Question

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1. What is superfund?
   
2. How many superfund sites in Mississippi? List them!
3. The identification of a site for the NPL is intended primarily to guide EPA in…?
4. How many NPL sites in Mississippi? List them!
5. What is HRS and what are four pathways can be scored under the HRS?E

Answer 1

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SUPERFUND:Term used informally for CERCLA Comprehensive Environmental Response, Compensation, and Liability Act . cleanup of contaminated sites are allowed under EPA. It has also has power to enforce law On parties responsible for contamination either to ask them to clean it up or reimburse government for cleaning up work led by EPA.

superfund sites in mississippi : TOTAL 12

1: AMERICAN CREOSOTE WORKS INC

2:CHEMFAX INC

3:DAVIS TIMBER COMPANY

4:FLOWOOD SITE

5:NEWSOM BROTHERS/OLD REICHHOLD CHEMICALS INC

6:PICAYUNE WOOD TREATING

7:POTTER CO.

8:SONFORD PRODUCTS

9:WALCOTTE CHEMICAL CO. WAREHOUSES

10:KEER-MCGEE CHEMICAL CORP

11:RED PANTHER CHEMICALCOMPANY

12:SOUTHEASTERN WOOD PRESERVING

THE IDENTIFICATION OF SITE UNDER NPL IS PRIMARILY FOR:

TO DETERMINE SITES WHICH ARE SO CONTAMINATED SO FURTHER INVESTIGATION HENCE WARRANT ISSUED AND FURTHER PROVIDE SIGNIFICANT CLEANUP .

NPL sites in Mississippi: TOTAL 9

1: AMERICAN CREOSOTE WORKS INC

2:CHEMFAX INC

3:DAVIS TIMBER COMPANY

4:KEER-MCGEE CHEMICAL CORP

5:PICAYUNE WOOD TREATING

6:POTTER CO.

7:RED PANTHER CHEMICALCOMPANY

8:SONFORD PRODUCTS

9:SOUTHEASTERN WOOD PRESERVING

HRS IS HAZARD RANKING SYSTEM IT IS THE PRINCIPAL MECHANISM WHICH IS USED BY EPA TO PLACE THE WASTE SITES WHICH ARE UNCONTROLLABLE  IN NATIONAL PRIORITY LIST .

THIS IS NUMERICAL BASED SCREENING SYSTEM WHICH USES INFORMATION FROM INTIAL AND LIMITED INVESTIGATION AS WELL AS PRELIMINARY INVESTIGATION AS WELL AS SITE INSPECTIONS TO FIND THE POTENTIALTHREAT IT POSES TO ENVIRONMENT AND HUMANS.

FOUR PATHWAYS THAT CAN BE SCORED UNDER HRS ARE:

1:GROUND WATER MIGRATION(DRINKING WATER)

2:SURFACE WATER MIGRATION(DRINKING WATER ,HUMAN FOOD CHAIN AND SENSITIVE ENVIRONMENT)

3:SOIL EXPOSURE AND SUBSURFACE INTRUSION(POPULATION NEARBY, SENSITIVE ENVIRONMENT,REGULARLY OCCUPIED STRUCTURES)

4: AIR MIGRATION

AFTER WE CALCULATE SCORE FOR PATHWAYS ONE OR MORE THE OVERALL SCORE ARE COMBINED USING ROOT MEAN SQUARE EQUATION SOAS TODETERMINE OVERALL SCORE.