ML19323H450
| ML19323H450 | |
| Person / Time | |
|---|---|
| Site: | Vallecitos File:GEH Hitachi icon.png |
| Issue date: | 04/15/1980 |
| From: | Advisory Committee on Reactor Safeguards |
| To: | Advisory Committee on Reactor Safeguards |
| Shared Package | |
| ML19323H451 | List: |
| References | |
| ACRS-1691, NUDOCS 8006130011 | |
| Download: ML19323H450 (11) | |
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MEETING DATE:
11/14/79 ISSUE DATE:
4/15/B0 MINUTES OF THE ACRS SUBCOMMITTEE MEETING ON THE GENERAL ' ELECT BURLINGAME, CA The ACRS Subcommittee on the General Electric Test Reactor (GETR) met on November 14, 1979 at the Marina Hotel in Burlingame, CA to review the geologic and seismologic aspects of the GETR site.
Requests for oral presentations were received from Mrs. Helen Hubbard and Mr. Andrew Baldwin.
Selected handouts are attached to these minutes. A complete set of handouts received at th'e meeting is on file with the Office Copy of the minutes.
Dr. W. Kerr, Chairman of the Subconmittee, opened the meeting and introduced Drs. Mark and Okrent as members of the Subcommittee and Drs. Philbrick, Thompson, Maxwell, Pomeroy, Pickel, and White as Subcormiittee consui w. ts.
GENERAL ELECTRIC COMPANY PRESENTATION Mr. R. Darmitzel, Manager of the Irradiation Processing Operation, Nuclear Engineering Division, at the Vallecitos nuclear site, was the spokesman for the General Electric Company.
In his introductory statement, Mr. Darmitzel stated that after extensive geological investigations and supporting studies during the past two years, GE disagrees with the Sta'f's position regarding the origin of the features observed at the base of the hills near GETR and with their assesment of faulting and landsliding hazards at the site.
Mr. Darmitzel summarized GE's position regarding the geologic and seismologic
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aspects of the site:
1.
The origin of the-low-angle shear-like structures observed at the GETR site cannot be absolutely determined. However, GE's consultants and the California Division of Mines and Geology (CDMG) believe the most probable origin is large-scale landsliding. The postulation of a tectonic origin conflicts with the observed physical evidence.
THIS DOCUMENT CONTAINS PODR QUAUTY PAGES 80061306//i
t
. 11/14/79 GETR 2.
Evidence shows that the postulated Verona Fault does not connect with any faults to the northwest or to the east, limiting the length of the fault to about 8 km.
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No surface displacement or offset has occurred in the vicinity of the Vallecitos site in the past 800 years.
A maximum offset of three feet has occurred at one point in the site in the past 10-20,000 years.
4.
No offset was observed on any plane which, if extended, would break the surface beneath the GETR plant. Faulting has not occurred in the foundation area of the reactor for at least 128-195,000 years.
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5.
The probability of any future offset of any sizt occurring i
at the foundation of the GEjR site is calculated conserv-atively to be less than 10- per year.
6.
Measurements indicate that the average rate of strain relief over at least the last 70-125,000 years is ex-tremely low, about two-thousandths of an inch per year.
This rate is at least two orders of magnitude lower than for a system such as the San Fernando Fault, and comparison of the tectonic structure of the San Fernando Fault system to the postulated Verona Fault system indi-cates that its use as a model is not applicable.
The 2.5 meters of surface offset proposed by the Staff 7.
cannot be generated by a minor fault such as the Verona Fault. One meter of offset on the oberved shears is a conservative value.
A ground acceleration of 0.56g associated with a 7.5 8.
Richter magnitude earthquake on the Calaveras Fault is a conservative value. For the sake of expediting the review of GETR, an 0.80g horizontal ground ac-celeration value was used to evaluate the GETR struc-tures and systems.
fir. R. Harding of Earth Sciences Associates (ESA) next gave a brief description of the' scope of the geological investigation, which included the items listed -
below:
A review of literature available, published and unpublished, including reports of private consultants, oil well data, water well data, and geophysical data was made.
Aerial photo interpretation was performed which included examination of at least six sets of black and white stereo pairs,- one set of color stereo pairs, and one high altitude color IR set.
11/l4/79 GETP Aerial reconnaissance was conducted by taking overflights of the area and shooting pictures on several occasions in different seasons of the year at different times of day including times of low sun angle.
