<PAGE>   1
                                                                   Exhibit 10(a)

                         [TKO INTERNATIONAL LETTERHEAD]


                       PROFESSIONAL CONSULTING AGREEMENT

     THIS PROFESSIONAL CONSULTING AGREEMENT is made this 24th day of April,
1998, by and between LEN TURANO at 5650 Greenwood Blvd., Suite 201, Englewood,
Colorado and PDG ENVIRONMENTAL, INC., ("Client"), a Delaware corporation, with
its principal offices located at 300 Oxford Drive, Monroeville, Pennsylvania.

     WHEREAS, Consultants operate and sell marketing services designed to
heighten public awareness of the business conducted and performance results
achieved by specified companies which consist primarily of researching,
organizing and disseminating such information; and

     WHEREAS, PDG Environmental, Inc., (PDGE), is a public company that is at
this time trading it's common stock through the (Over the Counter Bulletin
Board) stock market; and

     WHEREAS, Client desires to retain the services of the Consultants in a
public relations and promotional capacity to inform the general public, the
brokerage community and other individuals pursuant to the terms hereof; and

     WHEREAS, Client wishes to formalize in a written agreement the terms and
conditions under which Consultants will provide such services to Client.

     NOW, THEREFORE, for the mutual promises and other consideration described
herein, the parties hereto agree as follows:

     1.   ENGAGEMENT: The Client hereby retains the Consultants and the
          Consultants hereby accept the engagement to act as a public relations
          and promotional consultant to the Client. It is the intention of the
          parties to this agreement that the Consultants will gather all
          publicly-available information on the Client and will confer with
          officers and directors of the Client in an effort to consolidate the
          information obtained into summary form for dissemination to interested
          parties. The Consultants will then disseminate such information about
          the Client to individuals and registered representatives of
          broker/dealers whom the Consultants, in its sole discretion, believe
          can effectively disseminate such information to the general public.
          Consultants shall at all times act as an independent contractor in the
          transaction of their business and shall conduct their activities in
          accordance with the rules and regulations of the Securities and
          Exchange Commission, and the long standing practices of the industry.

<PAGE>   2
     2.   SERVICES: Consultants shall provide through April 14, 1999, investor
          relations services to the Client as requested by the Client in
          consideration of the compensation provided under this Agreement.

          (a)  Consultants shall exercise their best efforts to identify
               and establish appropriate information channels capable of
               maximizing dissemination of Client information to the licensed
               broker/dealers.

          (b)  Consultants shall exercise their best efforts to assemble and
               organize Client Information in a format and medium which best
               facilitates such dissemination.

          (c)  This Agreement shall commence on April 15, 1998 and end on April
               14, 1999.

          (d)  TKO will perform all the services outlined on a monthly basis
               for the duration of this agreement.

          (e)  Specific goals of the Investor Relations Program is attached as
               Appendix A.

               (1)  RE: NEWS DISSEMINATION/MARKETING
                    Present to the Client six "For Free" marketing strategies
                    that will ride in investment community communication.

               (2)  RE: ANALYST COVERAGE
                    Gain commitment at two "Not For Fee" analyst/newsletter
                    editors.

     3.   INFORMATION: Client shall furnish Consultants with current public
          information about Client, including any and all statements and reports
          filed by Client with the United States Securities and Exchange
          Commission, its most recent Annual Report to Shareholders, and any
          other information reasonably requested by Consultants to assist
          Consultants in providing business opportunity services to Client
          ("Client Information"). It is understood and agreed by all parties
          hereto that the Consultants cannot undertake to independently verify
          facts previously supplied to it or to be supplied in the future by the
          Company, including but not limited to, factual matters included in
          material prepared by the Company or oral representations by
          representatives of the Company. All information disseminated by
          Consultants will be provided solely and exclusively by the Client and
          the Client warranties and guarantees the accuracy and completeness of
          all documents, information and material furnished or to be furnished
          to the Consultants. The Company agrees to defend, indemnify and hold
          the Consultants harmless against any claims made against the
          Consultants arising out of representations made by it in reliance upon
          information furnished to it by the Company and to pay any attorney's
          fees incurred by the Consultants with respect thereto. Except as set
          forth herein, the Company represents that there exists no impediment
          to completion of the transaction. The company agrees to notify
          Consultants before issuing any shares of common stock. The Company
          agrees to notify Consultants before filing to sell any 144 stock to
          the
<PAGE>   3
          extent Company is aware of such transactions. Consultant shall notify
          Client before selling any shares of PDG Environmental that are held by
          Consultant of Affiliates of Consultant.

     4.   COMPENSATION:  In consideration for the services to be provided to
          the Client by the Consultants under this Agreement, the Client hereby
          agrees to the payment schedule to the Consultant as follows:

          (a)  The Client hereby agrees to pay the Consultants a fee of Four
               Thousand Dollars ($4,000) due and payable upon the execution of
               this agreement and on the fifteenth (15) of every month for the
               length of the contract. The April 15, 1998 payment has been made.

