ML20080P505

Change 0 to Procedure CP/O/B/8100/07, Chemistry Procedure for Determination of Suspended Solids Millipore Filters

ML20080P505
Person / Time
Site:	Catawba
Issue date:	07/15/1983
From:	Evans L, Painter R, Tuckman M DUKE POWER CO.
To:
Shared Package
ML20080P419	List: ML20080P417 ML20080P421 ML20080P430 ML20080P443 ML20080P446 ML20080P449 ML20080P452 ML20080P460 ML20080P466 ML20080P469 ML20080P485 ML20080P488 ML20080P498 ML20080P505 ML20080P518 ML20080P526 ML20080P531 ML20080P535 ML20080P547 ML20080P549 ML20080P554 ML20080P561 ML20080P569 ML20080P575 ML20080P578 ML20080P586 ML20080P590 ML20080P598 ML20080P602 ML20080P605
References
CP-O-B-8100-07, CP-O-B-8100-7, NUDOCS 8402220566
Download: ML20080P505 (11)

Text

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Form 34731 (10-81)

(Formerly SPD 10021)

DUKE POWER COMPANY (1) ID No: CP/0/B/8100/07 PROCEDURE PREPARATION Change (s) O to PROCESS RECOFD / Incorporated (2) STATION: Catawba (3) PROCEDURE TITLE: Chemistry Procedure for the Determination of Suspended Solids Millipore Filters (4) PREPARED BY: 8I d DATE: 7 //PJ (5) REVIEWED BY: /d bw k b DATE: 7 /3-7J S

Cross-Disciplinary Review By: /4 /__

(6) TEMPORARY APPROVAL (IF NECESSARY):

By: (SRO) Date:

By: Date:

(7) APPROVED BY: 1 O* 6V%t-- Date: \$fb (8) MISCELLANEOUS:

Reviewed / Approved By: Date:

Reviewed / Approved By: Date:

bfASTER FF~

8402220566 840215 PDR ADOCK 05000413 E PDR

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Form 34634 (4 91) SPD 10012 DUKE POWER COMPANY NUCLEAR SAFETY EVALUATION CHECK LIST (1) STATION: Catawba UNIT: 1 2 3 OTHER: Shared (2) CHECK LIST APPLICABLE TO: CP/0/B/8100/07 (3) SAFETY EVALUATION - PART A The item to which this evaluation is applicable represents:

Yes No _/_ A change to the station or procedures as described in the FS, or a test or experiment not described in the FSAR?

If the answer to the above is "Yes", attach a detailed description of the iter being evaluated and an identification of the affected section(s) of the FSAR.

(4) SAFETY EVALUATION - PART B Yes No / Will this item require a change to the station Technical Specifications?

If the answer to the above is "Yes," identify the specification (s) aff ected and/or attach the applicable pages(s) with the change (s) indicated.

(S) SAFETY EVALUATION - PAR'" C As a result of the item to which this evaluation is applicable:

Yes No Will the probability of an accident previously evaluated in the FSAR be increased?

Yes No / Will the consequence s of an accident previously evaluated in the FSAR be increased?

Yes No / May the possibility of an accident vnich is dif ferent than any already evaluated in the FSAR be created?

Yes No Will the probability of a malfunction of equipment important to safety previously evaluated in the FSAR

[beincreased?

Yes No ,Will the consequences of a malfunction of equipment

/ important to safety previously evaluated in the FSAR

/ be increased?

Yes No May the possibility of malfunction of equipment important to safety different than any already evaluated in the FSAR be created?

Yes No / Will the margin of safety as defined in the bases to any l Technical Specification be reduced?

l If the answer to any of the preceding is "Yes", an unreviewed safety l question is involved. Justify the conclusion that an unreviewed safety question is or is not involved. Attach additional pages as necessary.

(6) FREPARED BY: / p / DATE: '2 l (7) REVIEWED BY: b bcvvs DATE: 2 - /J- /3 l

(8) Page 1 of /

i i

Form 18855 (3-80)

DUKE POWER COMPANY ALARA EVALUATION CHECKLIST (1) Station Catawba Unit: 1 2 3 Other: Shared (2) Checklist Applicable to: CP/0/B/8100/07 (3) ALARA Evaluation Check those items below which were considered applicable during the preparation and review of this document.

Flushing and draining were used to minimize source - strength and con-tamination levels prior to performing an operation.

Permanent and/or movable shielding was specified for reduction of levels.

Use of permanent or temporary local exhaust ventilation systems was used for control of airborne contamination.

l Operation was designed to be completed with the least practicable time spent in the radiation field.

Appropriate tools and equipment were specified for the operation to be performed.

The operation was designed considering the minimum number of people necessary for safe job completion.

Remote handling equipment and other special tools were specified to

! reduce external dose.

Contamination - control techniques were specified.

The operation was designed to be conducted in areas of as low an exposure as practicable.

l l

Additional ALARA considerations were:

i

' ALARA Principles were not considered since the procedure did not

! involve work in a radiation area.

(5) Prepared by: /W Date 7 '

7 (6) Reviewed by: _

M% Date 2-/.7 - A3 l

l l

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s CP/0/B/8100/07 DUKE POWER COMPANY CATAWBA NUCLEAR STATION CHEMISTRY PROCEDURE FOR THE DETERMINATION OF SUSPENDED SOLIDS MILLIPORE FILTER

. 1.0 DISCUSSION 1.1 Scope This method describes the rapid determination of suspended solids (primarily iron oxides) found in high purity water.

