Well, I don't really think this is a case of an auditor searching to find
something.

Our internal ESD control plan lists "ionizing fans" on benchtops,
especially those areas that are doing tape masking, where self-balancing
air ionizers are a must.  The auditor read that requirement, looked at the
plastic fan and asked "is that an ionizing fan"?  Nope.  Hence the finding.

The question was further asked (not by the auditor) whether we had to do
something with the huge metal blower fans on our aqueous wash system, as
those are not ionizing either.  That one I can fend off, but had never had
the first issue come up before.

I am also trying to separate out the "theoretical" from the "practical".




Doug Pauls
Principal Materials and Process Engineer
Rockwell Collins

On Wed, Jun 1, 2016 at 11:37 AM, lduso - Diamond-MT.com <
[log in to unmask]> wrote:

> lol...you are probably correct on that one, ESD generating or not.
> Honestly though, unless they can somehow measure a charge from those fans
> to the work surface, I'm really not seeing it. Sounds like one of those, "I
> gotta find something so I'll make an observation" type deals.
>
> Lloyd Duso
> Diamond-MT
> Plant Manager
> (814) 535-3505
> www.Diamond-mt.com
>
> On Wed, Jun 1, 2016 at 12:32 PM, Douglas Pauls <
> [log in to unmask]> wrote:
>
>> Lloyd, gotta say, I like the way you think.  But, am pretty sure if I had
>> the young'uns do this, especially the ladies, I would set the land speed
>> record for getting fired and thrown out the door.
>>
>>
>> Doug Pauls
>> Principal Materials and Process Engineer
>> Rockwell Collins
>>
>> On Wed, Jun 1, 2016 at 10:50 AM, lduso - Diamond-MT.com <
>> [log in to unmask]> wrote:
>>
>>> Easy Steve, palm fronds maybe huge ESD generators. I think ideally you
>>> want
>>> to use Ostrich feather plumes. A good job for an intern, he could fan the
>>> Emperor with one hand and hold a silver platter with a can of Mt Dew in
>>> the
>>> other!
>>>
>>> Lloyd Duso
>>> Diamond-MT
>>> Plant Manager
>>> (814) 535-3505
>>> www.Diamond-mt.com
>>>
>>> On Wed, Jun 1, 2016 at 11:43 AM, Steve Gregory <[log in to unmask]>
>>> wrote:
>>>
>>> > Hi Doug,
>>> >
>>> > So what does he say about the typical HVAC air conditioning units?
>>> They may
>>> > push the air with metal squirrel cages or metal fans (or they could be
>>> > plastic fans), but I'm sure nowadays much of the ducting is plastic or
>>> some
>>> > sort of plastic composite. Maybe he would be happy with someone
>>> standing
>>> > there fanning people with a palm frond...  :^)
>>> >
>>> > Steve
>>> >
>>> > On Wed, Jun 1, 2016 at 8:14 AM, Douglas Pauls <
>>> > [log in to unmask]> wrote:
>>> >
>>> > > Good morning all,
>>> > >
>>> > > We had an outside audit "observation" that I would like some outside
>>> > > opinions on.  In your facilities, are simple air circulation fans,
>>> > usually
>>> > > plastic blades and a plastic housing (think inexpensive Walmart)
>>> targeted
>>> > > as an ESD generator?  I have never heard of such and my view is that
>>> if
>>> > our
>>> > > humidity stays above the 30% minimum found in most ESD standards,
>>> then we
>>> > > should not have charge generation.
>>> > >
>>> > > So, are cheapy plastic fans an ESD hazard?
>>> > >
>>> > > Doug Pauls
>>> > > Principal Materials and Process Engineer
>>> > > Rockwell Collins
>>> > >
>>> > >
>>> > >
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