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Mechanical device consists of “an aluminum frame with a lever for
attaching an 8-[centimeter] cm-in-diameter, 1.1 kg disk,” (Thomas, et
al., 2004) with a rubber coating on 1 side.  The rubber coated side of
the disk is covered with parafilm and the sampling media (e.g., a wetted
polyester wipe).  The distance that the disk can slide, within the
interior track of the aluminum frame, is adjustable.

Thomas, T. A., et al. 2004. The Development of a Standard Hand Method
and Correlated Surrogate Method for Sampling CCA (Pressure)-Treated Wood
Surfaces for Chemical Residue. Journal of Children’s Health, Vol. 2,
Nos. 3-4, p. 186.

Wipe Device Exhibited for Panel Members and the Public During the
November 15-16, 2006 FIFRA SAP Meeting on Studies Evaluating the Impact
of Surface Coatings on the Level of Dislodgeable Arsenic, Chromium, and
Copper from Chromated Copper Arsenate (CCA)-Treated Wood				Page   PAGE 
1  of   NUMPAGES  2 

