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REFERENCE DOCUMENTS - RAL25/0004 (As Published)
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Page : 2 of 9
Work Order : EB2409053
Client : ENVIRONMENTAL ADVISORS
Project : 125 NSC LAKE McDONALD DVE, COOROY
Outliers : Quality Control Samples
Duplicates, Method Blanks, Laboratory Control Samples and Matrix Spikes
Matrix: WATER
Compound Group Name Laboratory Sample ID Client Sample ID Analyte CAS Number Data Limits Comment
Laboratory Control Spike (LCS) Recoveries
EP075D: Nitrosamines QC-5676628-002 ---- Methapyrilene 91-80-5 101 % 0-90.7% Recovery greater than upper control
limit
Outliers : Frequency of Quality Control Samples
Matrix: WATER
Quality Control Sample Type Count Rate (%) Quality Control Specification
Analytical Methods Method QC Regular Actual Expected
Laboratory Duplicates (DUP)
PAH/Phenols (GC/MS - SIM) EP075(SIM) 0 16 0.00 10.00 NEPM 2013 B3 & ALS QC Standard
Semivolatile Organic Compounds EP075 0 4 0.00 10.00 NEPM 2013 B3 & ALS QC Standard
TRH - Total Recoverable Hydrocarbons - Silica Gel EP071SG 0 5 0.00 10.00 NEPM 2013 B3 & ALS QC Standard
Cleanup
Matrix Spikes (MS)
PAH/Phenols (GC/MS - SIM) EP075(SIM) 0 16 0.00 5.00 NEPM 2013 B3 & ALS QC Standard
Semivolatile Organic Compounds EP075 0 4 0.00 5.00 NEPM 2013 B3 & ALS QC Standard
TRH - Total Recoverable Hydrocarbons - Silica Gel EP071SG 0 5 0.00 5.00 NEPM 2013 B3 & ALS QC Standard
Cleanup
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: WATER 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
EA015: Total Dissolved Solids dried at 180 ± 5 °C
Clear Plastic Bottle - Natural (EA015H)
---- ---- 21-Mar-2024
MB1-1, MB2-1, 14-Mar-2024 ---- 21-Mar-2024 ü
MB4-1, D1
EG035F: Dissolved Mercury by FIMS
Clear Plastic Bottle - Nitric Acid; Filtered (EG035F-LL)
---- ---- 11-Apr-2024
MB1-1, MB2-1, 14-Mar-2024 ---- 20-Mar-2024 ü
MB4-1, D1
Document Set ID: 23717062
Version: 0, Version Date: 01/01/1900
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