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1 PRIORITY ATTENTION REQUIRED DAILY REPORT - REGION I PRIORITY ATTENTION REQUIRED DATE - FEBRUARY 3,1982 T0: Dudley Thompson, X005, IE:HQ FROM: Boyce H. Grier, Region I .
Facility Notification Item or Event Regional Action Pilgrim 2/1 SRI Phone The licensee found about 100 gallons of Per MC 2515 (50-293) dry radioactive resin in the inlet plenum of the 'B' Standby Gas Treatment System filter train. The resin has been cleaned up and the licensee is continuing an in-vestigation into the source.
T0: Larry Briggs FROM: Jon Johnson, Pilgrim NPS 8606CN>O179 86(hb13 PDR FOIA i Region I Form 94 BURNSTE86-58 PDR C %y (Rev. March 80)
__ _ _ __ N
aso UNITED STATES ngo NUCLEAR REGULATERY COMMISSION f g y S ntilON I En i
f 83t PARK AVEMUE Kina or enuss:A. PsMNSYLVANI A 19444 16 JUN 1982 Docket No. 50-293 CAL No. 82-19 Boston Edison Company M/C Nuclear I'ECElVID ATTN: Mr. William D. Harrington Senior Vice President, Nuclear '82 JH 21 Mi 10 36 25 Braintree Hill Office Park Braintree, Massachusetts 02184 HLCRIM STAT 10N Gentlemen: NUcuEA!} RECORDS CENTEF 3 This refers to our telephone conversation on June 15, 1982 regarding the identification of spent resin on roof-tops and pavement within the protected area of the Pilgrim Station on June 11, 1982.
With regard to the matters discussed, we understand that you have undertaken or will undertake and complete the following actions:
- 1. Discontinue back flushing, regenerating or ultrasonically cleaning condensate demineralizer spent resins until the source of the resin contamination of ventilation systems is identified and corrective actions taken for its cause. In the event long term plant design changes are needed to correct the cause of the resin release to the ventilation system, resin cleaning operations may be performed provided that: a) appropriate procedure revisions and other administrative controls are established to prevent further resin releases to the ventilation system; b) a test of the adequacy of the procedure revisions and other administrative controls is performed using clean resin and; c) the integrity of the Contaminated Exhaust Ventilation filters has been verified by DOP testing.
- 2. Inspect or test all potentially effected safety related ventilation !
system components (e.g. Secondary Containment Isolation Dampers) to verify their operability and the absence of resin. The results of the in pcetions/ tests shall be documented for subsequent NRC review.
- 3. Inspect clean air intake ventilation filters or ducts for all potentially effected station structures to verify absence of resin. In the event resin contamination is identified, the resin will be removed. The results of this inspection shall be documented for subsequent NRC review.
- 4. Inspect the Reactor Building Plant vent monitor to verify its operability and the absence of resin in the sampling system. The results of this inspection shall be documented for subsequent NRC review.
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- %i 1 6 JUN hot Boston Edison Company M/C Nuclear 2
- 5. Establish a surve111arce and preventative maintenance program for contaminated ventilation exhaust systems to ensure exhaust filter integrity. This program will also include provisions for system inspection to identify resin accumulation.
- 6. Provide to this office by July 15, 1982 a report detailing the history and extent of the duct contamination, its causes, the circonstances surrounding the release of the resin, and the amount and extent of onsite and offsite releases of radioactive material. This report will also describe the corrective actions taken and the additional management oversight initiated to prevent recurrence.
I The response directed by this letcer is not subject to the clearance procedures of the Office of Management and Budget as required by the Paperwork Reduction Act of 1980, PL 96-511.
If our understanding of your planned actions described above is not in accordance with your actual plans and actions being implemented, please notify this office by telephone within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of your receipt of this letter.
Y'our cooperation with us in this matter is appreciated.
Sincerely,
< r
-)
. Starostecki, Director y sion of Project and Resident rograms cc w/en:1: ,
A. V. Morisi, Manager, Nuclear Operations Support R. D. Machon, Nuclear Operations Manager - Pilgrim Station Public Document Room (PDR) ,
Local Public Document Room (LPDR)
Nuclear Safety Information Center (NSIC)
Commonwealth of Massachusetts (2)
NRC Resident Inspector l
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