Today's Topics:
Follow on to Green Yes No. 253/White Pigmented Milk Bottle Issue
GreenYes Digest V97 #253
milk container pigmentation
Send Replies or notes for publication to: <greenyes@UCSD.Edu>
Send subscription requests to: <greenyes-Digest-Request@UCSD.Edu>
Problems you can't solve otherwise to postmaster@ucsd.edu.
-------------------------------------------------------------------------------
----------------------------------------------------------------------
Date: Tue, 21 Oct 1997 16:59:01 -0500
From: RecycleWorlds <anderson@msn.fullfeed.com>
Subject: Follow on to Green Yes No. 253/White Pigmented Milk Bottle Issue
In response to my alert about white pigmented milk bottles, and the =
potential threat that poses to plastic recycling, Gregg Foster asked:
"I was asking if the change to colored HDPE was in response to =3D
the criticism that I have heard that the light getting into milk =3D
supposedly destroys vitamin A? Is that even true?"
When I called Bruce Fortin at EnviroPlastic this morning, he said that =
this is the claim that Hood Dairy is making to defend their use of white =
bottles.
I have a difficult time imagining a milk bottle in this day and age =
being exposed to sunlight, but does anyone have any hard facts on:
1) What kind of Vitamin A degradation occurs in the life of the typical =
milk bottle due to UV light; and
2) If there is any serious potential, couldn't a simple UV protection =
additive be blended in the HDPE resin (if it's not already) which would =
not pigment the bottle?
Peter Anderson
------------------------------
Date: Tue, 21 Oct 1997 10:57:27 EDT
From: EcoDave908 <EcoDave908@aol.com>
Subject: GreenYes Digest V97 #253
Dear Friends,
I am looking for some information concerning a specific type of recycling
and wonder if anyone out there can help.
Specifically, I'm looking for information on High Density Apartment
recycling in an Urban Area. Does anyone know of successful city recyclyng
projects- specifically any models that can be emulated in other cities ?
If you know websites or pamhlets etc. with this information it would be
super helpful. It will be used to set up such a project in a city housing
project near where I reside. It's not a giant city like New York but it's a
medium sized city in New Jersey that really wants to do it. Thanks again for
any help you can give.
Yours Truly,
Dave Street
(EcoDave908)
------------------------------
Date: Tue, 21 Oct 1997 20:02:46 -0400
From: WOODY GETZ <WGETZ@FRE.FSU.UMD.EDU>
Subject: milk container pigmentation
Gregg Foster wrote:
>
> Perhaps because what I said was not that great?
>
> Actually, I was asking if the change to colored HDPE was in response to
the criticism that I have heard that the light getting into milk supposedly
destroys vitamin A? Is that even true?
>
> Gregg Foster
>
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Gregg,
That's the reason given by our local milk distributor, Potomac Farms,
for switching several years ago to a *yellow* plastic milk jug! The
yellow is close to that of a tennis ball, though not fluorescent.
In the panhandle of Western Maryland,
Woody Getz
Reduce, ReUse, Recycle, Compost - It's a small planet!
------------------------------
End of GreenYes Digest V97 #254
******************************