TABLE OF CONTENTS (Continued)

Section

Page

CHAPTER FIVE: DETECTION MONITORING SYSTEM DESIGN . . . . . . . . .

5 1

5.1

Ground Water Monitoring in Aquifers Dominated by

Ground Water Flow Through Porous Media . . . . . . . . . . . . . . . . . .

5 1

5.1.1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 1

5.1.2

Placement of Point of Compliance Monitoring Wells . . . .

5 2

5.1.2.1

Location of Wells Relative to Waste

Management Areas . . . . . . . . . . . . . . . . . . . .

5 2

5.1.2.2

Lateral Placement of Point of Compliance

Monitoring Wells . . . . . . . . . . . . . . . . . . . . .

5 4

5.1.2.3

Vertical Placement and Screen Lengths . . . . . .

5 5

5.1.2.4

Vadose Zone Monitoring . . . . . . . . . . . . . . . .

5 8

5.1.3

Placement of Background (Upgradient) Monitoring

Wells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 10

5.2

Ground Water Monitoring in Aquifers Dominated by

Conduit Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 12

5.2.1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 12

5.2.2

Using Springs as Monitoring Sites in Aquifers

Dominated by Conduit Flow . . . . . . . . . . . . . . . . . . . . .

5 13

5.2.3

Using Wells as Monitoring Sites in Aquifers

Dominated by Conduit Flow . . . . . . . . . . . . . . . . . . . . .

5 14

5.2.4

Tracing to Identify Monitoring Sites in Aquifers

Dominated by Conduit Flow . . . . . . . . . . . . . . . . . . . . .

5 16

5.2.5

Sampling Frequency in Aquifers Dominated by

Conduit Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 18

5.2.6

Fracture Trace Analysis . . . . . . . . . . . . . . . . . . . . . . . . .

5 20

November 1992

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