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1534 Willow Pass Road.Pittsburg,CA 94565-1701 <br /> McCampbell Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "If"hen Qualih'Counts" http:'N�%%%N.mccampbell.com/E-mail:main(e mccampbell.com <br /> Analytical Report <br /> Client: Excelchem Environmental Labs WorkOrder: 2104071 <br /> Date Received: 04/02/2021 10:01 Extraction Method: SM4500H+B-2000 <br /> Date Prepared: 04/02/2021 Analytical Method: SM4500H+B <br /> Project: 2103218 Unit: pH units @ 25°C <br /> pH <br /> Client ID Lab ID Matrix Date Collected Instrument Batch ID <br /> Sample 1 2104071-001A Water 03/29/2021 15:05 WetChem 218662 <br /> Analytes Result Qualifiers Accuracy DF Date Analyzed <br /> pH 7.44 H ±0.05 1 04/02/202114:49 <br /> Analyst(s): NYG <br /> Client ID Lab ID Matrix Date Collected Instrument Batch ID <br /> Sample 2 2104071-002A Water 03/29/2021 15:05 WetChem 218662 <br /> Analytes Result Qualifiers Accuracy Q—F Date Analyzed <br /> pH 7.43 H ±0.05 1 04/02/202114:55 <br /> Analyst(s): NYG <br /> Client ID Lab ID Matrix Date Collected Instrument Batch ID <br /> Sample 3 2104071-003A Water 03/29/2021 15:07 WetChem 218662 <br /> Analytes Result Qualifiers Accuracy DF Date Analyzed <br /> pH 7.92 H ±0.05 1 04/02/202114:58 <br /> Analyst(s): NYG <br /> Client ID Lab ID Matrix Date Collected Instrument Batch ID <br /> Sample 2104071-004A Water 03/29/202115:07 WetChem 218662 <br /> Analytes Result Qualifiers Accuracy DF Date Analyzed <br /> pH 7.93 H ±0.05 1 04/02/202115:01 <br /> Analyst(s): NYG <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 8 of 16 <br />