ML20108B118

Forwards Groundwater Monitoring Rept for Catawba Nuclear Station Conventional Wastewater Treatment Ponds from Samples Collected on 960304

ML20108B118
Person / Time
Site:	Catawba
Issue date:	04/23/1996
From:	Carter J DUKE POWER CO.
To:	Hursey S SOUTH CAROLINA, STATE OF
References
NUDOCS 9605030164
Download: ML20108B118 (5)

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DukeIbuer Cornieny ElectricSysten Support 01Dllagersl'erryIbad Huntersville, NC18M19B DUKEPOWER April 23,1996 Ms. Sandra Hursey SC Department of Health and Environmental Control Bureau of Water Pollution Control Water Quality Assessment and Enforcement Section 2600 Bull Street Columbia, South Carolina 29201

Subject:

Catawba Nuclear Station - NPDES Permit # SC0004278 WC Pond Groundwater Monitoring Data File Code: CN-705.05 Certified Mail: 2 403 319137

Dear Ms. Hursey:

Please find attached a groundwater monitoring report for Catawba Nuclear Station's conventional wastewater treatment ponds. Samples were collected on March 4,1996 in accordance with the sampling and analysis plan.

All monitoring results met the South Carolina State groundwater standards, The sulfate concentration seen in the upgradient well WCMW1 continues to remain high.

Should you have questions or comments regarding this report please contact John Estridge at (704) 875-5965.

Sincerely b-ohn C rter, echnical System Manager

! nvironmental Division, Water Protection

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Q30 Attachments l

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xc: Catawba District Hydrologist

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j-- Sample Date

March 4,1996 (GEOCHEMISTRY DATA)

L Storet Monitoring WellIdentification FIELD SC R61-58 -

Parameter Units Number WCMW1B WCMW2 IWCMW3 WCMW4 BLANK MCL Lab Certificate No. 00008 99005 99005 99005 99005 99005 1M@IMS Top ofWell Casing mst-feet rem 622.06 608.32 600.35 595.42 MEW inMMM!Mk Depth to Water feet 3 ' 4 5nt 16.88 19.61 18.05 13.50 Ass @ee ag#inlP*W@

Water Elevation (0.01) ms!-feet 82545 605.18 588.71 582.30 581.92 $Mj@ HGME%

Well Deptla feet 25.%

%74L%Q 30.02 30.06 21.52 nGMQ FCA M E Field Spec. Candm-tawa umho/cm 00095 2199 383 123 127 i!nMPS 4sWM$fu Field pH Std. Units 00400 6.4 6.7 5.9 6.5 M**!!R 6.5-8.5" Arsenic mg/l 01002 0.012 <0.0010 <0.0010 0.0014 <0.0010 0.050 Barium mg/l 01007 0.066 0.035 0.047 0.020 <0.0050 2.0 i Cadmium mg/l 01027 0.00015 0.00012 0.00011 <0.00010 <0.00010 0.0050 Chromium mg/l 01034 0.0052 0.0054 0.0032 0.0048 0.0011 0.10 Copper mg/l 01042 0.0070 0.0019 0.0022 0.010 0.00050 1.0*

Iron mg/l 01045 2.0 4.5 3.5 1.1 <0.010 0.3

• i Izad mg/l 01051 <0.0020 <0.0020 0.0027 <0.0020 <0.0020 0.050 Manganese I mg/l 01055 0.059 0.17 0.18 0.010 <0.0050 0.050"  ;

Mercury mg/l 71900 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 0.0020 l Selenium mg/l 01147 <0.0020 <0.0010 <0.0010 <0.0010 0.0012 0.050 Silver mg/l 01077 <0 00020

. <0.00020 <0.00020 0.015 <0.00020 0.10*

Sulfate mg/l 00945 1081 57 23 21 <1.0 250-Zine mg/l 01092 0.012 <0.0050 <0.0050 <0.0050 <0.0050 5.0*

• SC R61-58.5(O) Secondary Maximum Contaminant Imel (MCL) for drinking water as reference only.

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