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4 HEALTH EFFECTS

**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
1998	98–101080–76	Hill Top Research, Inc.	215. CF unimaged	8/100			N	Test materials in use
					+	7
					1	1
			215. Back of CF	11/100			N
					+	9
					1	1
			217. CB side	2/100	2	1	N
			220. Non CB side	8/100			N
					+	2
					+	7
					l	1
1999	99–101981–70	Hill Top Research, Inc.	215. CF side unimaged	5/115	+	—	N	Test materials in use
			215. CF side imaged	16/115	+	—	N
			215. Backside of CF	6/115	+	—	N
			217. CB side unimaged	8/115	+	—	N
			217. CB side imaged	1/115	+	—	N
			220. Non-CB side	1/115	+	—	N
			226. CB side imaged	3/115	+	—	N
			227. CF side imaged	3/115	+	—	N

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