Table 1.

User exposure time to chemical hazards associated with their respective extraction protocol for a total of 300 samples for root and growth substrate across extraction procedures and plant species

Protocol	User exposure time (min)	Incubation time (min)	Total duration (min)
Non-alkaline (methanol)	60	1080	1140
Alkaline (methanol hydroxide)	180	4320	4500
Methanol and chloroform	20	1080	1100
Cyclohexane and methanol hydroxide	180	2880	3060