(2) A requirement — 
(A) prohibiting the manufacture, processing, 
or distribution in commerce of such substance or 
mixture for (i) a particular use or (ii) a 
particular use in a concentration in excess of 
a level specified by the Administrator in the 
rule imposing the requirement, or 
(B) limiting the amount of such substance 
or mixture which may be manufactured, processed, 
or distributed in commerce for (i) a particular 
use or (ii) a particular use in a concentration 
in excess of a level specified by the Adminis- 
trator in the rule imposing the requirement." 
The TSCA contains inspection and penalty provisions, and a section 
limiting disclosure of data. 
NIH scientists agree that materials used in recombinant DNA research 
in the laboratory, and the immediate products of such research, would 
appear to be covered in most cases by the definition of "chemical 
substance" in the TSCA. The term "manufacture" is defined as meaning 
. .to import. . .produce, or manufacture." The term "manufacture" 
does not normally connote scientific experimentation in the laboratory. 
Thus, some question could be raised as to whether section 6 has any 
applicability to such research. However, another section of the TSCA 
(section 5), which requires manufacturers to give EPA advance notice 
of plans to manufacture a new chemical substance, contains an exemption 
from the notice requirement for ". . .manufacturing or processing of 
any chemical substance. . .only in small quantities. . .solely for 
purposes of. . .scientific experimentation or analysis. ..." The 
wording of this provision would seem to indicate that scientific 
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