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Page Title:
Table H-2. Summary of Bioassay Results by Battery Chemistry 96-h LC50 In mg/L |
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  TB 43-0134
b.
Bioassay data.
Table H-2. Summary of Bioassay Results by Battery Chemistry 96-h LC50 In mg/L
Battery
Fathead minnow
Ceriodaphnia
MG
22, 928
18, 067
Li-SO2
691
702
Li-MnO2
288
73
ALK
246
51
LCE
See belowl
See below1
Li-SOC12
See helow2
See below2
Notes:
1.
Preliminary Ceriodaphnia 48-h LC 50 test results indicate the battery would be classified as toxic (LC5o=289 mg/L).
2.
Preliminary Ceriodaphnia 48-h LC 50 test results indicate the battery would be classified as toxic (LC5o <2.5 mg/L).
H-4.
Results
H-5.
Discussion
a.
The results reported at Tables H-1 and H-2 indicate that:
MG and Li-SOC12 batteries are hazardous
a.
Partially discharged MG and completely
waste under RCRA regulations. It must be remembered that
this is a chemically dependent test. ALK, LCE, Li-MnO2 and
discharged Li-SOC12 batteries are hazardous waste under
Li-SOC12 batteries exhibited acute biotoxicity.
Bioassay
RCRA regulations because they exceed regulatory limits for
testing is chemically independent.
chromium. They are classified with an EPA Hazardous Waste
b.
# of D007
The philosophical difference between chemically
b.
ALK and Li-MnO2 batteries exhibited acute
de-pendent and chemically independent tests cannot be
resolved here, and is beyond the scope of the TB. The tests
toxicity for two organisms (Table H-2), with values less than
provide two different measures of toxicity. Federal and State
500 mg/L, for each 96-h acute LC50 toxicity test series. LCE
regulations must be met when disposing solid wastes. The
and Li-SOC12 batteries exhibited toxicity during preliminary
characterization of batteries for waste disposal depends on the
48-hour acute LC50 toxicity testing, and no further testing was
loca-tion of the installation and applicable regulations.
required.
H-2
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