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Stantec <br /> WATER SAMPLE FIELD DATA SHEET <br /> PROJECT#: 185702030.200.005 PURGED BY: WELL I.D.: U2 -' . <br /> CLIENT NAME: STTC-Port of Stockton SAMPLED BY ,� SAMPLE I.D.: 'c�/� <br /> LOCATION: Stockton, CA QA SAMPLES: <br /> DATE PURGED START(2400hr) � / END(2400hr) <br /> DATE SAMPLED ;. ' ✓� IJ SAMPLE TIME(2400hr) <br /> SAMPLE TYPE: Groundwater X Surface Water Treatment Effluent Other <br /> CASING DIAMETER: 2" 4 3" 4" 5" 6" 8" Other <br /> Casing Volume: (gallons per foot) TUMT �7f � Txa � 7M7T---7 <br /> DEPTH TO BOTTOM(feet) Z6,00 CASING VOLUME(gal)= 1, 37 <br /> DEPTH TO WATER (feet)= 7f 23 CALCULATED PURGE (gal)= <br /> WATER COLUMN HEIGHT(feet)_ 9, 07 ACTUAL PURGE(gal)= `l r oo <br /> FORMULA FOR CALCULATING PURGE VOLUME: V=3(3.14 x(casing volume)2 x water column height x 7.48 gallons/ft) <br /> PRF-PURGE BIOPARAMETER FIELD READINGS <br /> TEMPERATURE r/ DO G, FERROUS IRON NIA <br /> pHrG�- --ORP —95-, l SULFITE NIA <br /> CONDUCTIVITY 20 TURBIDITY NITRITE NIA <br /> FIELD MEASUREMEN V6 <br /> CUMULATIVE <br /> PURGE WATER TEMP. <br /> TIME RATE REMOVED DO ORP (Degrees pH CONDUCTIVITY TURBIDITI COLOR <br /> (2400hr) (gpm) (Gallons) (mg/0 Celsius) (units) (umhoslcm) (NTU) (visual) <br /> :77 _ ,moi <br /> FINAL BIOPARAMETER FIELD READINGS <br /> TEMPERATURE 17 2�� DO ?', 70 FERROUS IRON N/A <br /> pH ORP 7 SULFITE NIA <br /> CONDUCTIVITY a TURGIDITY �,,� NITRITE N/A <br /> 80% RECHARGE 1/-- YES NO ANALYSES: Various(See Work Order) <br /> ODOR: 41 SAMPLE VESSEL/PRESERVATIVE: Various(See Work Order) <br /> PURGING EQUIPMENT SAMPLING EQUIPMENT <br /> Bladder Pump Bailer(Teflon) Bladder Pump Bailer(Teflon) <br /> Centrifugal Pump Bailer(PVC) Centrifugal Pump Bailer ( PVC or : disposable) <br /> Submersible Pump Bailer(Stainless Steel) Submersible Pump Bailer(Sta_inless Steel) <br /> Peristalic Pump Dedicated Peristalic Pump Dedicated <br /> Other: Other: <br /> imp Depth: <br /> WELL INTEGRITY: C ) LOCK#.._ <br /> REMARKS: 7 <br /> SIGNATURE: Page of <br />