Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Will Wilson, regarding a legal question submitted for clarification: Whether expenses for attorney's fees and fees for an expert witness incurred in connection with a condemnation suit involving land being acquired for the erection of the State Archives and Library Building may be paid from the appropriation designated for the purchase of land for such building.

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This report covers the proposals and reactions from the Federal Data Center.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Waggoner Carr, regarding a legal question submitted for clarification: Whether moneys received from the sale of sand, gravel, marl and shell underlying state owned submerged lands should be placed in the Sand, Shell and Gravel Fund or in the Permanent Free School Fund; also, whether the Game and Fish Commission has the authority to petition the Corps of Engineers to refuse to grant submerged land oil and gas lessees of the State permits for structures to be placed on their submerged leases for oil and gas development and related question.

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"Dust and gas masks and respirators have been an effective method under certain environmental conditions to reduce the inhalation of toxic aerosols. Under many conditions, however, their efficacy has been seriously questioned. It is the purpose of this study to evaluation over-all respirator performance on fine aerosols and to develop equipment whereby a greater degree of respiratory protection may be assured with reliability for highly toxic atmospheres."

This report discusses The Causes of Urban Violence: Selected Articles.

A total of 661 animals was exposed to sharp''-rising overpressures of 3 to 4 msec duration using a shock tube of novel design which produced a pressure pulse similar to that obtained with high explosives. The reflected shock overpressures associated with 50% lethality were 29.0, rabbit, respectively. Other observations included the time of death in mortally wounded animals and gross pathological lesions likely to contribute to mortality. Selected data from the literature bearing upon the influence of overpressure and pulse duration on lethality were reviewed. These included pulse durations ranging from less than 1 msec to 8 sec. The critical pulse duration, that duration shorter than which the overpressures required for mortality increases sharply, was noted to depend upon animal size and to be of the order of many hundreds of microseconds to very few milliseconds for smaller'' animals and a few to many tens of milliseconds for larger'' animals. (auth)