EXHIBIT 10.15 
CLOSING ITEM NO.: A-4

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COUNTIES OF WARREN AND WASHINGTON

INDUSTRIAL DEVELOPMENT AGENCY

AND

ANGIODYNAMICS, INC.

INSTALLMENT SALE AGREEMENT

DATED AS OF AUGUST 1, 2002

CERTAIN RIGHTS OF COUNTIES OF WARREN AND WASHINGTON INDUSTRIAL DEVELOPMENT AGENCY (the "ISSUER") UNDER THIS INSTALLMENT SALE AGREEMENT AND CERTAIN MONEYS DUE AND TO BECOME DUE TO THE ISSUER HEREUNDER, HAVE BEEN ASSIGNED (A) TO THE HUNTINGTON NATIONAL BANK, AS TRUSTEE (the "TRUSTEE"), PURSUANT TO A PLEDGE AND ASSIGNMENT DATED AS OF AUGUST 1, 2002 FROM THE ISSUER TO THETRUSTEE AND (B) TO KEYBANK NATIONAL ASSOCIATION (the "BANK") PURSUANT TO A MORTGAGE AND SECURITY AGREEMENT DATED AS OF AUGUST 1, 2002 FROM THE ISSUER AND ANGIODYNAMICS, INC. TO THE BANK.

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THIS INSTALLMENT SALE AGREEMENT IS INTENDED TO CONSTITUTE A SECURITY AGREEMENT UNDER THE UNIFORM COMMERCIAL CODE OF THE STATE OF NEW YORK.