. 2017 Jun 29;15(6):e04868. doi: 10.2903/j.efsa.2017.4868

Table 2.

Soil

Compound (name and/or code)	Persistence
Terbuthylazine	Medium to high persistence Single first‐order DT₅₀ 65–167 days; 20°C, soil moisture 13–36% w/w) (Field dissipation studies: single first order DT₅₀ 10–148 days; 20°C, pF 2 soil moisture)
Desethyl‐terbuthylazine (MT1)	Moderate to high persistence Single first‐order DT₅₀ 27–113 days (20°C, soil moisture 11–29% w/w) (Field dissipation studies: single first order DT₅₀ 2–223 days; 20°C, pF 2 soil moisture)
Hydroxy‐terbuthylazine (MT13)	High to very high persistence Single first‐order DT₅₀ 207–> 1,000 days (20°C, soil moisture 11–29% w/w)

Compound (name and/or code)

Persistence

Terbuthylazine

Medium to high persistence

Single first‐order DT₅₀ 65–167 days; 20°C, soil moisture 13–36% w/w)

(Field dissipation studies: single first order DT₅₀ 10–148 days; 20°C, pF 2 soil moisture)

Desethyl‐terbuthylazine (MT1)

Moderate to high persistence

Single first‐order DT₅₀ 27–113 days (20°C, soil moisture 11–29% w/w)

(Field dissipation studies: single first order DT₅₀ 2–223 days; 20°C, pF 2 soil moisture)

Hydroxy‐terbuthylazine (MT13)

High to very high persistence

Single first‐order DT₅₀ 207–> 1,000 days (20°C, soil moisture 11–29% w/w)

DT₅₀: period required for 50% dissipation.