March 24, 2000

Mr. Timothy Scrantom
Ten State Street, L.L.P.
10 State Street
Charleston, South Carolina 29401

Envirometrics, Inc.
9229 University Boulevard
Charleston, SC  29401

     Re: 20,032 Shares of Series B Preferred Stock of  Envirometrics,  Inc. (the
"Company") Held By Ten State Street, L.L.P.

Ladies and Gentlemen:

Pursuant to our Agreement of June30, 1998, (the "Agreement," Paragraphs 10-24 of
which are fully incorporated  herein by reference and ratified and reaffirmed in
their  entirety  by the  undersigned),  we hereby  notify  you of our  intent to
convert the  above-referenced  shares of Preferred Stock (the "Preferred Stock")
to  Envirometrics  Common Stock (the  "Common  Stock") at a ratio of 5 shares of
Common Stock for one share of Preferred Stock.  Kindly effect this conversion on
the tenth day  following  your receipt of this notice or as soon  thereafter  as
practicable.

We are enclosing  herewith any Certificate(s) we hold representing the Preferred
Stock. If you are holding any  Certificate(s)  representing the Preferred Stock,
you are hereby  instructed  to cancel same upon the issuance of the Common Stock
to us.

With regard to any dividends which have accrued on the Preferred  Stock, you are
hereby  instructed  to issue  Common  Stock to us in lieu of such  accruals at a
price of $0.40 per  share.  We  understand  that no  fractional  shares  will be
issued, and shares will be rounded off to the nearest whole number.

We represent  that: (a) we have  familiarized  ourselves with the affairs of the
Company,  and we are  aware of the  Agreement  for the  Exchange  of Stock  (the
"Catapult  Agreement")  between  the  Company and The  Catapult  Group,  Inc. of
Atlanta,  GA; (b) we have  received and  reviewed a copy of the  Catapult  press
release dated March 13, 2000 which refers to the Catapult Agreement;  and (c) we
are aware that the Company  intends to effect a split of the Common  Stock prior
to the closing of the  Catapult  Agreement at a ratio of one new share of Common
Stock being issued for every ten shares then outstanding.


Sincerely yours,