Detailed field mapping was conducted around the GETR site and at selected locations throughout the Livermore Valley looking at outcrops of significant features.
Subsurface exploration included over two miles of trench excavations.
Soil stratigraphic studies were conducted in order to determine the age of the soils at the site.
Geophysical studies performed included seismic refraction surveys, high-resolution shallow seismic reflection surveys and shear wave velocity measurements.
Engineering studies were performed to determine slope stability and liquefaction potential of the GETR founda-tion area.
Groundwater studies were performed that inicuded mapping of springs and wells. Water levels a: well as water quality studies were made.
Mr. D. Hamilton of ESA discussed the regional geologic and tectonic features of the GETR site. Highlights of his presentation are summarized below:
The faults, folds, and rock units are predominantly northwest-trending structures.
l The regional stress pattern -- right transform shear -- corresponds j
to a north-south compression.
The geologic, geophysical and well data indicate that the Livermore Valley has been a subsiding basin since at least Pliocene.
The Los Positos Fault is a relatively minor cross-structure in the southeast corner of Livermore Valley.
There is no evidence to extend the Los Positas Fault to the south-west across Livermore Fault.
D. Vadon of ESA discussed the site geolog9. The initial Phase I Geologic Mr.
The investigation mapped the Verona Fault and associated photo lineaments.
work included review of the existing literature, photo interpretation of the associated lineaments, and limited. trenching.
e
GETR 11/14/79 The conclusions of the Phase I investigation are listed below:
The Livermore gravels consist of three distinct mappable units.
Stratigraphic relationships preclude post-livermore gravels faulting through Foley No. I well.
Unbroken QT lirnits extension of mapped fault traces along m
strike to S Evidence sited for NW end of Verona Fault more readily explained by other geologic conditions.
Postulation of faulting from hill front to NE constrained to narrow gap in Highway 84 pass area.
The NRC reviewed the Phase I work and requested additional investigations.
This additional work is listed below.
Determine the NW end of the mapped Verona Fault.
Interpret the photolineaments/well spots southwest of GETR.
Determine the character and limits of the ancient landslide compl ex.
The results of the NRC requested investigation are listed below.
Found unfaulted stratigraphic sequence of Livermore gravels across mapped trace of Verona Fault.
Detemined previously unmapped fault in the pass area.
0 Strikes N65-70 W, dips 70-75 NE Last movement predominantly strike-slip Component of apparent East-down offset Found two additional low-angle shears in Vallecitos Valley SW of GETR.
Found several high-a,ngle tensional breaks of indeterminate offset in Vallecitos Hills.
C 11/14/79 GETR Mr. R. J. Shlemon of Roy J. Shlemon and Associates, next discussed soil stratigraphy and age dating. A summary of his presentation is listed below.
The presence of quaternary markers were found in a) widespread
)
limestones and b) regional, destinctive buried paleosol.
The age of the markers indicates that a) the last stoneline/
colluvium / modern solum is less than 20,000 years, b) there is a strongly developed paleosol of about 70,000-125,000 BP, c) multiple buried paleosols were found in trench H, and d) the last displacement occurred about 125,000 years ago at GETR.
Displacement of markers indicates a) multiple movements of some slip surfaces, b) maximum displacement of about 3 ft.;
early Holocone, and c) maximum displacement of about 12 ft.;
70,000-125,000 years BP paleosols.
Mr. R. C. Harding next presented the geologic investigation conclusions.
They are as listed below.
- 1., Landslide Origin
- There is no conflict with regional tectonic setting.
The number, attitude, and character of the features are consistent with relationships expected in large landslide compl ex.
The age of the landscape is sufficient to allow signi-ficant errosion of headscarp.
Pleistocene landslides are common in Callifornia.
The renewed movements of Pleistocene landslides resulting from seismic events are common.
2.
Thrust Fault Origin Thrust fault is difficult to fit into the given geologic setting.
The directions of slip on shears are inconsistent with regional tectonic setting. _
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GETR 11/14/79 3.
Conclusion on Origin of Shears From the investigation, landslide is the most reasonable, if not conclusive interpretation.
4.
Summary of Conclusions Ancient lanslide is the most reasonable origin of shears at the GETR site.
