Mr. Balasubramanian,
If that is all that there is that are "homogeneous materials that are
mechanically separable", then yep, that's the list.

I presume #3 is metallic, in which case only #1 could conceivably have
Cr(VI) in it.  If you check with XRF and there is no Cr at all, you're
done.  If there is more than 0.1%, then you have to use the chemical
method to check for Cr(VI).
Bev
RIM

-----Original Message-----
From: Leadfree [mailto:[log in to unmask]] On Behalf Of Balasubramanian
Krishnan
Sent: August 3, 2006 3:04 AM
To: [log in to unmask]
Subject: [LF] Cr6 testing in cables which method is correct IEC TC111
section 9 or section 10?

Dear Experts,
      IEC TC111 section 9 describes ISO 3613:2000(E) as the method to be
adopted for determining Cr6 on metallic samples. IEC TC111 section 10
describes EPA  3060A & EPA  3060A as the method to be adopted for
determining Cr6 on polymer materials and electronic compounds.
      For the USB cables which method is to be adapted for Cr6
determination? I guess below are the homogenous parts for a cable or is
there a big list of homogenous parts in a cable?
1. The sheathing material used as insulation
2. The conductor.
3. The braid used for shielding.

Sincerely

K.Balasubramanian
Project Leader - Hardware.

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