Schedule 13 Amendment No. 17



Washington, D.C. 20549




Under The Securities Exchange Act of 1934

(Amendment No. 17)*




(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class or Securities.)



129603 10 6

                                (CUSIP Number)                                

January 25, 2007

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box below to designate the rule pursuant to which this Schedule is filed:

¨ Rule 13d-1(b)

¨ Rule 13d-1(c)

¨ Rule 13d-1(d)


* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).


Names of Reporting Persons.

I.R.S. Identification Nos. of above persons (entities only).

                Thomas A. McConomy    
  2.   Check the Appropriate Box if a Member of a Group (See Instructions)  
  (a)  ¨  
    (b)  ¨    
  3.   SEC Use Only  
  4.   Citizenship or Place of Organization  

Number of



Owned by





    5.    Sole Voting Power
    6.    Shared Voting Power
    7.    Sole Dispositive Power
    8.    Shared Dispositive Power
  9.   Aggregate Amount Beneficially Owned by Each Reporting Person    
10.   Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  
11.   Percent of Class Represented by Amount in Row (9)  
12.   Type of Reporting Person (See Instructions)  

Item 1  


   Name of Issuer      
     Calgon Carbon Corporation (the “Company”)      
Item 1  


   Address of Issuer’s Principal Executive Offices      

P.O. Box 717

Pittsburgh, PA 15230-0717

Item 2  


   Name of Person Filing      
     Thomas A. McConomy      
Item 2  


   Address of Principal Business Office, or if None, Residence      

The principal business address of the undersigned is:


413 Woodland Road

Sewickley, PA 15143

Item 2  


     United States of America      
Item 2  


   Title of Class of Securities      
     Common Stock $.01 par value (the “Common Stock”)      
Item 2  


   CUSIP No.      
     129603 10 6      
Item 3.   Statement Filed Pursuant to Rule 13d-1(b) or Rule 13d-2(b)   
  None of the categories is applicable to the undersigned.   

Item 4.    Ownership      
   a)    Amount Beneficially Owned.      
      As calculated under Rule 13d-3, as of December 31, 2006, Thomas A. McConomy beneficially owned 3,246,825 shares of Common Stock, of which 75,915 shares are those which he has a right to acquire pursuant to options granted under the Company’s 1993 Non-Employee Directors’ Stock Option Plan, as amended.      
   b)    Percent of Class      
      As calculated under Rule 13d-3, as of December 31, 2006, Mr. McConomy beneficially owned 8.1% of the shares of Common Stock.      
   c)    On December 31, 2006, Mr. McConomy had the sole power to vote and dispose or direct the disposition of the 3,246,825 shares of Common Stock then owned by him.      
Item 5.    Ownership of Five Percent or Less of a Class   
Item 6.    Ownership of More Than Five Percent on Behalf of Another Person      
Item 7.    Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company
Item 8.    Identification and Classification of Members of the Group      
Item 9.    Notifice of Dissolution of Group      
Item 10.    Certification      


After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.


January 25, 2007


/s/ Thomas A. McConomy


Thomas A. McConomy