Environmental Profiles of Chemical Flame-Retardant Alternatives for

Study
Reference
Akzo-
Nobel, Inc.,
2001a,b
(Study
conducted in
1992)
Table 3-3. Summary of available algal toxicity studies for tris(1,3-dichloro-2-propyl)phosphate [TDCPP] (CASRN: 13674-87-8) a
Species
Tested
Selenastrum
capricornutum
EC 50, NOAEC,
and LOAEC
96-hour EbC 50
(biomass)
= 12 mg/L (95%
CI: 10-15 mg/L).
96-hour ErC 50
(growth rate) = 39
mg/L (95% CI:
31-50 mg/L).
96-hour NOAEC:
6 mg/L.
Study
Type
Concentration
Range Tested
Static 0 (negative
control), 2, 6, 18,
54, or 162 mg/L
Selected Study Design Parameters b
Analytical
Monitoring
No Temp: 21°C
pH: 6.7-7.9
DO: NR
Hardness: NR
Water
Chemistry Solvent
None
reported
a
Studies that were either published in a foreign language or that were not readily and that were not critical to the hazard assessment were not retrieved.
b NR: Not reported.
3-38
Comments on the
Data
A number of problems
are evident with this
study, namely the pH
changed markedly
during the study, and the
reported pH and water
temperature were outside
of the recommended
values for this algal
species.