> A chemist friend called me this weekend and asked if I had ever heard of a
> European "ECO" requirement.

Hi Ed,
How about the European eco-label ?
The requirements for labeling a computers with the "daisy mark"  are listed
in:
1999/205/EC: Commission Decision of 26 February 1999 establishing ecological
criteria for the award of the Community eco-label to personal computers
http://europa.eu.int/eur-lex/en/lif/dat/1999/en_399D0205.html

> His company makes polymer resins, and sells to
> molders in Europe who do injection molding of computer housings. He said
the
> molders seemed to think "ECO" involved some kind of EMC/RFI requirement.

Probably a recycling concern.  EMC countermeasures might make the computer
housing difficult to recycle.

The section probably most interesting to your friend is :

"BEST PRACTICE CRITERIA

4. Take-back and recycling
The manufacturer shall guarantee the take-back of the personal computer and
of components being replaced, except for items contaminated by users (e.g.
in medical or nuclear applications).
In addition, the personal computer shall meet the following criteria:
1. one trained person, alone, shall be able to dismantle the system unit;
2. the manufacturer shall check the disassembly of the system unit and
provide a disassembly report. Amongst others, the report shall confirm that
joints are:
- easy to find and accessible,
- as standardised as possible,
- accessible with all-purpose tools;
3. incompatible and hazardous materials shall be separable;
4. 90 % of plastic and metal materials in the housing and chassis shall be
recyclable;
5. if labels are required, they shall be easily separable or inherent;
6. plastic parts shall:
(a) have no lead or cadmium added by the manufacturer;
(b) be of one polymer or compatible polymers, except for the cover which
shall consist of no more than 2 types of polymer which are separable;
(c) contain no metal inlays that cannot be separated;
7. plastic parts heavier than 25 grams shall:
(a) not contain flame retardants that contain organically bound bromine or
chlorine;
(b) have a permanent marking identifying the material, in conformity with
ISO 11469. Excluded from this criterion are extruded plastic materials."

Hope this helps.
Regards,
Matt


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