Class   588	HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT
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DESTRUCTION OR CONTAINMENT OF RADIOACTIVE WASTE

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. (1 indent ) By fixation in stable solid media

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.. (2 indent ) Cement, concrete, or hydraulic setting

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... (3 indent ) With additional solid material to enhance fixation of radioactivity

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.. (2 indent ) Bituminous

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.. (2 indent ) Resin or polymer; e.g., cellulose, polyethylene

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... (3 indent ) Ion exchange resin

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... (3 indent ) Polymer derived from ethylenically unsaturated monomer

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.. (2 indent ) Clay or claylike

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.. (2 indent ) Ceramic or ceramiclike

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... (3 indent ) Glass, glasslike, vitreous

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.... (4 indent ) Boron containing

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.. (2 indent ) Ion exchange material

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.. (2 indent ) Silicon containing

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.. (2 indent ) Metal containing

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. (1 indent ) Surrounding with specified material or structure

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. (1 indent ) Geological or extraterrestrial

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. (1 indent ) Chemical conversion to a stable solid for disposal

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.. (2 indent ) Incineration, calcination, pyrolyzing to obtain solid residue

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. (1 indent ) Treating radioactive liquid

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GERM WARFARE AGENTS DESTROYED

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PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE IN THE SUBSTANCES (EPO/ JPO)

Note: When classifying in subclasses 300-321, classification is also made in subclasses 400-415 to identify the hazardous substance.

301

. (1 indent ) By subjecting to electric or wave energy or particle or ionizing radiation (EPO/ JPO)

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.. (2 indent ) Electrochemical processes, e.g., electrodialysis (EPO/JPO)

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... (3 indent ) Electrolytic degradation or conversion (EPO/JPO)

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.. (2 indent ) Sonic energy (EPO/JPO)

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.. (2 indent ) Particle radiation, e.g., electron beam radiation (EPO/JPO)

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.. (2 indent ) Electromagnetic radiation, e.g., laser (EPO/ JPO)

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... (3 indent ) Gamma rays (about 0.003nm-0.03nm) (EPO/JPO)

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... (3 indent ) X-rays (about 0.03mn-3nm) (EPO/JPO)

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... (3 indent ) Ultraviolet radiations (about 3nm-400nm) (EPO/JPO)

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... (3 indent ) Microwave radiations (about 0.3cm-30cm) (EPO/JPO)

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.. (2 indent ) Plasma (EPO/JPO)

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. (1 indent ) By hydropyrolysis or destructive steam gasification, e.g., using water and heat or supercritical water, to effect chemical change (EPO/JPO)

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. (1 indent ) By reacting with chemical agents (EPO/JPO)

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.. (2 indent ) By treatment in molten chemical reagent, e.g., salts or metals (EPO/JPO)

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.. (2 indent ) By chemical fixing the harmful substance, e.g., by chelation or complexation (EPO/JPO)

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.. (2 indent ) Dehalogenation using reactive chemical agents able to degrade (EPO/JPO)

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.. (2 indent ) By hydrolysis (EPO/JPO)

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.. (2 indent ) Detoxification by using acid or alkaline reagents (EPO/JPO)

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.. (2 indent ) By reduction, e.g., hydrogenation (EPO/JPO)

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.. (2 indent ) By oxidation; by combustion (EPO/JPO)

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. (1 indent ) By heating to effect chemical change. e.g., pyrolysis (EPO/JPO)

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. (1 indent ) Harmful chemical substances made harmless, or less harmful, by effecting chemical change (EPO/JPO)

Note: Subclasses 401 through 404 form part of a multiple aspect schedule. Documents classified in one of these subclasses are normally also classified in subclasses 405 through 415 to identify the hazardous material.

401

.. (2 indent ) Chemical warfare substances, e.g., cholinesterase inhibitor (EPO/JPO)

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.. (2 indent ) Pesticides, e.g., insecticides, herbicides, fungicides, nematicides (EPO/JPO)

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.. (2 indent ) Explosives, propellants or pyrotechnics, e.g., rocket fuel, napalm (EPO/JPO)

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.. (2 indent ) Toxic combustion residues, e.g., toxic substances contained in fly ash from waste incineration (EPO/JPO)

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.. (2 indent ) Organic substances (EPO/JPO)

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... (3 indent ) Containing halogen (EPO/JPO)

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... (3 indent ) Containing heavy metals (EPO/JPO)

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... (3 indent ) Containing nitrogen or phosphorus (EPO/JPO)

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... (3 indent ) Containing oxygen, sulfur, selenium or tellurium, i.e., chalcogen (EPO/JPO)

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.. (2 indent ) Inorganic substances (EPO/JPO)

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... (3 indent ) Inorganic fibers, e.g., asbestos (EPO/JPO)

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... (3 indent ) Containing heavy metals, in the bonded or free state (EPO/JPO)

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... (3 indent ) Containing nitrogen phosphorus (EPO/JPO)

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... (3 indent ) Containing oxygen, sulfur, selenium or tellurium, i.e., chalcogen (EPO/JPO)

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... (3 indent ) Containing halogen (EPO/JPO)

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CONTAINMENT

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. (1 indent ) Chemical or germ warfare agents, or pathogenic organisms (e.g., sarin, VX, anthrax, virus, bacteria and medical waste, etc.)

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. (1 indent ) Geologic, marine, or extraterrestrial storage and containment (e.g., tectonic, volcanic, deep natural, manmade earth cavity, submarine placement sites, lunar, earth orbital, and solar placement, etc.)

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. (1 indent ) Treating a solid (e.g., clay, slag, spent sorbent, active carbon, etc.) to prevent gas emissions

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. (1 indent ) Solidification, vitrification, or cementation

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.. (2 indent ) In situ vitrification

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.. (2 indent ) Contains asbestos

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.. (2 indent ) Polymer or resin containing (e.g., foam, etc.)

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.. (2 indent ) Waste contains heavy metal (e.g., fly, ash, flue dust, and incinerator ash)

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... (3 indent ) And confined in a cement type material (e.g., concrete)

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. (1 indent ) Secondary containment

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. (1 indent ) With sensing, detecting, or monitoring

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MISCELLANEOUS

	CROSS-REFERENCE ART COLLECTIONS

900

APPARATUS

901

COMPOSITIONS

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

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