subchapter_subject: "TOXIC SUBSTANCES CONTROL ACT (CONTINUED)"
part_code: "792"
part_subject: "GOOD LABORATORY PRACTICE STANDARDS"
subpart_code: "G"
subpart_subject: "Protocol for and Conduct of A Study"
section_number: "792.135"
section_subject: "Physical and chemical characterization studies."
cfr_reference: "40 CFR 792.135"
title_name: "Title 40"
title_subject: "Protection of Environment"
parts_covered: "Parts 790 to 999"
revised_date: "Revised as of July 1, 2019"
publication_date: "As of July 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
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(a)All provisions of the GLPs shall apply to physical and chemical characterization studies designed to determine stability, solubility, octanol water partition coefficient, volatility, and persistence (such as biodegradation, photodegradation, and chemical degradation studies).
(b)The following GLP standards shall not apply to studies designed to determine physical and chemical characteristics of a test, control, or reference substance: