Table 1.

Liquid culture assessment of test coupons by the qualitative method after 7 d of incubation

Test materials	Liquid culture assessment
	D	P&D
SS	+	+
PVC	+(−)	+
GS	+(−)	+
PS	+	+
PU	+(−)	+
CC	+	+
Blank	−	−

D: decontaminated; P&D: prehumidified-and-decontaminated; +: all coupons showed growth; −: all coupons showed no growth; +(−): some coupons showed growth, others no growth