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Significance and Use
This practice describes the symptoms and causes of an acid degreaser as well as methods for correcting the problem.
This practice is intended as a reference for use by persons responsible for the operation or maintenance of vapor degreasers or stills.
This practice is not intended to cover every possible situation.
1.1 This practice covers the procedures required for recognizing and handling an acid vapor degreaser or still.
1.2 If the degreaser(s) is equipped with a still, follow the procedure in this practice for all of the equipment.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Federal Regulations29CFR1910.146, Permit-Required Confined Spaces Available from U.S. Government Printing Office Superintendent of Documents, 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http://www.access.gpo.gov.
D2110 Test Method for pH of Water Extractions of Halogenated Organic Solvents and Their Admixtures
D2942 Test Method for Total Acid Acceptance of Halogenated Organic Solvents (Nonreflux Methods)
D3698 Practice for Solvent Vapor Degreasing Operations
D4276 Practice for Confined Area Entry
ICS Number Code 25.220.10 (Surface preparation)