To be conservative, a tectonic origin is assumed.
i Based on observed geologic data, the assumed fault zone has the fol'.owing characteristics:
Length about 8 kilometers I
Maximum expected offset about one meter Future offsets most likely to occur on existing shears.
Mr. J. R. Benjamin of Jack R. Benjamin, Inc., discussed the application of probability methods in predicting offsets at the GETR site. He stated that j
the probability of a new offset intersecting an existing structure can be l
reliably forecasted based on available methods.
Mr. J. W. Reed of Jack R. Benjamin, Inc'.. presented a detailed discussion of probabilistic analysis of surface rupture offset beneath the GETR reactor building. The calculated probability of occurrence of a future surface rupture beneath the reactor building foundation is less than 10-6/yr. He believes the probabilistic analysis is conservative. He concludes, based on NRC's practice that events with probability less than 10-6/yr. need not be considered, that surface rupture offset should not be treated as a design basis event.
The Subcommittee suggested that the NRC, Staff review the probabilistic analysis of the GETR site.
The Staff's conclusion on surface offset made use of work by Slemmons, in 1977. Data obtained by Slemmons lead to a prediction that a fault length of 12-15 kilometers will produce an offset of 2-3 meters.
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b GETR 11/14/79 The Staff feels that the acceleration of 0.56g proposed by GE is low and that a value of 0.8 to 1.0g should be used. GE stated that 0.8g will be used for expediency.
The Subcommittee meeting was adjou..rned at 6:30 p.m.
4 NOTE: A complete trans.cript of the open sessions of this meeting is on 4
file in the NRC Public Document Rocm at 1717 H Street, NW, I
Washington, DC or can be obtained from Ace Federal Reporters, 444 florth Capitol Street, NW, Washington, DC.
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30, 1979 / N;tices r
Federal Regist:r / Vcl. 44. Ni 211 / Tuisday, October 584 320 p.a-Chairm.n's Summary of Dated. October 24. ters.
Conclusions and Fin 9ae of the mments received will be avallable for RuseeU Kitchie, Subcommittee.
blic inspectlin with the application Deputy Associate Adninistratorforhternof 3:15 pa-Adjourn.
Nets.-Arrangements have been made for r exemption at the address set forth Aelations.
a briefing on the status and summary of ya omassone ru.s so sm aos==1 Voyeser 2 results for thew members and
>ove.
antaen ecos nwet.as attenden who are interested.
DPosed Exempha Based on the facts and For further information regarding the epresentstions set forth In the (Notice (79-44)]
meeting, please contact Louis B. C. Fong.
pplicction.the Department isnsidering granting the requested
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NASA Advisory Council (NAC), Space Executive Secretary of the g
aemption under the authority of section andTerrestrial Appilcations Advisory Subcomm:ttee. Washington, D.C. (202)
B Committee (STAAC); Meeting 755-7450.
06(s)of the Act and section 4975(c)(2)
The AdHocInformal Advisory Reneet! n chie.
if the Code and in accordance with the AssociateAdministrotorfornternd 3rocsduns sit forth in ERISA Proce ure Subcommittee on Geodynamics and d
Dem,%
Geology of the NAC-STAAC will meet PS-1 (40 FR 18471. April 28,1975). lf the 3,j on November 27 and 28,1979 at the Jet exemption is granted, the restrictions ofsections (36(a). 406(b)(1) and 406(b)(2) of ggm y, _,, g Drive. Pasadena. CA 91003 in Building
,,1,,, en,,,,m the Act and the taxes imposed by Dction 4975 (a) and (b) of the Code,by No.180. Room No.101. The meeting will coason of section 4975(c)(1)(A) through be open to the public. Members of the UCLEAR REGULATORY public will be admitted to the meetingN (E) of the Code shall not apply to thesale of a. citrus grove, not to include the COMMISSION on both days on a first come, first-growing crop. legally described as Lots served basis and will be required to signdvlacry Committee on Reactoe A
22 cnd 23 of Lakeview Heights. Orange a visitors' register.The seating capacity afeguards, Subcommittee on the S eneral Electric Test Reactor (GETR);
County, Florida,by the Plan to Dill of the meeting roomis for 80 persons.
G This Subcommittee, chaired by Dr.
Properties for cash consideration.)f Meeting Sec.500 provided that this amount is not MichaelChinnery,is comprised of De ACR3 Subcommittee on the less than the fair market value of the twelve members of the NAC-STAAC eneral ElectricTest Reactor (CETR) and will review and dascuss status of Gwillhold a meeting on November 14, time of sale.
