10 CFR 50.71(e) - Maritime Administration - U.S. Department of ...

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Updated Final Safety Analysis Report - (STS-004-002)samples collected from the non-radiological areas of the ship were not analyzed. Those samples, whichwere collected, were transferred to MARAD for potential future analysis.Personnel used existing vessel data, visual surveys, and sample collection/chemical analysis as part of thehazardous material characterization effort. Prior to the sampling effort, personnel reviewed availabledetails of the vessel’s infrastructure and operational equipment for potential sources, amounts, andrelative hazards of potential contaminants. Target sampling items and locations were indexed and locatedon vessel schematics.13.2.1 Asbestos-Containing MaterialUsing available information and visual surveys, potential asbestos-containing materials (ACM)were identified, indexed, and mapped. This effort took place within both the radiological andnon-radiological parts of the ship. Within the radiological spaces, samples of potential ACMwere collected, mapped, and photographed. These samples were analyzed by an off-sitelaboratory (Aerosol Monitoring and Analysis, Lanham, Md.). Most of the samples analyzedfrom the radiological areas of the vessel contained asbestos (i.e., both Chrysotile and Amosite).13.2.2 Lead-Based Paint13.2.3 LiquidsThe lead-based paint (LBP) testing was performed with a Radiation Monitoring Device (RMD)Model LPA-1 X-ray fluorescence analyzer (XRF) to rapidly lead content quantification inpaints throughout the vessel. The LPA-1 XRF is capable of achieving a 95% confidence levelin readings to a depth of 3/8-inch. Representative locations were analyzed to quantify leadcontent in real-time using XRF techniques. Excluding calibrations, 523 readings on theaccessible painted interior and exterior surfaces of the NSS were collected. Of the 523readings, 57 were ≥1.0 mg/cm2 (the value at which the state of Virginia classifies materials as“lead-containing.”).The location of equipment and tanks which potentially contain fuels, lubricants, and coolantswere identified and noted on vessel schematics, and an index was compiled. Samples of liquidsidentified on the ship were collected for material characterization to assist in futuredecommissioning activities. This effort included both aqueous samples and oils.Samples collected from the non-radiological areas of the ship include hydraulic oils from thewinches and steering gear, and lubricating oils from the boat emergency generator. Liquidsamples collected from the radiological area included water and oil from the sump in the lowerreactor compartment area, hydraulic oil from containment, and lube oil and hydraulic oilcollected from the ship stabilizer compartments.Oils were analyzed for total halogen content and PCBs, and the water sample was analyzed forvolatile organic compounds (VOCs), semivolatile organic compounds (SVOCs), and metals.Analytical results for the liquid samples collected from the radiological areas of the boat wereanalyzed and summarized in Table 13-13. Halogens and PCBs were detected in the reactorcompartment sump oil, control rod drive mechanism hydraulic, and hydraulic oil in thestabilizer compartments. Metals were detected in the reactor compartment sump water.Volumetric estimates of the remaining liquids were not determined.Rev. VI 146
Updated Final Safety Analysis Report - (STS-004-002)Table 13-13 Radiological Spaces Liquid Sample SummarySample IDUnitsReactorCompartmentSump (oil)ReactorCompartmentSump (water)Containment(hydraulic oil)StabilizerCompart-ments(hydraulic oil)StabilizerCompart-ments(lube oil)MetalsPCBsTotalhalogensCadmium mg/L NA 0.02 NA NA NAChromium mg/L NA 0.3 NA NA NAMercury mg/L NA 0.00027 NA NA NALead mg/L NA 0.5 NA NA NAAroclor1016Aroclor1260mg/kg 76 NA 1180 28 BQL*mg/kg 197 NA 430 12 BQL*mg/kg 107 NA 242 73 BQL** BQL = below the quantification limit.13.2.4 Polychlorinated Biphenyls (PCBs)Polychlorinated Biphenyls (PCBs) are a concern for ships of the NSS’s vintage. Electricalequipment that potentially contains PCB-containing dielectric and electrical conduit was identifiedthrough review of vessel information and visual survey. In addition to the liquid oil samplescollected for PCB analysis, power transformers on the ship were inspected to evaluate PCB content.According to former members of the ship’s crew, power transformers on the boat were all dry-typetransformers. The vessel was checked for liquid-containing transformers by those involved with thecharacterization and none were found. However, based on the date of ship construction, it is likelythat capacitors in the fluorescent light ballasts present throughout the ship contain small quantities ofPCBs. After 1978, these ballasts were no longer manufactured using PCBs. Samples of lightballasts and electrical wiring were not collected for analytical testing as part of the characterization.Painted surfaces that contain > 50ppm PCBs may not be torch cut since combustion of PCBs isprohibited per 40 CFR 761.50. Alternatively, surfaces suspected or confirmed to contain PCBs mustbe “cleaned” by mechanically removing the paint at and around the burn line to prevent heating ofthe paint.Other non-liquid media may contain PCBs. Examples include: electrical cable, ventilation gaskets,grease, rubber applications such as electrical channel rubber and pipe hanger liners, adhesives, andRev. VI 147
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