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Q E -TE C H DEL-TECH GEOTECHNICAL SUPPORT, INC. <br /> FORWARD LANDFILL SUMPS-DISSOLVED OXYGEN READINGS <br /> HOLDING POND SUMMARY LOG 2026 <br /> &NORTH POND <br /> DATE 2/7/26 2/10/26 2/21/26 2/28/26 <br /> EBOARD - FE 3.0 4.0 3.0 3.0 <br /> D.O.READING-PPM 2.7 2.9 3.6 3.2 <br /> AERATORS ON-LINE 4 4 4 4 <br /> FREEBOARD - FEET *D.O.READING-PPM <br /> 4.5 <br /> 4.0 <br /> 4.0 in N. <br /> / � 3.6 <br /> 3.5 / <br /> / 3.2 <br /> 3.0 / 3.0 <br /> 3.0 2.9 <br /> 2.5 <br /> 2.0 <br /> 1.5 <br /> 1.0 <br /> 0.5 <br /> 0.0 <br /> 2/7/2026 2/10/2026 2/21/2026 2/28/2026 <br /> NOTES: <br />