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EC number: 247-148-4
CAS number: 25637-99-4
TITLE: Hexabromocyclododecane (HBCD): A Toxicity Test to Determine theEffects
of the Test Substance on Seedling Emergence of Six Species ofPlants
Guideline for Testing of Chemicals, Proposal for Revision of Guideline
208: Terrestrial Non-Target Plant Tests
850.4100 (Public Draft)
850.4225 (Public Draft)
TEST LEVELS: 0 (Negative Control), 40, 105, 276, 725, 1904, 5000 mg
HBCD/kg dry soil
MEASURED TEST LEVELS: 0 (Negative Control), 31.3, 97.8, 297, 764, 2230,
and 6200 mg HBCD/kg dry soil
May 8, 2002
Start (EPA): May
June 3, 2002
OF TEST: 21 days
(Lolium perenne),Soybean (Glycine max),Tomato (Lycopersicon
The soil incorporation of Hexabromocyclodododecane (HBCD) caused no
survival, or growth for any of the six plant species tested. Therefore,
nominal soil concentration tested, 5000 mg HBCD/kg dry soil, was
considered to be the NOEC for these test species.
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