IEST publishes RP on cleanroom housekeeping

October 10, 2007 — /IEST News/ — ARLINGTON HEIGHTS, IL — A newly revised Recommended Practice (RP) from the Institute of Environmental Sciences and Technology (IEST) provides guidance for maintaining a cleanroom at the level for which it was designed, including a new test procedure to establish frequency, monitor effectiveness, and determine appropriate levels of surface cleanliness. IEST-RP-CC018.4: Cleanroom Housekeeping: Operating and Monitoring Procedures contains significant new information that makes the document a valuable resource for cleanroom owners and users.

The RP incorporates a new surface cleaning efficiency test method for nonviable particles. The test provides an automated measurement of surface cleanliness as it pertains to the efficiency of a wiping material to remove liquid contaminants from a surface. The document also has an expanded section on housekeeping equipment and supplies.

RP-CC018.4 will be included with registration for a Cleanroom Housekeeping tutorial on Wednesday, Nov. 14, 2007, at the annual Fall Conference sponsored by IEST. This hands-on demonstration session will allow participants to view firsthand the methods outlined in the RP. More information on the tutorial is available at

Anne Marie Dixon is the instructor for the tutorial and Chair of the IEST Working Group that revised the RP. She is owner and president of Cleanroom Management Associates, Inc., a consulting firm based in Carson City, NV, that specializes in competitive benchmarking, training, and auditing of clean and aseptic operations and management. Dixon has been actively engaged in the field of contamination control for more than 25 years. She is a Fellow and past president of IEST and chair of the United States Technical Advisory Group (US TAG) to ISO Technical Committee (TC) 209 Cleanrooms and associated controlled environments.

For more information or to order the document, visit or call IEST at 847-981-0100.

About IEST
Founded in 1953, IEST is an international technical society of engineers, scientists, and educators that serves its members and the industries they represent (simulating, testing, controlling, and teaching the environments of earth and space) through education and the development of recommended practices and standards. IEST is an ANSI-accredited standards-developing organization; secretariat of ISO/TC 209 Cleanrooms and associated controlled environments; administrator of the ANSI-accredited US TAG to ISO/TC 209; administrator of the ANSI-accredited US TAG to ISO/TC 142 Cleaning equipment for air and other gases; and a founding member of the ANSI-accredited US TAG to ISO/TC 229 Nanotechnologies.


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