REFERENCE DOCUMENTS - RAL25/0004 (As Published)

     Page                         : 3 of 22
     Work Order                   : EB2406372
     Client                       : ENVIRONMENTAL ADVISORS
     Project                      : 125 NSC LAKE McDONALD DVE, COOROY

      Sub-Matrix: SOIL
       Compound Group Name                               Laboratory Sample ID   Client Sample ID       Analyte                              CAS Number          Data           Limits       Comment
      Samples Submitted
       EP066S: PCB Surrogate                             EB2406372-036          TP21-0.5               Decachlorobiphenyl                       2051-24-3      143 %          16.2-134      Recovery greater than upper data
                                                                                                                                                                                 %          quality objective
       EP066S: PCB Surrogate                             EB2406372-078          TP34-0.1               Decachlorobiphenyl                       2051-24-3      159 %          16.2-134      Recovery greater than upper data
                                                                                                                                                                                 %          quality objective


     Analysis Holding Time Compliance
     If samples are identified below as having been analysed or extracted outside of recommended holding times, this should be taken into consideration when interpreting results.
     This report summarizes extraction / preparation and analysis times and compares each with ALS recommended holding times (referencing USEPA SW 846, APHA, AS and NEPM) based on the sample container
     provided. Dates reported represent first date of extraction or analysis and preclude subsequent dilutions and reruns. A listing of breaches (if any) is provided herein.
     Holding time for leachate methods (e.g. TCLP) vary according to the analytes reported. Assessment compares the leach date with the shortest analyte holding time for the equivalent soil method. These are:                      organics
     14 days, mercury 28 days & other metals 180 days. A recorded breach does not guarantee a breach for all non-volatile parameters.
     Holding times for VOC in soils vary according to analytes of interest. Vinyl Chloride and Styrene holding time is 7 days; others 14 days.       A recorded breach does not guarantee a breach for all VOC analytes and
     should be verified in case the reported breach is a false positive or Vinyl Chloride and Styrene are not key analytes of interest/concern.
     Matrix: SOIL                                                                                                                                                               Evaluation: û = Holding time breach ; ü = Within holding time.
     Method                                                                                                          Sample Date                   Extraction / Preparation                                      Analysis
      Container / Client Sample ID(s)                                                                                               Date extracted     Due for extraction      Evaluation      Date analysed    Due for analysis   Evaluation

     EA055: Moisture Content
     Soil Glass Jar - Unpreserved (EA055)
                                                                                                                                                               ----               ----                          04-Mar-2024
       TP12-0.5,                                            TP13-0.1,                                               19-Feb-2024          ----                                                   27-Feb-2024                           ü
       TP14-0.1,                                            TP14-1.0,
       TP14-3.3,                                            TP15-0.5,
       TP15-2.0,                                            TP17-0.5,
       TP20-0.1,                                            TP20-2.8,
       TP21-0.1,                                            TP21-1.0,
       TP23-1.0
     Soil Glass Jar - Unpreserved (EA055)
                                                                                                                                                               ----               ----                          05-Mar-2024
       TP27-0.5,                                            TP27-1.0,                                               20-Feb-2024          ----                                                   27-Feb-2024                           ü
       TP33-0.1,                                            TP33-0.5
     Soil Glass Jar - Unpreserved (EA055)
                                                                                                                                                               ----               ----                          06-Mar-2024
       TP40-0.5,                                            TP40-1.0,                                               21-Feb-2024          ----                                                   27-Feb-2024                           ü
       TP41-0.2




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