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0 (A) There has been an equipment or mechanical failure during the conduct of a treatability study rendering the treatability study sample unsuited for study. (B) There is a need to repeat a portion of a previously conducted treatability study. (C) There is a need to study and analyze alternative techniques within a treatability study and these multiple techniques required greater total sample size. (D) The treatability study design cannot produce verifiable results without greater quantities of a sample. (6) A generator applying for an exemption pursuant to subdivision (e)(5) shall submit all of the following information in writing to the department: (A) The reason why the generator or agent of the generator requires an additional quantity of a treatability study sample for the treatability study. (B) The quantity of the treatability study sample for which the exemption is requested. (C) Documentation accounting for all samples of treatability study samples from the waste stream that have previously been sent for, or undergone, treatability studies, including the dates of each previous treatability study sample, the quantity of each previous treatability study sample, the laboratory or testing facility to which each treatability study sample was shipped, what treatability studies were conducted on each treatability study sample shipped, and the results of each treatability study. (D) If the generator cites paragraph (C) of subdivision (e)(5) as the basis for the exemption, a description of the proposed technique or techniques to be evaluated. (E) If the generator cites paragraph (A) of subdivision (e)(5) as the basis for the exemption, information regarding the reasons for the failure or breakdown and what procedures or improvements 10 have been made to protect against further breakdowns. (f) Samples Undergoing Treatability Studies at Laboratories and Testing Facilities; (1) Except as provided in subdivision (f)(2), Chapter 6.5 of Division 20 of the Health and Safety Code, and division 4.5 of this title, do not apply to any treatability study sample undergroing a treatability study, and those activities of the laboratory or testing facility, including transportable treatment units, conducting a treatability study, that are activities exclusively devoted to, and in support of, the treatability study conducted on a treatability study sample, if all of the following conditions are met: (A) If a group of two or more transportable treatment units are located at the same site, the requirements specified in subdivision (f)(1) apply to the entire group of transportable treatment units collectively as if the group were one unit. (B) Not less than 45 days before conducting the treatability study, the facility notifies the department in writing, that it intends to conduct a treatability study pursuant to this subsection. (C) The laboratory or testing facility conducting the treatability study has an Environmental Protection Agency identification number. (D) Not more than a total of 250 kg of treatability study samples are subjected to initiation of treatment in all treatability studies in any single day. (E) The quantity of treatability study samples stored at the facility for the purpose of evaluation in treatability studies does not exceed 400 kg, the total of which may include not more than 200 kg of soil, water, or debris contaminated with extremely hazardous waste or 1 kg of extremely hazardous waste. This quantity limitation does not include either of the following: