Table 1.

Half-lives of certain plastic types.

Plastic type	Status of recycling	Half-lives in environment (minimum to maximum; in years)
		Land (Buried)	Marine environment
PET	Widely recycled	> 2500	-
HDPE	Widely recycled	250 (230 to 280)	58 (23 to > 2500)
PVC	Often not recycled	> 2500	-
LDPE	Rarely recycled	4.6	3.4 (1.4 to > 2500)
PP	Often not recycled	-	53
PS	Rarely recycled	> 2500	-

Source: Chamas et al. (2020); Klemeš et al. (2020)