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(4) that the proposed dumping will be preceded by 
appropriate baseline monitoring studies of the proposed 
dump site and its surrounding environment. 
Each permit issued pursuant to this subsection shall be sub- 
ject to such conditions and restrictions as the Administrator 
determines to be necessary to minimize possible adverse im- 
pacts of such dumping. 
SEC. 6. AUTHORIZATION OF APPROPRIATIONS. 
Section 111 of the Marine Protection, Research, and 
Sanctuaries Act of 1972 (33 U.S.C. 1420) is amended by 
striking ‘‘and’’ immediately following ‘“‘fiscal year 1981,” and 
inserting ‘‘and not to exceed $4,213,000 for each of fiscal 
years 1983 and 1984,” immediately after “‘fiscal year 
1082 hie 
