Contents (Cont.) - trel03-10009

B.5 References ............................................................................................ B14

Appendix C: Test Procedures for Surface Runoff Discharges ............................ C1

C.1 Introduction ............................................................................................ C1

C.2 Simplified Laboratory Runoff Procedure for Runoff Quality

Evaluation ............................................................................................... C1

C.2.1 Materials and apparatus ................................................................ C2

C.2.2 Procedure ...................................................................................... C3

C.3 Rainfall Simulator/Lysimeter System (RSLS) Procedure for Evaluation of

Surface Runoff Quality........................................................................... C6

C.3.1 Materials and apparatus ................................................................ C6

C.3.2 Sediment characterization ............................................................. C8

C.3.3 RSLS procedure ............................................................................ C8

C.3.4 Characterization of runoff samples and preparation for analysis... C8

C.3.5 Other analyses of runoff water ...................................................... C9

C.3.6 Interpretation of results ................................................................. C9

C.4 Runoff Toxicity Evaluation .................................................................... C9

C.4.1 Runoff water preparation for water column toxicity test ............. C10

C.4.2 Apparatus .................................................................................... C10

C.4.3 Test procedure............................................................................. C10

C.4.4 LAT-R computer-assisted runoff toxicity evaluation .................. C11

C.5 References ............................................................................................ C11

Appendix D: Leachate Testing Procedures.........................................................D1

D.1 Introduction ............................................................................................D1

D.2 Theoretical Basis and Considerations for Testing ..................................D1

D.2.1 Equilibrium Assumption ...............................................................D1

D.2.2 Equilibrium-controlled desorption in a CDF ................................D4

D.2.3 Oxidation status of sediment.........................................................D5

D.2.4 Ionic Strength................................................................................D5

D.2.5 Considerations in Test Selection and Test Conditions ..................D8

D.3 Sequential Batch Leach Test (SBLT) for Freshwater Sediments ...........D9

D.3.1 Materials and apparatus ..............................................................D10

D.3.2 Procedure ....................................................................................D11

D.3.3 Data presentation ........................................................................D12

D.4 Pancake Column Leach Test for Estuarine Sediments .........................D13

D.4.1 Column materials and apparatus .................................................D13

D.4.2 Column Preparation Procedure ...................................................D15

D.4.3 Collection and preservation of column leachate samples for

total metal, chloride ion, total organic carbon, pH, and electrical

conductivity analyses .....................................................................D16

D.4.4 Collection and preservation of column leachate samples for

analysis of organic constituents ......................................................D19

D.5 References ............................................................................................D21

Appendix E: Evaluation of Mixing in Surface Waters ....................................... E1

E.1 Introduction ............................................................................................ E1

E.1.1 Background ................................................................................... E1

E.1.2 Regulatory considerations ............................................................. E2

E.1.3 Potential applications of initial mixing.......................................... E2

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