 0.220J 0.220J 0.190J 0.120J 0.160J 0.310J 0.330J 0.150J BDL 0.00087J 0.00025J 0.0017J 0.0014J 0.0017J 0.0017J 0.00051J 0.0034J 0.00079J 0.00039J BDL 0.035J	BDL BDL BDL BDL 0.100J (SE14) 0.100J (SE14) 0.086J (SE14) 0.053J (SE14) 0.065J (SE14) 0.150J (SE14) 0.130J (SE14) 0.058J (SE14 0.058J (SE14) BDL 0.000087J (SE13) BD 0.00039J (SE14) 0.00056J (SE14) 0.00051J(SE14) 0.00044J (SE13) BDL 0.00036J (SE13) BDL 0.00015J (SE13) 0.0027J (SE14)	3000/40000chrEMEG; 90CREG B2 30000/400000RMEG 30000/400000RMEG 5000/70000RMEG 1000/10000RMEG; 50CREG B2 2000/30000RMEG 2000/20000RMEG B2 B2 B2 B2 0.1CREG B2 n/a 20/200intEMEG; 0.4CREG C 0.4CREG B2 3CREG B2 2CREG B2 30/400RMEG; 2CREG B2 3/40RMEG; 0.5CREG B2 3/40RMEG; 0.5CREG B2 300/4000RMEG 20/200RMEG 100/1000chrEMEG 30/400RMEG; 0.2CREG B2 100/1000chrEMEG
Metals (mg/kg) Aluminum Antimony Arsenic* Barium Beryllium Cadmium Chromium Cobalt Copper Iron Lead Manganese Mercury Nickel Selenium Silver Thallium Vanadium Zinc Cyanide	SE19 SE15 SE17 SE17 SE15 SE15 SE15 SE15 SE15 SE15 SE15 SE17 SE18 SE17 SE15 SE17 SE17 SE15 SE15 SE17	11,600 2.0L 29.6 147 0.52L 0.54L 24.4 10.5L 104 17,000 204 424 0.29 51.2 3.4 16.1 BDL 32.2 1,020Jv BDL	1,550 - 2,890 BDL (0.9U) 3.2-5.4 19.6L-24.5L BDL - 0.28L BDL (0.22U) 3.8-5 1.2L-1.5L 3.6L-4.2L 3,660-5,520 4.9Jv-8Jv 141-149 BDL (0.11U) 2.8L-3.5L BDL 1.0L-1.3L BDL (1.8U) 10.7L-17.7 36.6-44.6 BDL (0.4U)	n/a 20/300RMEG 20/200chrEMEG;0.5CREG A 4000/50000RMEG 300/4000RMEG; 0.2CREG B2 40/500 chrEMEG 50000/100000RMEG** n/a n/a n/a B2 (400-500 EPA Action Level) 300/4000RMEG 100/1000intEMEG 1000/10000RMEG 100/1000chrEMEG 300/4000RMEG 4/60RMEG 200/2000intEMEG 20000/200000chrEMEG 2000/30000RMEG

*Bolded constituent names and bolded values exceed health assessment comparison values and therefore warrant further evaluation
mg/kg- milligram per kilogram
BDL- below detection limit
L- reported concentration is between the instrument detection limit and the contract required detection limit
U- undetected at the laboratory reported detection limit
Jv- result is estimated with a negative bias
Includes evaluation of samples SE13, SE14, SE15, SE16, SE17, SE18, SE19
n/a - none available
RMEG - Reference Dose-based Media Evaluation Guide
chrEMEG - chronic Environmental Media Evaluation Guide
intEMEG - intermediate Environmental media Evaluation Guide
CREG - Cancer Risk Evaluation Guide
**300/4000RMEG Reference dose based media evaluation guide for chromium VI form of chromium

Table 3. Rockwool Industries, Inc. Leon River Sediment Sampling Data March 13-16, 1996

