6. Noosa River DMP Ver0 (Combined)

Page                    : 23 of 25
Work Order              : EB2201825
Client                  : BMT COMMERCIAL AUSTRALIA PTY LTD
Project                 : A10342 - Noosa SAP

Analytical Methods                                Method     Matrix   Method Descriptions
Nitrite and Nitrate as N (NOx)- Soluble by        EK059G     SOIL     In house: Thermo Scientific Method D08727 and NEMI (National Environmental Method Index) Method ID: 9171.
Discrete Analyser                                                     This method covers the determination of total oxidised nitrogen (NOx-N) and nitrate (NO3-N) by calculation,
                                                                      Combined oxidised Nitrogen (NO2+NO3) in a water extract is determined by direct colourimetry by Discrete
                                                                      Analyser.
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.
TPH - Semivolatile Fractions Only              EP071-SD-SV   SOIL     In house: Referenced to USEPA SW 846 - 8270. Extracts are analysed by Capillary GC/FID and quantification is
                                                                      by comparison against an established 5 point calibration curve. This method is compliant with NEPM Schedule
                                                                      B(3)
PAH/Phenols (SIM)                               EP075(SIM)   SOIL     In house: Referenced to USEPA SW 846 - 8270. Extracts are analysed by Capillary GC/MS in Selective Ion Mode
                                                                      (SIM) and quantification is by comparison against an established 5 point calibration curve. This method is
                                                                      compliant with NEPM Schedule B(3)
TRH Volatiles/BTEX in Sediments                  EP080-SD    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.
Organotin Analysis                                EP090      SOIL     In house: Referenced to USEPA SW 846 - 8270 Prepared sample extracts are analysed by GC/MS coupled with
                                                                      high volume injection, and quanitified against an established calibration curve.
Synthetic Pyrethroids by GCMS                     EP094      SOIL     In house: Referenced to USEPA SW 846 - 8270 Extracts are analysed by Capillary GC/MS and quantification is
                                                                      by comparison against an established 5 point calibration curve. This technique is compliant with NEPM
                                                                      Schedule B(3).
Organophosphorus Pesticides                       EP130      SOIL     In house: Referenced to USEPA Method 3640 (GPC cleanup), 8141 (GC/FPD - Capillary Column) This technique
(Ultra-trace)                                                         is compliant with NEPM Schedule B(3)
Organochlorine Pesticides (Ultra-trace)           EP131A     SOIL     In house: Referenced to USEPA Method 3640 (GPC cleanup),3620 (Florisil), 8081/8082 (GC/µECD/µECD) This
                                                                      technique is compliant with NEPM Schedule B(3)
PCB's (Ultra-trace)                               EP131B     SOIL     In house: Referenced to USEPA Method 3640 (GPC cleanup),3620 (Florisil), 8081/8082 (GC/µECD/µECD) This
                                                                      technique is compliant with NEPM Schedule B(3)
Carbamate Pesticides by LCMS                      EP201      SOIL     In house: Referenced to USEPA Method 8318 LCMS (ES in positive mode). Residues of carbamates are
                                                                      extracted from soil samples using acetonitrile. The extract is evaporated to near dryness and the residues are
                                                                      dissolved in HPLC mobile phase prior to instrumental analysis.