POWER OF ATTORNEY
	Know all by these presents, that the undersigned
hereby constitutes and appoints Alan Edrick the undersigned's true and
lawful attorney-in-fact to:
	(1)	execute for and on behalf of the
undersigned, in the undersigned's capacity as an officer and/or director of
BioSource International, Inc., a Delaware corporation (the "Company"),
Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities
Exchange Act of 1934 and the rules thereunder;
	(2)	do and perform any
and all acts for and on behalf of the undersigned which may be necessary or
desirable to complete and execute any such Form 3, 4, or 5, complete and
execute any amendment or amendments thereto, and timely file such form with
the United States Securities and Exchange Commission and any stock exchange
or similar authority; and
	(3)	take any other action of any type
whatsoever in connection with the foregoing which, in the opinion of such
attorney-in-fact, may be of benefit to, in the best interest of, or legally
required by, the undersigned, it being understood that the documents
executed by such attorney-in-fact on behalf of the undersigned pursuant to
this Power of Attorney shall be in such form and shall contain such terms
and conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.
	The undersigned hereby grants to such
attorney-in-fact full power and authority to do and perform any and every
act and thing whatsoever requisite, necessary, or proper to be done in the
exercise of any of the rights and powers herein granted, as fully to all
intents and purposes as the undersigned might or could do if personally
present, with full power of substitution or revocation, hereby ratifying
and confirming all that such attorney-in-fact, or such attorney-in-fact's
substitute or substitutes, shall lawfully do or cause to be done by virtue
of this power of attorney and the rights and powers herein granted.  The
undersigned acknowledges that the foregoing attorney-in-fact, in serving in
such capacity at the request of the undersigned, is not assuming, nor is
the Company assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934.
	This Power of
Attorney shall remain in full force and effect until the undersigned is no
longer required to file Forms 3, 4, and 5 with respect to the undersigned's
holdings of and transactions in securities issued by the Company, unless
earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorney-in-fact.
IN WITNESS WHEREOF, the undersigned has
caused this Power of Attorney to be executed as of this 30 day of July,
2004.
/s/ Jean-Pierre Conte
Signature

Jean-Pierre Conte


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