Amendment Two

DATE OF ISSUANCE: 1/15/2002

The above numbered solicitation is amended as set forth below. The hour and the date specified for receipt of Offers remains unchanged: March 20, 2002, 3:00 p.m. Eastern Standard Time. Offerors must acknowledge receipt of the amendment prior to the hour and the date specified in the solicitation or as amended, by one of the following methods:

FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER.

This amendment revises the RFP as stated below.

If hand-delivered or delivery service

If using U.S. Postal Service

Kim L. Hall

Kim L. Hall

Contract Specialist

Contract Specialist

Research Contracts Branch

Research Contracts Branch

National Cancer Institute

National Cancer Institute

Executive Plaza North, Room 313

Executive Plaza North, Room 313

6130 Executive Boulevard

6130 Executive Boulevard MSC 7224

Rockville, Maryland 20852

Bethesda, Maryland 20892-7224