April 10, 1975

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4C`lt 7 6 0 / James R. Loser, Esq. 2.231 Fourth Street,-IS. Washington, D. C. 0024

Dear Mr. Lesar:

1 ha This is in regard to Mr. Yarl(7. request under the rreedom of Informnti7J0 1,ct rlIA) laborator7 data concerning Johr r. assassination investigation.

In scoorazi/ nce with your reTc3st exi;re.11.1ed Jr. a telephone conversation with Special Arjent Tho.-;las U. gresson on April 3, 1975, for additional data Lcar4Ling neutron activation testing, I vrish to :vf.vise Irava compiled 54 pages o irradiation data and csicalatir used in neutron activation analyser. 1-' 4' 'CPC.

Counission Exhibit %mbar

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CB 567 Q2 1:11Pt fragmant fror frr%:.t cl.t.f4.011

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CE 842 Q9 J0141 C-7411:1C. .11 MAILED 7

GE 840 . APR 1.01975 014 frant.n fronl

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Jamas U. Lazar, Esq.,

These tt*nt; vill be furhi--1. tc at the copying feo of $5.40 which vr ., pre. authodzoi'l to charge in conncictir,n With the rzioarf7 Ll..ocu7lf!rte the FOIA.

With regard to Kr. Veisher j ret is the PDI copy er the 17. Edgar ECOV±Ir tvn Mr. 3. Lee Rat 1n datpe Au just 12, 11C4, pertair to thee: curbstone exa4irstion, I vie% to .!Ictvi. tltr origihal of thin document was Varzlis: to tt.7 Comission. A repreent4tive of the 1:tier,a1 has confirmed it is published with its', (-74cirort7's in the Warren Commisaior Reports as Slfai;eyf:c1t numtered 26, 27, 2e and! 34. In view f itr and availahility forpublic'inepftctiT-In. I a71 to release the FBI copy of this docuzyint %-hich Oiffe:2 fromtho original only with regard to intcmal, markin3s which aprear on the FtI copy. -

It is censielere, that the offer of r.0,:ac• of the 54 pasIne of the above-t3escri with that iiire,/dy fuiltizhe to fully to hie rest for eL,ectronic rinan activation ainlyses. tub contained ,eritt.an of BovemLer 27, 1974, and subsaqueLt CliLC-24r11-0 FE/ representatives opt: I;arch 14, 197:i.

You ray voll;th 'to contact Brauson of th -2.0/ £OL'1 Vnit At teIcLo.:- to arrange for delivery of therN2t docuts,

Sincerely youxs,

Clarence H. ilirector

1 - Uonorable nichael Ryan . Assistant United States Attorney Room 3421 United States District Courthouse 3rd Street and Constitution Avnnucy, S. 1-7. Washington, D.C. 20001

1 - The Deputy Attorney General Attention: Susan n.2 naus-r

1 - Assistant Attorney General Civil Division, Attn: _Mr. AwAlrpla

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