The proposed exemption. ii granted,both the Geodynamics and the Non-979 at the Airport Marba Hotel.1380 will br subject to the express conditions Renewable Resources Programs. s Bay Shore Boulevard.SanFrancisco CA 1
that the material facts and including various specific activitie to discuss seismic design requirements within these programs as indicated in npresentstions contamedin theapplication are true and complete. and the approved agenda below:
recent geologic investigation. Notice of that may be imposed as a result of that the ap lication accurately describes November 27.1979.
this meeting was published October 18.
antto$
1979 (44 TR 80178).
t p Time and topic In accordance with the procedures exemption.
900 a.m.-Chairperson's Remarks.
outlined in the Faderal Register on October 1.1979.(44 FR 56408) oral or Signed at Washington.D.C., this fath day 9:30 an-NASA's Response to Subcommittee's Concerns.
written statements may be presented by af October 1979-10:00 am Geodynamics Program Status. members of the public, recordings wiD tan D. Lanoff.
Administmror. Pension and Ire.'fon Benefit 10 45 am Crustal Dynamica Project: Sitebe permitted only during those portions Locations.
of the meeting when a transcript la being progmms, l.obor. Management ScrvicesAdministmrion. U.S Department of Labor.
11:45 am Mobile Very Long Baseline kept, and questions may be asked only in o e w m m r w w ar mses.=1 Interferometer (VLBI) Plans and by members of the Subcommittee.its consultants, and Staff. Persons desiring sumo coac as+s**
- Status, to make oral statements should notify
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1:30 pm Non. Renewable Resources Program Status.
the Designated Federal Employee as far NATIONAt. AERONAUTICS Ai!D 2:30 pm Scientific Applications of In advance as practicable so that appropriate arrangementa can be made SPACE ADMINISTRATION Stereosat.
3:15 p.m. Status of Planning for the Earth to allow the necessary time during the NASA Advisory Council (NAC). Space Resources Synthetic Aperture Radar meeting for such statements.
The agenda for subject meeting abau
' * 'Y System.
mitt P
tlng 400 p.m. Tour of Mobile VLBI Facilities.be as follows: Wednesday. November The November 1.1979 meeting of the 500 pm Adjourn.
24.1979. 8:30 an until the conclusion of Informal Executive Subcommittee of the 3y,f,,,,,
Space Systems andTechnology
. November 28,1079 The Subcommittee may meetin Advisory Committee has been 8:30 am-Overview of IPL Activities in Executive Session, with any ofIta
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the Non Renewable Resources consultants who may be present to postponed until mid. December. Notice of this meeting was published explore and exchange their preliminar ld y
in the Federal Register as NASA Notice 9:15 am--Current Research inHermal opinions regarding matters which shou Program.
79-64 on Friday. October 12.1979, page Infrared Remote SensingTechniques be considered during the meeting and J
to 10:15 am-History and Results of the formulate a report and 59021. FR Doc. 79-31478.
For further information, please contact joint NASA /CEOSATTest Case recommendations to the full Committe e.
At the conclusion of the Executive Mr. C. Robert Nysmith. Executive Project.
n 755-3252. NASA 1:00 pm--Subcommittee Discussion o Session.the Subcommittee will hear Secretary (202) Code RP-4, Washington, Ihadquarters.
. Program Activities and Future Plana DC 20546.
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Feder:.1 Regist:r / Vol 44. Ns. r11 / Tuesd:y. Oct:ber 30. 1979 / N;tices 3238 presentations by and bold discussions Enterprises. Ltd. Mr. W11bam C. Goodall the sale of 5.000 shame of comm:n with representeines of the NRC Staff, is an officer. director, and holder of 52 stock.
the General Dectr e Company, and their percent of the common stock of Peter ne applicant will moduct its l
consultents. periment to the above Carlton Enterprises. Ltd. Mr. Goodall is activities primarily in the State of topics The Subcommittee may then also is a director of CCVI.
caucus to determme whe'her the matters ne proposed transaction falls within Applicant intends to provide idenufied in the m6tial session have the purview of Section 10*.1104 by assistance to all qualified sodally or been adequately covered and whether reason of fact that Mr.Goodallis an economically disadvantaged small the project is ready for review by the associate of the Lcensee through his business concerns as the opportuni'y to fu2 Committee.
