REFERENCE DOCUMENTS - RAL25/0004 (As Published)

     Page                    : 10 of 10
     Work Order              : EB2306000
     Client                  : ENVIRONMENTAL ADVISORS
     Project                 : 125 NSC LAKE McDONALD DVE, COOROY

     Analytical Methods                                Method      Matrix   Method Descriptions
     TRH - Semivolatile Fraction                       EP071       SOIL     In house: Referenced to USEPA SW 846 - 8015 Sample extracts are analysed by Capillary GC/FID and
                                                                            quantified against alkane standards over the range C10 - C40. Compliant with NEPM Schedule B(3).
     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.
     Asbestos Identification in Bulk Solids            EA200       SOLID    In house: Referenced to AS 4964 Method for the qualitative identification of asbestos in bulk samples Analysis
                                                                            by Polarised Light Microscopy including dispersion staining
     Preparation Methods                               Method      Matrix   Method Descriptions
     pH in soil using a 0.01M CaCl2 extract           EA001-PR     SOIL     In house: Referenced to Rayment and Lyons 4B1, 10 g of soil is mixed with 50 mL of 0.01M CaCl2 and tumbled
                                                                            end over end for 1 hour. pH is measured from the continuous suspension. This method is compliant with
                                                                            NEPM Schedule B(3).
     Exchangeable Cations Preparation                 ED006PR      SOIL     In house: Referenced to Rayment and Lyons method 15C1.
     Method (Alkaline Soils)
     Exchangeable Cations Preparation                 ED007PR      SOIL     In house: Referenced to Rayment & Lyons method 15A1. A 1M NH4Cl extraction by end over end tumbling at a
     Method                                                                 ratio of 1:20. There is no pretreatment for soluble salts. Extracts can be run by ICP for cations.
     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).
     Organic Matter                                   EP004-PR     SOIL     In house: Referenced to AS1289.4.1.1. Dichromate oxidation method after Walkley and Black. This method is
                                                                            compliant with NEPM Schedule B(3).
     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.
     Tumbler Extraction of Solids                      ORG17       SOIL     In house: Mechanical agitation (tumbler). 10g of sample, Na2SO4 and surrogate are extracted with 30mL 1:1
                                                                            DCM/Acetone by end over end tumble. The solvent is decanted, dehydrated and concentrated (by KD) to the
                                                                            desired volume for analysis.




Document Set ID: 23717062
Version: 0, Version Date: 01/01/1900