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

PUBLIC HEALTH ASSESSMENT

CAL WEST METALS (USSBA)
LEMITAR, SOCORRO COUNTY, NEW MEXICO


TABLES



Table 1.

HOUSING DATA TABLE

Lemitar AreaSocorro County
Households*Persons perhousehold76

2.65

5,217

2.75

% Households
owner-occupiedHouseholds
renter-occupied
81.6


19.4

68.7


31.3

% Persons in
group quarters
0.02.9
Mean value,
owner-occupied
households, $

Mean rent paid,
renter-occupied
households, $

53,460



264

56,800



227

* A household is an occupied housing unit, but does not include group quarters such as military barracks, prisons, and college dormitories.

Source: 1990 Census of Population and Housing, Summary Tape File 1B Extract on CD-ROM(New Mexico) [machine-readable data files]. Prepared by the Bureau of the Census. Washington, DC: The Bureau [producer and distributor], 1991.




Table 2.

POPULATION DATA TABLE

Lemitar AreaSocorro County
Total persons20114,764
% White

% Black

% American Indian,
Eskimo, or Aleut

% Asian or Pacific
Islander

% Other races

98.5

0.5

0.0


0.0


1.0

77.4

0.8

10.1


1.4


10.3

% Hispanic origin65.747.8
% Under age 18% Age 65 and older27.9

13.9

30.3

10.4

Source: 1990 Census of Population and Housing, Summary Tape File 1B Extract on CD-ROM(New Mexico) [machine-readable data files]. Prepared by the Bureau of the Census. Washington, DC: The Bureau [producer and distributor], 1991.




Table 3.

CONTAMINANTS IN ON-SITE SOILS AND SEDIMENTS
ContaminantSurfacesoilSedimentsComparison values
BatteryandsludgePondTrenchConcentrationReferences
Metals (ppm)
Antimony1011160581NA300RMEG
Arsenic32240250704200RMEG
Lead7690836,000421,00051,100NA
Semi-volatile organic compounds (ppm)
Benz(a)anthraceneND4.8NDNANA
Benzo(a)pyreneND2.8NDNANA
Benzo(b)fluorantheneND4.7NDNANA
    NA - Not Available
    ND - Not Detected




Table 4.

POTENTIAL EXPOSURE PATHWAYS
Pathwayname
Time
SourceCOCsMediaPointofexposureRouteofexposureExposedpopulation
TrespassingOn-sitewastepiles,metals,PAHs,chemicals inbuildingsOn-sitemetalsWastepiles,ponds,surfacesoilsDirectcontactwithcontami-natedmediaDermal,inhalation,ingestionTrespassersPast,present,andfuture
LaboratorychemicalsChemicals inbuilding
Off-sitesurfacesoilsLeadSurface soil,off-site sedimentsin drainageDrainareas ofarroyos,surfacesoilsoff-siteDermal,inhalation, andingestionResidentsof thearea,especiallychildrenplayingin thesoilPast,present,andfuture



FIGURES


FIGURE 1: LOCATIONS OF SOCORRO COUNTY,
NEW MEXICO AND THE CAL-WEST METALS SITE.



FIGURE 2: CAL-WEST MONITORING WELL LOCATIONS



FIGURE 3: GRID LAYOUT AND FPXRF LOCATIONS



FIGURE 4: CAL-WEST LEAD CONCENTRATION ISOPLETHS (PPM)



FIGURE 5: DRAINAGE PATHWAYS SAMPLE LOCATIONS



FIGURE 6: LOCATIONS OF DOMESTIC WELLS SAMPLED
DURING THE PHASE II FIELD INVESTIGATION



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. #