Water Quality Monitoring Report - Noosa Civic - November 2009-2010 - Eenie Creek Rd NOOSAVILLE · 132002.220285

Page                            2 of 8
Work Order                      EB1003772
Client                          DUKE ENVIRONMENTAL
Project                         DE0923                                                                                                                                                                                          ALS
Analysis Holding Time Compliance
The following report summarises extraction / preparation and analysis limes and compares with recommended holding times. Dates reported represent first date of extraction or analysis and precludes subsequent
dilutions and reruns. Information is also provided re the sample container (preservative) from which the analysis aliquot was taken. Elapsed period to analysis represents number of days from sampling where no

extraction . digestion is involved or period from extraction / digestion where this is present. For composite samples, sampling date is assumed to be that of the oldest sample contributing to the composite.
                                                                                                                                                                                                    Sample date
for laboratory produced leachates is assumed as the completion date of the leaching process. Outliers for holding time are based on USEPA SW 846. APHA, AS and NEPM (1999), A listing of breaches is provided in
the Summary of Outliers.

Holding times for leachate methods (excluding etutriates) vary according to the anatytes being determined on the resulting solution. For non -volatile analyles. the holding time compliance assessment compares the
leach date with the shortest analyte holding time for the equivalent soil method. These soil holding times are: Organics (14 days); Mercury (28 days) & other metals (180 days). A recorded breach therefore does not
guarantee a breach for all non-volatile parameters.

Willi.    WATER                                                                                                                                                             Evaluation: x = Holding time breach ; - = Within holding time-
Method                                                 5                                                            Sample Date                 Extraction /Preparation                 l                    Analvsia

                                                                                                                                   Dare extracted   Due for extraction I   Evaluation   :
                                                                                                                                                                                            Date analysed   Due to analysis i   Evaluation

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   BR 1 /2A,                                            BR1+'2B,                                                  02-MAR-2010                                                               08-MAR-2010     29-AUG-2010
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   BR 112A,                                             BR128,                                                    02-MAR-2010                                                               09-MAR-2010     30-MAR-2010
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   BR1/2A,                                              BR1!2B,                                                   02-MAR-2010           -                  --                 ---           09-MAR-2010     30-MAR-2010
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  BR1!2A.                                                                                                                                                                                   09-MAR-2010     30-MAR-2010
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