Territory Stories

The rum jungle rehabilitation project monitoring report 1993-1998

Details:

Title

The rum jungle rehabilitation project monitoring report 1993-1998

Creator

Pidsley, Sandra

Collection

E-Publications; E-Books; PublicationNT; Report ; 1/2002

Date

2002-07-01

Description

Made available via the Publications (Legal Deposit) Act 2004 (NT).

Notes

Date:2002-07

Language

English

Publisher name

Dept. of Infrastructure, Planning and the Environment

Place of publication

Darwin

Series

Report ; 1/2002

File type

application/pdf.

Copyright owner

Check within Publication or with content Publisher.

Parent handle

https://hdl.handle.net/10070/228349

Citation address

https://hdl.handle.net/10070/674273

Page content

vii LIST OF TABLES TABLE 2.1 OBJECTIVES, RESULTS ACHIEVED, PRIMARY TREATMENTS AND STANDARDS ADOPTED FOR THE RUM JUNGLE REHABILITATION PROJECT................................................................................ 13 TABLE 2.2 TOTAL EXPENDITURE ON MONITORING AND MAINTENANCE AT THE RUM JUNGLE SITE SINCE COMPLETION OF REHABILITATION. ......................................................................................... 16 TABLE 2.3 ORIGINAL COST SHARING ARRANGEMENTS OVER THE FIVE-YEAR MONITORING PERIOD.................. 20 TABLE 3.1 HISTORICAL LOAD DATA (IN T) OF SELECTED POLLUTANTS SOURCED FROM THE RUM JUNGLE REHABILITATED SITE AS MEASURED AT GAUGING STATION GS 81500971. ............................ 41 TABLE 3.2 STATISTICAL DATA OF PH MEASURED AT GS 8150097 DURING PRE- AND POST-REHABILITATION PERIODS CLASSIFIED ACCORDING TO THE MONTH OF SAMPLING......... 45 TABLE 3.3 STATISTICAL ANALYSES OF COPPER CONCENTRATIONS OF WATER SAMPLES FROM GS 8150097 BASED ON THE MONTH OF COLLECTION AND COMPARING PRE- AND POST-REHABILITATION DATA ...................................................................................................................................... 48 TABLE 3.4 COMPARISON OF POLLUTANT LOADS (T) ESTIMATED AT GS 8150097 AND GS 8150204 IN WET SEASONS 1987/1988 AND 1994/1995 ..................................................................................... 56 TABLE 3.5 CHANGE IN WATER QUALITY AT GS 8150204 WITH RESPECT TO COPPER CONCENTRATION (MG/L) BETWEEN THE 1987/1988 AND 1994/1995 WET SEASONS .......................................... 57 TABLE 3.6 COMPARISON OF POLLUTANT CONCENTRATIONS AND LOADS AT DYSONS OPEN CUT LANDFORM DRAIN (GS 8150215) BETWEEN 1986/1987, 1987/1988 AND 1997/1998 ............................... 58 TABLE 3.7 RELATIVE RATIOS IN WATER FLOW, SOLUTE CONCENTRATIONS (MG/L) AND CONDUCTIVITY ( SCM-1) AT GS 8150097 AND GS 8150200 ........................................................................ 61 TABLE 3.8 STATISTICAL RESULTS FROM FIELD AND LABORATORY REPLICATES OF SUB-SAMPLES OF GS-8150097 COMPOSITE SAMPLE COLLECTED ON THE 23/03/99............................................ 70 TABLE 4.1 COMPARISON OF PIT WATER QUALITY PRIOR TO REHABILITATION WITH POST-REHABILITATION AND TARGET PIT WATER QUALITY .......................................................................................... 85 TABLE 4.2 RADIOACTIVITY ANALYSIS RESULTS FROM WHITES AND INTERMEDIATE OPEN CUTS..................... 86 TABLE 4.3 SOLUTE CONCENTRATIONS (MG/L) AND WATER QUALITY PARAMETERS OF WHITES OPEN CUT, APRIL 1998 ............................................................................................................................ 88 TABLE 4.4 SOLUTE CONCENTRATIONS (MG/L) AND WATER QUALITY PARAMETERS OF INTERMEDIATE OPEN CUT, APRIL 1998 .......................................................................................................... 88 TABLE 4.5 PROFILES OF TEMPERATURE, PH, EC25 AND DISSOLVED OXYGEN AT 1M (AND 0.5M) INTERVALS TO A DEPTH OF 35 M TAKEN IN WHITES OPEN CUT IN APRIL 1998 ......................................... 90 TABLE 4.6 PROFILES OF TEMPERATURE, PH, EC25 AND DISSOLVED OXYGEN AT 1M (AND 0.5M) INTERVALS TO A DEPTH OF 35M TAKEN IN INTERMEDIATE OPEN CUT IN APRIL 1998 ............................... 91 TABLE 6.1 POST-REHABILITATION MEASURED INFILTRATION, WICKING AND CALCULATED TOTAL INFILTRATION FOR WHITES HEAP ......................................................................................... 123 TABLE 6.2 OXYGEN CONCENTRATION (IN VOL%) AT THE BASE OF THE COVER ON WHITES HEAP .................. 124 TABLE 6.3 OXYGEN CONCENTRATIONS (IN VOL%) AT THE BASE OF THE COVER ON INTERMEDIATE HEAP ..... 125 TABLE 6.4 AVERAGE OXYGEN CONCENTRATION AT THE BASE OF THE COVER IN THE WET AND DRY SEASONS............................................................................................................................... 126 TABLE 6.5 PRE-REHABILITATION OXIDATION RATES IN WHITES HEAP............................................................ 126 TABLE 6.6 POST-REHABILITATION OXIDATION RATES IN WHITES HEAP.......................................................... 127 TABLE 6.7 PRE-REHABILITATION GORS DUE TO NEAR SURFACE OXIDATION IN INTERMEDIATE HEAP ........... 128 TABLE 6.8 CONTRIBUTION TO THE OVERALL OXIDATION RATE IN INTERMEDIATE BEFORE REHABILITATION OF NEAR SURFACE OXIDATION AND OXIDATION AT DEPTH.................................................... 129 TABLE 6.9 POST-REHABILITATION GORS IN INTERMEDIATE HEAP................................................................. 130 TABLE 6.10 WHITES HEAP OXIDATION RATES FOR A RANGE OF OXYGEN DIFFUSION COEFFICIENTS.................. 131 TABLE 6.11 INTERMEDIATE HEAP OXIDATION RATES FOR A RANGE OF OXYGEN DIFFUSION COEFFICIENTS ...... 131 TABLE 6.12 EFFECTIVE DIFFUSION COEFFICIENT OF THE COVER ON WHITES HEAP........................................... 132 TABLE 6.13 EFFECTIVE DIFFUSION COEFFICIENT OF THE COVER ON INTERMEDIATE HEAP................................ 132


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