(a) For purposes of this section, the following definitions apply: (1) âLaboratoryâ means a workplace where relatively small quantities of hazardous chemicals are handled or used in a manner that meets all of the following criteria: (A) Chemical reactions, transfers, and handling are carried out using containers that are designed to be easily and safely manipulated by one person. (B) Protective laboratory practices and equipment are available and in common use to minimize the potential for laboratory worker exposure to hazardous chemicals. (C) The chemical procedures conducted in the laboratory meet all of the following criteria: (i) The chemical procedures are conducted for purposes of education, research, chemical analysis, clinical testing, or product development, testing, or quality control. (ii) The chemical procedures are not part of the actual commercial production of chemicals or other products, and are not part of production development activities, unless the activities are conducted on the scale of a research laboratory. (iii) The chemical procedures are not part of the treatment of hazardous waste, other than the treatment of laboratory hazardous waste pursuant to subdivision (c). (2) âLaboratory accumulation areaâ means the area where laboratory hazardous wastes are accumulated pursuant to subdivision (b). The laboratory accumulation area may be located in the room in which the accumulated laboratory hazardous wastes are generated or in another onsite location. (3) âLaboratory hazardous wasteâ means hazardous waste generated in a laboratory by chemical procedures meeting the criteria specified in subparagraph (C) of paragraph (1). (b) Notwithstanding paragraph (1) of subdivision (d) of Section 25123.3, and except as otherwise required by the federal act, up to 55 gallons of laboratory hazardous waste, or one quart of laboratory hazardous waste that is acutely hazardous waste, may be accumulated onsite in a laboratory accumulation area that is located as close as is practical to the location where the laboratory hazardous waste is generated, if all of the following conditions are met: (1) The laboratory accumulation area is managed under the control of one or more designated personnel who have received training commensurate with their responsibilities and authority for managing laboratory hazardous wastes, and unsupervised access to the laboratory accumulation area is limited to personnel who have received training commensurate with their responsibilities and authority for managing laboratory hazardous wastes. (2) The laboratory hazardous wastes are managed so as to ensure that incompatible laboratory hazardous wastes are not mixed, and are otherwise prevented from coming in contact with each other. However, incompatible laboratory hazardous wastes may be mixed together during treatment meeting the requirements of subdivision (c), if one laboratory hazardous waste is being used to treat another laboratory hazardous waste pursuant to procedures identified in paragraph (1) of subdivision (c). (3) The amount of laboratory hazardous wastes accumulated in the laboratory accumulation area is appropriate for the space limitations and the need to safely manage the containers and separate incompatible laboratory hazardous wastes. (4) All of the requirements of subdivision (d) of Section 25123.3 are met, except for the requirements of paragraph (1) of subdivision (d) of Section 25123.3. (c) Notwithstanding any other law, and except as otherwise required by the federal act, a hazardous waste facilities permit or other grant of authorization from the department is not required for treatment of laboratory hazardous waste generated onsite, if all of the following requirements are met: (1) The laboratory hazardous waste is treated in containers using procedures in the following priority order: (A) Recommended procedures and quantities for treatment of laboratory hazardous wastes published by the National Research Counc
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