6. Noosa River DMP Ver0 (Combined)

Page                    : 25 of 25
Work Order              : EB2201963
Client                  : BMT COMMERCIAL AUSTRALIA PTY LTD
Project                 : A10342 - Noosa SAP

Analytical Methods                                Method     Matrix   Method Descriptions
TKN as N By Discrete Analyser                     EK061G     SOIL     In house: Referenced to APHA 4500-Norg-D Soil samples are digested using Kjeldahl digestion followed by
                                                                      determination by Discrete Analyser.
Total Nitrogen as N (TKN + NOx) By                EK062G     SOIL     In house: Referenced to APHA 4500 Norg/NO3- Total Nitrogen is determined as the sum of TKN and Oxidised
Discrete Analyser                                                     Nitrrogen, each determined seperately as N.
Total Phosporus By Discrete Analyser              EK067G     SOIL     In house: Referenced to APHA 4500 P-B&F This procedure involves sulfuric acid digestion and quantification
                                                                      using Discrete Analyser.
Ammonium in Sediments                           EK255A SD    SOIL     In house: Referenced to Rayment and Lyons Method 7C1 and 7C2. This method measures exchangeable
                                                                      ammonium which is defined by the amount of ammonium released by shaking sediment with an un-buffered 2M
                                                                      potassium chloride solution.
Total Organic Carbon                              EP003      SOIL     In house C-IR17. Dried and pulverised sample is reacted with acid to remove inorganic Carbonates, then
                                                                      combusted in a furnace in the presence of strong oxidants / catalysts. The evolved (Organic) Carbon (as CO2) is
                                                                      automatically measured by infra-red detector.
TRH Volatiles/BTEX                                EP080      SOIL     In house: Referenced to USEPA SW 846 - 8260. Extracts are analysed by Purge and Trap, Capillary GC/MS.
                                                                      Quantification is by comparison against an established 5 point calibration curve. Compliant with NEPM
                                                                      Schedule B(3) amended.
Preparation Methods                               Method     Matrix   Method Descriptions
TKN/TP Digestion                               EK061/EK067   SOIL     In house: Referenced to APHA 4500 Norg- D; APHA 4500 P - H. Macro Kjeldahl digestion.
Sample Preparation for Ammonium in             EK255ASD-PR   SOIL     In house: Referenced to Rayment and Lyons Method 7C1 and 7C2. Ammonium is extracted into a un-buffered
Sediments                                                             2M potassium chloride solution at a 1:10 ratio.
Drying only                                       EN020D     SOIL     In house
Drying at 85 degrees, bagging and                EN020PR     SOIL     In house
labelling (ASS)
1:5 solid / water leach for soluble                EN34      SOIL     10 g of soil is mixed with 50 mL of reagent grade water and tumbled end over end for 1 hour. Water soluble salts
analytes                                                              are leached from the soil by the continuous suspension. Samples are settled and the water filtered off for
                                                                      analysis.
Hot Block Digest for metals in soils               EN69      SOIL     In house: Referenced to USEPA 200.2. Hot Block Acid Digestion 1.0g of sample is heated with Nitric and
sediments and sludges                                                 Hydrochloric acids, then cooled. Peroxide is added and samples heated and cooled again before being filtered
                                                                      and bulked to volume for analysis. Digest is appropriate for determination of selected metals in sludge,
                                                                      sediments, and soils. This method is compliant with NEPM Schedule B(3).
Dry and Pulverise (up to 100g)                    GEO30      SOIL     #
Methanolic Extraction of Soils for Purge          ORG16      SOIL     In house: Referenced to USEPA SW 846 - 5030A. 5g of solid is shaken with surrogate and 10mL methanol prior
and Trap                                                              to analysis by Purge and Trap - GC/MS.