REFERENCE DOCUMENTS - RAL25/0004 (As Published)

     Page                    : 9 of 9
     Work Order              : EB2409053
     Client                  : ENVIRONMENTAL ADVISORS
     Project                 : 125 NSC LAKE McDONALD DVE, COOROY

     Preparation Methods                               Method      Matrix   Method Descriptions
     Separatory Funnel Extraction of Liquids           ORG14       WATER    In house: Referenced to USEPA SW 846 - 3510 100 mL to 1L of sample is transferred to a separatory funnel
                                                                            and serially extracted three times using DCM for each extract. The resultant extracts are combined, dehydrated
                                                                            and concentrated for analysis. This method is compliant with NEPM Schedule B(3) . ALS default excludes
                                                                            sediment which may be resident in the container.
     Volatiles Water Preparation                      ORG16-W      WATER    A 5 mL aliquot or 5 mL of a diluted sample is added to a 40 mL VOC vial for purging.
     Solid Phase Extraction (SPE) for PFAS in          ORG72       WATER    In-house: Isotopically labelled analogues of target analytes used as internal standards and surrogates are
     water                                                                  added to the sample container. The entire contents are transferred to a solid phase extraction (SPE) cartridge.
                                                                            The sample container is successively rinsed with aliquots of the elution solvent. The eluted extract is combined
                                                                            with an equal volume of reagent water and a portion is filtered for analysis. Method procedures conform to US
                                                                            DoD QSM 5.3, table B-15 requirements.




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