Constituent	Max. Conc. Sample Identification	Max. Conc. (mg/kg)	Background Samples (SE1, SE2, SE3) (mg/kg)	Health-based Comparison Value (mg/kg)
Volatile Organic Compounds All non detect except: Methylene chloride Acetone Semi-volatile Organic Compounds All non-detect except: Fluoranthene Pyrene Pesticides/PCBs All non-detect except: alpha-BHC Dieldrin 4,4' DDD 4,4' DDE 4,4' DDT alpha-chlordane gamma-chlordane Endrin aldehyde Endosulfan II Endrin ketone Endosulfan sulfate Arochlor-1254	SE8 SE11 SE10 SE10 SE12 SE11 SE12 SE5 SE5 SE11 N/A SE12 SE11 SE8 SE11 SE10	0.026UJ 0.037J^ 0.040J 0.030J 0.00058J 0.0014J 0.00046J 0.0015J 0.0026J 0.00088J BDL 0.00061J 0.00047J 0.0018J 0.00062J 0.038UJv	0.014UJ (SE3) 0.017 (SE3) BDL BDL BDL 0.0031J (SE1) BDL BDL BDL 0.00025J (SE2) 0.00034J (SE1) BDL BDL BDL BDL BDL	3000/40000chrEMEG; 90CREG B2 5000/70000RMEG 2000/30000RMEG 2000/20000RMEG 0.1CREG B2 3/40chrEMEG;0.04CREG B2 3CREG B2 2CREG B2 30/400RMEG; 2CREG B2 3/40RMEG; 0.5CREG B2 3/40RMEG; 0.5CREG B2 20/200RMEG (used Endrin) 100/1000chrEMEG used Endosulfan 20/200RMEG (used Endrin) 100/1000chrEMEG used endosulfan 1/10RMEG
Metals (mg/kg) Aluminum Antimony* Arsenic Barium Beryllium Cadmium Chromium Cobalt Copper Iron Lead Manganese Mercury Nickel Selenium Silver Thallium Vanadium Zinc Cyanide	SE8 SE8 SE11 SE8 SE7 SE12 SE8 SEI SEI SEI SEI SEI SE5 SE8 SE5 SE8 SE10 SE8 SE8 SE5	32,900 59.9 143 803 0.98L 0.31L 186 141 1,170 108,000 706 2,660 BDL 157 5.2 1.9L 2.3L 135 5,650Jv BDL	1,440-6,570 BDL-4.5L 4.5-43.9 32.8L-45.8L BDL (0.24U) BDL-0.77L 4.6-8.9 1.9L-3.1L 7.1-10.3 4,030-22,300 14.4-52.4 249-439 BDL (0.11U) 4.1L-10.5 BDL (1.3U) BDL (0.48U) BDL (1.9U) 10.7L-24.1 40.3Jv-204Jv BDL (0.43U)	n/a 20/300RMEG 20/200chrEMEG;0.5CREG A 4000/50000RMEG 300/4000RMEG; 0.2CREG B2 40/500 chrEMEG 50000/100000RMEG* n/a n/a n/a B2 (400-500 EPA Action Level) 300/4000RMEG 100/1000intEMEG 1000/10000RMEG 100/1000chrEMEG 300/4000RMEG 4/60RMEG 200/2000intEMEG 20000/200000chrEMEG 2000/30000RMEG

*Bolded constituent names and bolded values exceed health assessment comparison values and therefore warrant further evaluation

Table 4. Rockwool Industries, Inc. Groundwater Sampling Data March 13-16, 1996

Constituent	Max. Conc. Sample Identification	Max. Conc. (µg/L)	Background Sample (MW8) (µg/L)	Health-based Comparison Value (µg/L)
Volatile Organic Compounds All non detect Semi-volatile Organic Compounds All non-detect except: Pentachlorophenol* Pesticides/PCBs All non-detect	GW6	41J	BDL	1MCL;10/40intEMEG;0.3CREG B2
Metals (µg/L) Aluminum Antimony Arsenic Barium Beryllium Cadmium Chromium Cobalt Copper Iron Lead Manganese Mercury Nickel Selenium Silver Thallium Vanadium Zinc Cyanide	GW5(MW36-90) GW6(MW34-90) GW5(MW36-90) GW5(MW36-90) GW4(MW-15) GW4(MW-15) GW5(MW36-90) GW5(MW36-90) GW5(MW36-90) GW7(MW34-90) GW5(MW36-90) GW5(MW36-90) GW4(MW-15) GW6(MW34-90) GW4(MW-15) GW4(MW-15) GW4(MW-15) GW7(MW34-90) GW5(MW36-90) GW5(MW36-90)	5,360 559 2,290 254 BDL BDL 9.3L 8.5L 14.1L 11,600J 26.8 1,050 BDL 12.3L 186 BDL BDL 42.5L 4,590 BDL	162LUC 9.9L BDL 60.2U BDL BDL BDL BDL BDL 397 BDL 70.2 BDL BDL BDL BDL BDL BDL 44.4 Not analyzed	n/a 6MCL;4/10RMEG;3LTHA;10CLHA 50MCL;3/10chrEMEG;0.02CREGA 2000MCL;700/2000RMEG 4MCL;50/200RMEG;0.008CREGB2 5MCL;5/20RMEG;5LTHAB1 100MCL;50/200RMEG A n/a 1300MCLG n/a 15EPA Action Level; 0MCLG 50/200RMEG 2MCL;20/70intEMEG; 2LTHA 100MCL;200/700RMEG;100LTHA 50MCL;20/70chrEMEG 50/200RMEG;100LTHA 2MCL;0.8/3RMEG; 0.4LTHA 30/100intEMEG 3000/10000chrEMEG;2000LTHA 200MCL;200/700RMEG; 200LTHA

*Bolded constituent names and bolded values exceed health assessment comparison values and therefore warrant further evaluation

