Exhibit 6-7. Example HCAS Data Report and WBS Cost Breakdown (cont)

EP 1110-1-19

30 Jun 01

Exhibit 6-7, cont.

Example HCAS Data Report and WBS Cost Breakdown

WBS Number

DESCRIPTION

QTY UOM

UNIT

COST

$

331XX 12

CHEMICAL TREATMENT

Oxidation/Reduction (Catalytic Oxidation, UV Ozone,

12

01

MGA

12

02

Solvent Extraction

MGA

12

03

Chlorination

MGA

12

04

Ozonation

MGA

12

05

Ion Exchange

MGA

12

06

Neutralization

MGA

12

07

Chemical Hydrolysis

MGA

12

08

Ultraviolet Photolysis

MGA

12

09

Dehalogenation (Catalytic Dechlorination)

CY

Alkali Metal Dechlorination

CY

12

10

12

11

Alkali Metal/Polyethylene Glycol (A/PEG)

CY

12

Base-Catalyzed Decomposition Process (BCDP)

CY

Electrolysis

MGA

12

13

12

14

Vapor Recovery/Reuse (Internal Combustion Engine)

CF

12

50

Construction of Permanent Plant Facility

EA

12

9x

Other (Use Numbers 90-99)

13

PHYSICAL TREATMENT

13

01

Filtration/Ultrafiltration

MGA

13

02

Sedimentation

MGA

13

03

Straining

MGA

13

04

Coagulation/Flocculation/Precipitation

MGA

13

05

Equalization

MGA

13

06

Evaporation

MGA

13

07

Air Stripping

MGA

13

08

Steam Stripping

MGA

13

09

Soil Washing (Surfactant/Solvent)

CY

13

10

Soil Flushing (Surfactant/Solvent)

CY

13

11

Solids Dewatering

CY

13

12

Oil/Water Separation

MGA

13

Dissolved Air Floatation

MGA

13

14

Heavy Media Separation

CY

13

15

Distillation

MGA

13

16

Chelation

MGA

13

17

Solvent Extraction

MGA

13

18

Supercritical Extraction

MGA

13

19

Carbon Adsorption - Gases

CF

13

20

Carbon Adsorption - Liquids

MGA

13

21

Membrane Separation - Reverse Osmosis

MGA

Membrane Separation - Electrodialysis

MGA

13

22

13

23

Soil Vapor Extraction

CY

13

24

Shredding

CY

13

25

Aeration

CY

Advanced Electrical Reactor

CY

13

26

13

27

Low Level Waste (LLW) Compaction

CY

13

28

Agglomeration

CY

6-24