Date: Tue, 9 Sep 2003 11:59:52 -0400

Author: Clarence Bennett

Subject: Where's Jim McConville?


Email I send to Jim comes back.

Do any of you know a new address for him?

Clarence Bennett
Oakland University Physics
Rochester, Michigan
248 370 3419
248 377 4048
From Tue Sep 9 12:00:23 2003
Date: Tue, 09 Sep 2003 12:06:37 -0400
Subject: Re: Silica Sand Safety
From: "Anthony Lapinski"
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I drop marbles, stones, etc. into a large aluminum pan of flour. Messy,
but works well. As an added bonus, tho goofy kids like to put their face
in the stuff! It's a guy thing I guess! writes:
>Hello Tap'l-ers,
>I have a safety question for you. In the past we have performed a
>cratering formation lab by dropping metal balls into a box of sand. The
>sand that we have found to produce the best results was silica sand. On
>acquiring another 100lb bag of the stuff, I found a rather large warning
>label about possible health problems caused by the sand. Does anyone
>else use silica sand or have any information on the dangers of using it
>in a two hour lab? Also, does anyone else perform cratering labs with a
>different material?
>Thanks for all your valued help. -Andy.
>Andy Smith
>Lab Supervisor/ Part-time Instructor
>DePauw University Physics
>Greencastle, IN
From Tue Sep 9 12:11:43 2003
From: "James R. Frysinger"
Organization: College of Charleston
Subject: Re: Silica Sand Safety
Date: Tue, 9 Sep 2003 12:08:43 -0400
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