Table 5. Exposure Pathways

Pathway Name	Contaminants of Concern	Source	Transport Media	Point of Exposure	Route of Exposure	Exposed Population	Time	Comments
Indeterminate Public Health Hazard Pathway
Foodchain	Selenium	Site Operations	Groundwater Sediment Fish	Off-site	Ingestion	People who eat fish from Leon River and Nolan Creek	Past Present Future	Data inadequate to assess the extent and magnitude of possible past or present exposures. Foodchain considered an indeterminate public health hazard because of limited information.
No Apparent Public Health Hazard Pathway
Soil	Arsenic Antimony Beryllium Lead Manganese	Evaporation Lagoon Shot Piles Water Run- off	Soil	North Shot Pile Cemetery Shot Pile South Shot Pile Cosper Property	Ingestion	Trespassers Workers	Past Present Future	Frequency, intensity, and duration of possible exposures considered inadequate to result in exposure above levels of health concern. Soil considered to present no apparent public health hazard.
Surface Water	Benzene	Shot Piles Evaporation Lagoon	Surface Water	Nolan Creek	Ingestion Dermal Contact	Local Area residents	Past Present Future	Frequency, intensity, and duration of possible exposures considered inadequate to result in exposure above levels of health concern. Surface water considered to present no apparent public health hazard.
Sediment	Benzo[a]pyrene Arsenic Beryllium Manganese	Shot Piles	Leachate	Leon River Nolan Creek	Ingestion Dermal Contact	Local Area Residents	Past Present Future	Frequency, intensity, and duration of possible exposures considered inadequate to result in exposure above levels of health concern. Sediment considered to present no apparent public health hazard.
No Public Health Hazard Pathway
Groundwater	Pentachlorophenol Antimony Arsenic Lead Manganese Selenium Vanadium Zinc	Infiltration from Shot Piles and Evaporation Lagoon	Groundwater	None Identified	None Identified	None Identified	Future ?	We were not able to identify any evidence of past or current human exposure to contaminated groundwater. Groundwater considered to present no public health hazard at this time.

Agency for Toxic Substances and Disease Registry Public Health Conclusion Categories

CATEGORY A. URGENT PUBLIC HEALTH HAZARD This category is used for sites that pose an urgent public health hazard as the result of short-term exposures to hazardous substances. Criteria: Evidence exists that exposures have occurred, are occurring, or are likely to occur in the future; and the estimated exposures are to a substance or substances at concentrations in the environment that, upon short-term exposures (less than 1 year), can cause adverse health effects to any segment of the receptor population. The adverse health effect can be the result of either carcinogenic or noncarcinogenic toxicity from a chemical exposure. For a noncarcinogenic toxic effect, the exposure exceeds an acute or intermediate minimal risk level (MRL) established in the ATSDR Toxicological Profiles or other comparable value; and /or community-specific health outcome data indicate that the site has had an adverse impact on human health that requires rapid intervention; and /or physical hazards at the site pose an imminent risk of physical injury.

CATEGORY B. PUBLIC HEALTH HAZARD This category is used for sites that pose a public health hazard as the result of long-term exposures to hazardous substances. Criteria: Evidence exists that exposures have occurred, are occurring, or are likely to occur in the future; and the estimated exposures are to a substance or substances at concentrations in the environment that, upon long-term exposures (greater than 1 year), can cause adverse health effects to any segment of the receptor population. The adverse health effect can be the result of either carcinogenic or noncarcinogenic toxicity from a chemical exposure. For a noncarcinogenic toxic effect, the exposure exceeds a chronic MRL established in the ATSDR Toxicological Profiles or other comparable value; and/or community-specific health outcome data indicate that the site has had an adverse impact on human health that requires intervention.

CATEGORY C. INDETERMINATE PUBLIC HEALTH HAZARD This category is used for sites with incomplete information. Criteria: The limited available data do not indicate that humans are being or have been exposed to levels of contamination that would be expected to cause adverse health effects. However, data or information are not available for all environmental media to which humans may be exposed; and there are insufficient or no community-specific health outcome data to indicate that the site has had an adverse impact on human health.

CATEGORY D. NO APPARENT PUBLIC HEALTH HAZARD This category is used for sites where human exposure to contaminated media is occurring or has occurred in the past, but the exposure is below a level of health hazard. Criteria: Exposures do not exceed an ATSDR chronic MRL or other comparable value; and data are available for all environmental media to which humans are being exposed; and there are no community-specific health outcome data to indicate that the site has had an adverse impact on human health.

CATEGORY E. NO PUBLIC HEALTH HAZARD This category is used for sites that do not pose a public health hazard. Criteria: There is no evidence of current or past human exposure to contaminated media; and future exposures to contaminated media are not likely to occur; and there are no community-specific health outcome data to indicate that the site has had an adverse impact on human health.

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