          (b)  PDGE will issue to Len Turano options to purchase free trading
               stock according to the following schedule:

               Five Thousand (5,000) options per month to purchase the equal
               amount of free trading stock all exercisable at Two Dollars and
               Fifty Cents ($2.50). Options to expire April 15, 2000.

     5.   TERM: This Agreement shall become effective as of April 15, 1998 and
          shall remain in effect through April 14, 1999. It is also mutually
          agreed upon that a minimum of three (3) months is guaranteed to the
          Consultants, after which the Agreement can be terminated by either
          party with thirty (30) days notice.

     6.   REIMBURSEMENT: Any services or hard costs not outlined will be
          reimbursed to Consultants only upon prior approval of management of
          PDGE. Consultants shall be responsible for the payment of all expenses
          and taxes or other liabilities which Consultants incur due to the
          receipt of any compensation as a result of this Agreement. 

     7.   REPRESENTATIONS AND WARRANTIES: Consultants represent and warrant
          that services to be provided and the system to be produced or
          developed by Consultants under this Agreement will be preformed,
          produced or developed by competent, trained professionals in a
          workman-like manner. Consultants shall comply with all applicable
          statutes, rules and regulations governing all aspects of the services
          to be performed under this Agreement provided that, as described in
          paragraph 3 of this Agreement, Client shall be fully responsible to
          assure all Client Information is accurate and complete. Client
          understands and acknowledges that Consultants cannot guarantee that
          the services provided hereunder will achieve any particular objective
          or fulfill any specific goals.

          OTHER THAN THE FOREGOING EXPRESS WARRANTIES, CONSULTANTS MAKE NO
          WARRANTIES WITH RESPECT TO THE QUALITY OF THE GOODS AND SERVICES TO BE
          PROVIDED
<PAGE>   4
          HEREUNDER OR ANY RESULTS TO BE ACHIEVED, AND HEREBY EXPRESSLY DISCLAIM
          THE EXISTENCE OF ANY SUCH REPRESENTATIONS AND WARRANTIES INCLUDING
          WITHOUT LIMITATIONS AND IMPLIED WARRANTIES OF MERCHANTABILITY AND
          FITNESS FOR A PARTICULAR PURPOSE. CONSULTANTS SHALL HAVE NO LIABILITY
          TO ANY INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES SUFFERED BY
          CLIENT AS A RESULT OF ANY FAILURE ON THE PART OF CONSULTANTS IN THE
          PERFORMANCE OF THEIR DUTIES HEREUNDER. 

     8.   ON GOING BUSINESS: PDGE shall be free to exercise its own judgement
          as to time, place and manner of the actual marketing and public
          relations. PDGE acknowledges the Consultants are engaged in other
          business activities and that it will continue in such activities
          during the term of this Agreement. Consultants shall not be restricted
          from engaging in other business activities during the term of this
          Agreement.

     9.   PROPRIETARY INFORMATION: The Consultants acknowledge and agree that
          specified segments of information received from the Client under this
          Agreement are exclusive proprietary information and the same shall not
          be divulged, published, or distributed in any manner or form to any
          third party without any express right or written consent of their
          Client.

     10.  MISCELLANEOUS: This Agreement shall be interpreted and construed in
          accordance with the laws of the State of Pennsylvania. The parties
          agree that the jurisdiction and venue of any dispute arising hereunder
          shall be Pittsburgh, Pennsylvania.

     11.  ENTIRE UNDERSTANDING: This Agreement contains the entire
          understanding of the parties with respect to the subject matter
          hereof. The terms of this Agreement may be altered only by written
          agreement between parties. The failure of either party to object to or
          take affirmative action with respect to any conduct of the other is in
          violation of the terms of this Agreement and shall not be construed as
          a waiver of the violation or breach of any future similar violation or
          breach.

     12.  NOTICES: Any notice to be given by Consultant as required by this
          Agreement shall be sent to the Company and its principal executive
          officers. Any notice from the Company to Consultant shall be sent to
          the Consultant at its address as it appears on this Agreement or on
          the Company's books and records. Either party may change the address
          to which notices are to be sent by informing the other party in
          writing of the new address.
<PAGE>   5


     IN WITNESS WHEREOF, each of the parties hereto have caused this Agreement
to be executed by its duly authorized officer, or as to an individual party,
has executed this Agreement in his own hand, as of the date first written above.

PDG ENVIRONMENTAL, INC.


BY: /s/ JOHN REGAN                                DATE:  5/2/98
   ---------------------------------                   ------------------------
   JOHN REGAN, PRESIDENT/CEO

BY: /s/ LEN TURANO                                DATE:  5/1/98
   ---------------------------------                   ------------------------
   LEN TURANO, PRESIDENT