dual directorships.
pmfitably ass!st such concerns is in addition. It may be necessary for Notice is hereby given that any presented.
the Subcommittee to bold one or more interested person may submit to SBA As a small business investment closed sentons for the purpose of written comments. no later than 15 days conapany under Section 301(d) of the emplorma matters insolving proprietary Imm the date of publication of thJs Act, the appbcant has been organized information I hase determmed,in notice, on this proposed fmancing. Any and chartsred solely for the purpose of accordance with Subsection 10(d) of such communication should be performing the functions and conductmg Pubbe Law 92-463 that. shoud such addressed to. Acting Associate the activities contempleted under the sessions be required. it is necessanry to Administrator for Fmance and SmaU Business Investment Act of 1958.
close these sessions to pro'ect Investment. SmaU Business as amended, from time to time. and will proprietary informstion (5 U.S C.
Administration.1441 L Street. N.W, provide assistance solely to small 552b(c)(4)1 Wa shington. D C. 20416.
business concerns which will contribute Further information regarding topics A copy of this notice shall be to a well balanced national economy by to be distuned whether the meeting pubhshed by the hcensee in a facilitating ownership in such concerns has been cancelled or reachedaled. the newspaper of general circulation in by persons whose participation in the Chairman's ruhng on requests for the Chic.ago, Dhnois.
free enterprise system is hampered because of social or economic opportunity to present oral statements (Catalog of Federal Domestic Asatatance and the time aUotted therefore can be prog.am No 50 011. SmaU Businen dindvantages.
Matters involved in SBA's obtained by a prepaid telephone call to Investment Companies!
consideration of the applicant include the Designated Federal Employee for Deted October 22. tr9 the general business reputation and this meetmg Mr. Elpidio G. Igne Peter F. M6elah, character of the proposed owners and j
(telephone 202/634-3314) between 815 W Asseu' Ad&mrhthece management, and the probability of a.m. and 5 00 p m.. EST.
andinvest2nent.
successful operations of the appucant Dated Oc*oter 23. tre p, o
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under this management,includeg lehn C Ho>te.
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Adusory Committee Management Officer.
soundness, in accordance with the Small
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Business Investment Act and the SBA Rules and Regulations.
Colorado Equity Capital CoeP4 Notice is hereby given that any person ppHea nf r cense To Operate as may, not later than 15 days from the SMALL BUSINESS ADMINISTRATION a Smat! Business investment Company date of pubbcation of this notice, submit ta SBA written comments on the i
(Ucenes Na 05/05-50H)
An application for a bcense to operate proposed applicant Any such as a small business investment company communication should be addressed to Chicago Community Ventures. Inc.;
under the provisions of Section 301(d) of Filing of App!6 cation for Approval of the SmaU Business investment Act of the Acting Associate Administrator for Financa and Investment. Small Business Conflict of Intereet Transaction 1958, as amended (15 U.S C. 861 et seq.).
Administration.1441 L Street. NW.,
Betwun Auociatu has been filed by Colorado Equity Notice is hereby given that Chicago Capital Corporation (applicant), with the Washington. D.C. 20416.
Community Ventures, Inc. (CCVI).19 Srnall Business Administration (SBA).
A copy of this notice shall be South La Salle Street, Chicago. Illmois pursuant to 13 CR 107.102 (1979).
pubbshed in a newspaper of general circulation in Denver. Colorado.
00603. a Federal bcensee under Section The officers. directors and 301(d) of the Small Builnen Investment stockholders of the applicast are as (Catalos of FederalDomntic Assistance Act of 1958. ae amended (15 U.S.C. 601 foUows:
Program No se 011. SmaU Bu.'no a Investment Companies) et seq.). has filed an apphcation Edward R. Lucero.10370 W.18th Place.
Peter F. McNaiah, pursuant to 13 CFR 107.1004 (1979) for Lakewood. Colore do 80215. President.
approval of s confhet ofintereet Director. Genera! Managen 100 percent Deputy Associate Ad2ninistrotorformance transaetion Stockholder.
