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Table 4–12 (Continued). Analysis of repeated insult patch test (RIPT) studies submitted by industry clients in response to 1987 and 1997 Federal Register notices on CCP and its components

Study year	Report number*	Laboratory	Test material	Response rate†	Score‡	No. of subjects with score	Classification as irritant (Y/N)§,¶	Current use of material
1991	K23–33T–6B	Keyline Research	T–5282 impact carbonless paper, Lot X0510, CF imaged	0/224	0	—	N	Test materials in use
1991	K23–33T–6F	Keyline Research	T–5283 impact carbonless paper, Lot X0510, CF unimaged	0/224	0	—	N	Test materials in use
1991	K23–33T–6A	Keyline Research	T–5284 impact carbonless paper, Lot X1820, CF imaged	0/224	0	—	N	Test materials in use
1991	K23–33T–6G	Keyline Research	T–5285 impact carbonless paper, Lot X1820, CF unimaged	0/224	0	—	N	Test materials in use
1991	K23–33T–6C	Keyline Research	T–5280 carbonless paper, Lot E, EM0581, No. AI01540, CB imaged	0/224	0	—	N	Test materials in use
1991	K23–33T–6E	Keyline Research	T–5281 carbonless paper, Lot E, EM058, No. A101540, CB unimaged	0/224	0	—	N	Test materials in use
1993	93–1141–70	Hill Top Research, Inc.	Imaged 368	0/15	0	—	N	Test materials discontinued mid-1990s
			Unimaged 368	0/15	0	—	N
			Imaged 369	0/15	0	—	N
			Unimaged 369	0/15	0	—	N
			Imaged 370	0/15	0	—	N
			Unimaged 370	0/15	0	—	N
			Imaged 371	0/15	0	—	N
			Unimaged 371	0/15	0	—	N

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See footnotes at end of table.