1.2 Principle Suspended solids in the primary and secondary systems are predominately i

iron oxide in one or more of its oxidation states. The various oxidation states present are dependent on the system status in regard to temperature and dissolved oxygen concentration.

At low temperatures and high dissolved oxygen concentrations, iron oxide is present as:

Fe20 3 .XHO 2 (Ferric 0xide Hydrate)

As the temperature increases, and the level of dissolved oxygen decreases, the primary product becomes Magnatite or black iron oxide, Fe304 Once formed, the oxide acts as a protective film preventing further oxidation.

At intermediate temperatures and-dissolved oxygen levels, various mixtures of the two iron oxides are formed.

At temperatures of 550*F and dissolved oxygen concentrations less than 5 ppb, black iron oxide tends to plate out on the metal surfaces, reducing the concentrations of suspended solids to negligible quantities.

The type and quantity of suspended iron oxides present in the sample being analyzed are determined by comparing the stain on a 0.45p pore membrane filter to a set of standard charts prepared by the Babcock and Wilcox Co., (See Enclosure 6.1). In addition to the Fe2 0 3 .XHO 2 and Fe3 0 4 charts, comparison charts are also provided for three inter-mediate mixtures:

Fe2O3 . XHO 2 Fe30 4 (1:1)

Fe203 . XHO 2 Fe304 (1.5:1)

Fe203 .

X H2 O - Fe304 (2:1)

,,w-----e ~.--m , --- -

-.r- , -, -.

. - - _ . . . , . - . - - ._m-,ry.-,-3,_-_-,-,.-. -.v-.- y ,,,,y..m, --.

.m ..e_-, .

s -

CP/0/B/8100/07 Paga 2 of 3 1.3 Precision and Interferences This method is not a highly accurate, quantitative analysis. However, it is an excellent, rapid estimation of the type and quantity of suspended solids present in high purity water.

1.4 Limits and Precautions Not Applicable 2.0 APPARATUS 2.1 Vacuum pump 2.2 Filter holder (47 mm) 2.3 Filter flask 2.4 Membrane filters 0.45m, (47 mm) 2.5 Sample bottles (1 liter)

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2.6 Membrane Filter Comparison Charts 3.0 REAGENTS None Required 4.0 PROCEDURE 4.1 Concentration Measurement 4.1.1 Ensure that the filtering apparatus is free of any visible particles.

4.1.2 Insert the v>embrane filter in position on the filter holder.

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4.1.3 Under vacuum, filter one liter of the sample.

NOTE: If the suspended iron is high, a smaller quantity of the sample may be filtered; also, if the suspended iron is low, a larger quantity of the sample may be filtered. The results must be corrected to a one liter sample.

4.1.4 When the filter is dry, break vacuum and remove the filter from the filter holder.

4.1.5 Estimate the total iron by comparing the intensity of the stain with the proper comparison chart.

r . . CP/0/B/8100/07 w - Pcga 3 of 3 5.0 REFEREN'ES 5.1 Babcock and Vilecx. 1970, Procedure for Suspended Solids (as Fe)

Comparison Chart. 11-73, 74 5.2 McGuire Nuclear Station Chemistry Procedures CP/0/B/8100/22 and CP/0/B/8100/60.

5.3 Oconee Nuclear Station Chemistry Procedure CP/0/B/300/20.

3.4 Steam Production Department System Power Chemistry Procedure CP/63.

6.0 ENCLOSURES 6.1 Membrane Filter Comparison Charts A. Fe O 23 . XHO 2 B. Fe O 23 . X H20-Fe34 0 (1:1)

C. Fe O 23 . X H20-Fe34 0 (1.5.1)

D. Fe O 23 . X H20-Fe34 0 (2:1) .

E. Fe 0 34

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!This chart is for. suspended 'Fe2OpX H2 O) and MEMBRANE FILTER

magnetic (Fe304 ) Iron Oxides and is based on a

passage of one liter of water containi'ng the COMPARISON CHART

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(Fe2OgX H2 0 - Fe30)1:1

indicated concentration in terms of pdris per 4 billion . . . Iron (Fe) through a 0.454 ' pore size THE. BABCOCK & WILCOX 'CO.

.nmm hro no nitor . .. . .  :- .

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This chart is for suspended (Fe2O3 X H2 O) and MEMBRANE FILTER l magnetic (Fe30 ) Iron Oxides and is based on a COMPARISON CHART 4

passage of one liter of water containing the t

. dicated concentrat. ion in terms of parts per In (Fe2O3 X H 2O - Fe30 4) 1.5:1 I.

billion . . . iron (Fe) through a 0.454 pore size THE BABCOCK & WILCOX CO.

membrane filter.

POWER GENERATION DIVISION

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100 150 250 500 This chart is for suspended (Fe2O3 X H2 O) and MEMBRANE FILTER magnetic (Fe304 ) Iron Oxides and is based on a passage of one liter of water containing the COMPARISON CHART (Fe2O3 X H 2O - Fe30 4) 2:1

.indicated concentrat. ion in terms of parts per billion . . . Iron (Fe) through a 0.454 pore size membrane filter.

THE BABCOCK & WILCOX CO.

POWER GENERATION DIVISION

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This chart is for suspended Black Iron oxide MEMBRANE FILTER (Fe30 ) only and is based on a passage of

, 4 COMPARISON CHART one liter of water containing the indicated (Fe30) 4 concentration of Fe304 in terms of parts per billion . . . iron (Fe) through a 0.454 pore TIIE BABCOCK & WILCOX CO.

Size membrane filter. POWER GENERATION DIVISION