Re: [MOL] Chemical Plant Explosion -- Any Chemists Here? [02500] Medicine On Line


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Re: [MOL] Chemical Plant Explosion -- Any Chemists Here?



Chris:  The Eviormental Protection Agency should have all the low down on
this plant, plus any other's in your area, and what their waste is.  Your
friend, lillian


-----Original Message-----
From: CCR0417@AOL.COM <CCR0417@AOL.COM>
To: mol-cancer@lists.meds.com <mol-cancer@lists.meds.com>
Cc: starfire@eclipse.net <starfire@eclipse.net>; SOBERJ@AOL.COM
<SOBERJ@AOL.COM>
Date: Saturday, February 20, 1999 9:48 PM
Subject: [MOL] Chemical Plant Explosion -- Any Chemists Here?


>This is the web page for the company:
> <A HREF="http://www.csi-ha.com/">Concept Sciences, Inc.</A>
http://www.csi-
>ha.com/
>
>Does anyone know anything about the chemicals this place produces????????
>
>TO CONCEPT SCIENCES, THE BIRTHPLACE OF COMMON SENSE SOLUTIONS
>------------------------------------------------------------------------
>Introducing
>Concept Sciences, The First United States Manufacturer And Supplier Of Free
>Base Hydroxylamine.
>CSI's 50-HATM  THE BETTER CHOICE
>-Uses of Free Base HA
>-Literature Available
>-Product Lines
>-Company History and Philosphy
>-Locations
>-Contact Us
> -----------------------------------------------------------------------
>This page last updated on January 20 , 1999.
> Saturday, February 20, 1999 9:33:55 p.m.
>
>CSI AQUEOUS HYDROXYLAMINE (HA)
>PRODUCT SUMMARY
>50-HATM and 30-HATMGRADE
>DESCRIPTION: 50-HATM
>UHP
>Presently, this material represents CSI's highest purity and highest
>concentration solution of aqueous hydroxylamine. However, CSI can AND WILL
>supply higher % (HA) levels than 50% to meet specific customer needs on a
>volume consideration. At least 24 trace metals are specified at values < 10
>ppb (parts per BILLION). See the 50-HATM (UHP) Product Sheet for further
>information.
>
>Although this material represents CSI's highest 50-HATM solution, it is
very
>competitively priced with the currently available LOWER PURITY 50% (HA)
>material.
>
>50-HATM (UHP) finds its greatest application in the microelectronics
industry
>where trace metal levels are of critical importance. This material, without
>comparison, represents the purest available 50% (HA) in the world, but
retains
>superior stability and resistance to decomposition. It is quite comparable
to
>CSI's 30-HATM (UHP) in this regard.
>
>HP
>As a higher purity form of CSI's 50-HATM, the (HP) specifies the purity
level
>of over 24 trace metals at the moderate ppb level, (i.e.; refer to 50-HATM
>(HP) Product Data Sheet ). Typical trace metal purity levels may be much
>lower than that specified, although the specification levels represent
CSI's
>guaranteed levels. As with the other grades, assay control of 50-HATM (HA)
is
>specified at 48-52% with typical values of 49-51%. This water white grade
of
>50-HATM is the most economical form of 50% (HA) which is suitable for
>microelectronics applications.
>
>50-HATM (HP) may also find great application in specialty areas of the
>pharmaceutical, coatings and photography industries where trace metal
purity
>is not of great importance, but the absence of any "dissolved salt" IS
>important. Like its CSI counterparts, 50-HATM is fully stabilized and
>represents a direct "drop-in" replacement for the currently available
foreign
>material.
>
>LP
>This is CSI's most inexpensive form of stabilized 50% aqueous free-base
(HA),
>providing better than competitive pricing for 50% (HA) where trace metal
>content is not important. Like the 30-HATM (LP), this clear aqueous
solution
>of (HA) contains 5-8% dissolved K2SO4 salt with very low "ppm" or "ppb"
levels
>of many other metals. Assay control is specified at 48-52% (HA) with
typical
>values of 49-51% (HA).
>
>50-HATM (LP) finds excellent application where higher % (HA) is required to
>produce needed concentrations of reaction products such as oximes or other
>intermediates, but without the in-situ production of excessively high
levels
>of "reaction salts." These "salts" must be handled, separated, and disposed
>requiring extra processing steps, time and capital. 50-HATM (LP) eliminates
>this costly and "add-on" handling and processing. By retaining superior
>stability characteristics, (i.e.; common in ALL CSI aqueous (HA) solutions)
>50-HATM, ALL GRADES, can be conveniently stored for long time periods
safely
>and without loss of (HA) concentration level (i.e.; refer to "Technical
>Information Bulletin" ). Ideal applications for 50-HATM (LP) include
>pharmaceutical, agriculture, paints and coatings.
>
>GRADE
>DESCRIPTION: 30-HATM
>UHP
>This grade represents an "Ultra-high-purity" form of the 30% (HA)
>concentration solution. While assay is specified at the 28-32% range, trace
>metal purity for 24 different metals (i.e.; number and identity of metals
can
>be flexible to meet customer needs) is specified at < 10 ppb (parts per
>BILLION). This material is completely free of ANY dissolved salt and shows
>excellent application within the semiconductor industry where trace metal
>purity is critical.
>
>30-HATM (UHP) is economical with specified purity and stability from
>decomposition. Other than (HA) concentration, it is a compositional
"drop-in"
>replacement for currently available free-base (HA), with much superior
purity
>and storage stability.
>
>LP
>This is CSI's most economical form of stabilized, free-base aqueous (HA)
with
>typical concentration level of ~30% and specified range of from 28-32%. The
>"LP" indicates that this product is not purified with respect to trace
metal
>content and contains a K2SO4 dissolved salt level of from 3-6%.
>
>30-HATM (LP) finds excellent use in both the pharmaceutical and agriculture
>industries where trace metal content is not an important parameter. It is
not
>suitable for microelectronics applications in general. 30-HATM (LP) is an
>excellent, economical source of stabilized free base (HA) without the waste
>salt or extra and costly process steps associated with in-situ generated
(HA)
>from hydroxylammonium salts.
>
>To request samples or additional information please (email)
>
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