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Stantec <br /> WATER SAMPLE FIELD DATA SHEET <br /> PROJECT#: 185702030.200.005 PURGED BY: 422WELL I.D.: — o <br /> CLIENT NAME: STTC-Port of Stockton SAMPLED BY: � � SAMPLE I.D.: <br /> LOCATION: Stockton, CA QA SAMPLES: <br /> DATE PURGED - ( START(2400hr) drl,Z <br /> END(2400hr) <br /> DATE SAMPLED 2'310 <br /> " 0 SAMPLE TIME(2400hr) (� <br /> SAMPLE TYPE: Groundwater X Surface Water Treatment Effluent Other <br /> CASING DIAMETER: 2" 31. 4° 5" 6" 8" Other <br /> Casing Volume: (gallons per foot) 7M- 70.3$j T077 7�— TT7 . (2,M) <br /> DEPTH TO BOTTOM(feet) _ 6"O CASING VOLUME(gal)= J; 7,�2 <br /> DEPTH TO WATER (feet) = CALCULATED PURGE(gal)= 74 <br /> WATER COLUMN HEIGHT(feet)= ACTUAL PURGE(gal) <br /> FORMULA FOR CALCULATING PURGE VOLUME: V=3[3.14 x(casing volume)2 x water column height x 7.48 gallons/ft) <br /> PRE-PURdE BI PARAMETER FIELD READINGS <br /> TEMPERATURE 1917 DO 0, FERROUS IRON NIA <br /> pH -7,14.7 ORP ( SULFITE NIA <br /> CONDUCTIVITY ob TURBIDITY ; NITRITE NIA <br /> FIELD MEASUREMEN 16 <br /> CUMULATIVE <br /> PURGE WAFER TEMP, <br /> TIME RATE REMOVED DO ORP (Degrees pH CONDUCTIVITY TURBIDITY COLOR <br /> (2400hr) (gpm) (Gallons) (mg/1) Celsius) (units) (umhos/cm) (NTU) (visual) <br /> FINAL SIOPARAMETER FIELD READINGS <br /> TEMPERATURE of, �� DO r FERROUS IRON N/A <br /> pH ORP - / �, SULFITE N/A <br /> CONDUCTIVITY l TURBIDITY NITRITE N/A <br /> 80% RECHARGE: YES_NO ANALYSES: Various(See Work Order) <br /> ODOR: SAMPLE VESSEL/PRESERVATIVE: Various(See Work Order) <br /> PURGING EQUIPMENT SAMPLING EQUIPMENT <br /> Bladder Pump Bailer(Teflon) Bladder Pump Baiier(Teflon) <br /> Centrifugal Pump Bailer(PVC) _Centrifugal Pump Bailer ( PVC orf disposable) <br /> Submersible Pump Bailer(Stainless Steel) Submersible Pump Baiier(Stainless Steel) <br /> Peristalic Pump Dedicated Peristalic Pump Dedicated <br /> r)ther: Other: <br /> -imp Depth: <br /> WELL INTEGRITY: LOCK#: <br /> REMARKS: <br /> SIGNATURE: Page of <br />