TABLE OF CONTENTS (Continued)

Section

Page

7.6

Chain of Custody and Records Management . . . . . . . . . . . . . . . . . .

7 25

7.6.1

Sample Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 25

7.6.2

Sample Custody Seal . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 26

7.6.3

Field Logbook . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 26

7.6.4

Chain of Custody Record . . . . . . . . . . . . . . . . . . . . . . . .

7 27

7.6.5

Sample Analysis Request Sheet . . . . . . . . . . . . . . . . . . .

7 28

7.6.6

Laboratory Logbook . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 29

7.7

Analytical Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 29

7.8

Field and Laboratory Quality Assurance/Quality Control . . . . . . . . .

7 30

7.8.1

Field QA/QC Program . . . . . . . . . . . . . . . . . . . . . . . . . .

7 31

7.8.2

Laboratory QA/QC Program . . . . . . . . . . . . . . . . . . . . . .

7 31

7.9

Evaluation of the Quality of Ground Water Data . . . . . . . . . . . . . . .

7 32

November 1992

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