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EC number: 421-450-8 | CAS number: 154702-15-5
Measured dissolved organic carbon (DOC) on day 29 (10 mg C/L): <1.0. pH values of the test chamber contents on day 28: 7.1.
The measured concentrations of inorganic carbon in the carbon dioxide trapping solutions are presented in Table 2 (attached below). The cumulative amounts of CO2 produced over the test period are presented in Table 3 (attached below). The cumulative percent of theoretical carbon dioxide (% TCO2) evolved is presented in Table 4 (attached below).
The control chambers evolved an average of 70.3 mg CO2 over the test period. This value has been corrected for the amount of CO2 in the trapping solution since potassium hydroxyde solution, even when freshly prepared, contains carbonates. The amount of CO2 evolved by the control chambers did not exceed the 40 mg/l (120 mg total) value considered the acceptable limit for CO2 evolution tests. The viability of the inoculum and validity of the test were supported by the results of the reference substance from which an average of 95.6% of theoretical CO2 was evolved. An average % biodegradation of greater than 60% was achieved by Day 13 thereby fulfilling the criteria for a valid test by reaching the pass lev el by Day 14.
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