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Geo-environmental Investigation · MCU25/0020
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Certificate of Analysis
NATA Accredited
Accreditation Number 1261
Tectonic Geotechnical Pty Ltd Site Number 20794 & 2780
924 David Low Way Accredited for compliance with ISO/IEC 17025 – Testing
NATA is a signatory to the ILAC Mutual Recognition
Marcoola Arrangement for the mutual recognition of the
equivalence of testing, medical testing, calibration,
QLD 4564 inspection, proficiency testing scheme providers and
reference materials producers reports and certificates.
Attention: Michael Cocks
Report 1189604-W
Project name 25040
Project ID 11 RAVENWOOD DRIVE
Received Date Feb 19, 2025
Client Sample ID GW-BH1
Sample Matrix Water
Eurofins Sample No. B25-Fe0047962
Date Sampled Feb 18, 2025
Test/Reference LOR Unit
Acidity (as CaCO3) 10 mg/L < 10
Chloride 1 mg/L 470
Conductivity (at 25 °C) 10 uS/cm 1400
pH (at 25 °C) 0.1 pH Units 10
Redox Potential mV (relative to Ag/AgCl) 1 mV 180
Sulphate (as SO4) 5 mg/L 120
Sample Comment
Heavy Metals
Aluminium 0.05 mg/L 36
Aluminium (filtered) 0.05 mg/L 7.5
Iron 0.05 mg/L 24
Iron (filtered) 0.05 mg/L 1.1
Eurofins Environment Testing 1/21 Smallwood Place, Murarrie, QLD, Australia 4172 Page 1 of 9
Date Reported: Feb 25, 2025 ABN : 50 005 085 521 Tel: +61 7 3902 4600 Report Number: 1189604-W
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