2dinvestanenc
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CCVI wae bcensed by the Small lamn R. Krendl.1121 Humboldt. Denver.
ya n,wsus ruwimm mes ]
Busineee AdmirQtrstion(SBA)on June Colorado 80218. Secretary. Treasurer.
salaio coot seams l
14.1972. The licensee's voting stock is Director.
owned by 17 !arge Chicago. based Roger C Cohen. 4949 South Birch Stre-t.
Uttleton. Colorado 80121; Director.
(Declaration of Disastee Loan Area No.
busineeses.
g CCVIis currently considering ite apphcant a Colorado corporation 17191 financing Peter Carlton Enterpnses. Ltd with its.rincirst place of business Illinois; Declaration of Disaster Loan engaged in estabbshing a chain of located at 2000 Arapahoe Street.
Area
Popeyes Famous Fried Chicken" fast Denver. Colorado 80202. will begin food restaurants, by purchaelng $100.000 operations with $500.000 of peld in White' County and adjacent counties of the preferred stock of Peter Carlton capital and pald in surplus delived from within the State ofIllinois constitute a
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TENTATIVE E HEgJLE, ACRS SUBCOMMITTEE MEETING ON 1ME GENERAL ELECTRIC TEST R%Cr04 (GETR)
SAN FAANCISC0, CA OWMdEA 14, 1979 APMXIMTE TIME 8:30 a.m.
I.
EXCLTTIVE SESSI0r; (OPEN)
II.
PRESEh7ATION BY GENERAL ELECTRIC 9:00 a.m.
A.
IntrodJetion - R. W. Darmitzel, Manager, GE 9:15 a.m.
B.
Geologic Investigation Results 11:00 a.m. - 11:15 a.m.
BREAK 12:15 p.m.
C.
Soil Stratigraphy 1:15 p.m. - 2:15 p.m.
LUNCH 2:15 p.m.
D.
GeoJcqy Overview-E.
Probability Risk Assessment for 3:00 p.m.
Sarface Offset 4:00 p.m. - 4:15 p.m.
BREAK III.
PRESEWAT*0N BY NRO STAFF & CONSULTANTS A.
Introduction - C. Nelson, Licensing Project Manager, NRC 4:15 p.m.
4:30 p.m.
B.
Geologic & Seismologic Sumary 5:00 p.m.
C.
U.S. Geologic Survey 5:30 p.m.
D.
Univ. of Nevada 6:00 p.m.
IV.
EXEUCTIVE SESSION (OPEN)
V.
CAUCUS WITH NRC STAFF AND GENERAL ELECTRIC 6:30 p.m.
7:00 p.m.
VI.
ADJOU!UMENT
ACRS SUBCOMMITTEE MEETING ON THE GENERAL ELECTRIC TEST REACTOR (GETR)
BURLINGAME, CA NOVEMBER 14, 1979 ACRS NRC STAFF W. Kerr, Chairman G. Zwetzig D. Okrent W. Burkhardt J. C. Mark D. Swanson P. Pomeroy, ACRS Consultant R. Reid
- 5. Philbrick, ACRS Consultant W. Gammill G. Thompson, ACRS Consultant J. Greeves J. Maxwell, ACRS Consultant R. Jackson T. Pickel, ACRS Consultant C. Nelson M. White, ACRS Consultant E. Igne, Designated Federal Employee U.S. GE0LCTGICAL SURVEY 3
GENERAL ELECTRIC COMPANY D. Herd E. Brabb E. Strain R. Morris D. Crowley J. Devine W. Pier H. Stone G. Edgar EARTH SCIENCES ASSOCIATES D. Gilliland G. Hoggatt R. Meehan K. Gallen D. Yadon R. Watkins D. Hamilton A. Levine R. Harding R. Darmitzel R. Wright C. Willingham J. R. BENJAMIN & ASSOCIATES WILLIAM COTTON & ASSOCIATES J. Reed J. R. Benjamin W. R. Cotton MEMBERS OF THE PUBLIC F. R. Ulrech, Self
_ Mrs. F. R. Ulreuh, Self H. Hubbard, Citizens for Total Energy R. H. Jahns, Consultant D. Martin, Tri-Valley Herald C. M. Payne, TERA Corp.
R. Shlemon, Consultant GETR A. Baldwin, Rep. Dellum,s, Friends of the Earth B. Shockley, Friends of the Earth, Alameda County Planning Commission M. Ross, Lawrence Livermore Lab.
J. Miller, Oakland Tribune K. Mcdonald, Valley. Times