Lead Carbonate Intermediate

Short-term toxicity to fish

Administrative data

Endpoint:

short-term toxicity to fish

Type of information:

experimental study

Adequacy of study:

supporting study

Study period:

2010

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: The study is performed according to GLP.

Justification for type of information:

Hypothesis for readacross:
The main component of the target substance “Reaction product of lead chloride or lead sulphate with alkaline solution” is lead (Pb). Pb salts used as
source material are waste materials produced by Pb battery recycling process or byproducts of the hydrometallurgical upgrading of PGM rich lead bullion. Therefore, available data
from Pb compounds was used for readacross.
The test substance is waste material from lead battery reprocessing, which is similar to the target substance and therefore considered applicable for readacross.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2010

Report date:

2010

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 203 (Fish, Acute Toxicity Test)

Deviations:

no

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

Wastes, lead battery reprocessing

EC Number:

305-445-7

EC Name:

Wastes, lead battery reprocessing

Cas Number:

94551-99-2

Molecular formula:

Molecular weight/formula concept not applicable to Inorganic UVCB (complex metal containing substance)

IUPAC Name:

λ²-lead(2+) ion plumbanone sulfate

Test material form:

other: moistly solid clay-like paste

Details on test material:

Test item: Lead battery paste (from recycling
Lot No. of test item: Lkw GS-HAT 350 / Waggon 6365-9, 04.03.2010; 11:00 - 11:30 Uhr
Content:
- Pb: 73.8%
- Sb: 0.23%
- Sn: 0.11%
- As: < 0.02%
- Cu: < 0.02%
- Hg: < 0.2 mg/kg
- Cd: < 0.02%
- FeO: 0.28%
- S: 5.05%
- C: 0.32%
- CaO: 3.5%
- SiO2: 0.42%
- Moisture 11.02%
Appearance: moistly solid clay-like paste of reddish-brown colour
Solubility in water: sparingly soluble

Sampling and analysis

Analytical monitoring:

no

Details on sampling:

Due to the sparingly soluble properties of the test item, the study was performed with the "WAF" ("water accommodated fraction") (OECD Series on Testing and Assessment Number 23: "Guidance Document on Aquatic Toxicity of Difficult Substances and Mixtures" and OECD Series on Testing and Assessment Number 29: "Guidance Document on Transformation/Dissolution of Metals and Metal
Compounds in Aqueous Media). Stirring time was fixed to 24 hours followed by a sedimentation period of 1 hour.

Test organisms

Test organisms (species):

Danio rerio (previous name: Brachydanio rerio)

Details on test organisms:

Zebra danio fish (Brachydanio rerio) were used as test animals. The test fish were healthy and showed no abnormal appearance. They had a total length of 3 cm (+/1
cm). The fish were held in the
Hydrotox laboratory since July 8th, 2010. The fish were purchased by Aquarium Dietzenbach Fischzucht, vanHevesy
Str. 1 a, D63128
Dietzenbach.

Study design

Test type:

static

Water media type:

freshwater

Limit test:

yes

Total exposure duration:

96 h

Test conditions

Test temperature:

22.9-23.6°C

Nominal and measured concentrations:

100 mg/L

Results and discussion

Effect concentrations

Key result

Duration:

96 h

Dose descriptor:

LC50

Effect conc.:

> 100 mg/L

Nominal / measured:

nominal

Conc. based on:

test mat.

Basis for effect:

mortality (fish)

Details on results:

Justification for readacross:
Lead (Pb) is the main component of the target substance, and considered the major driver for adverse effects based on its properties and relative quantity in the substance. For
toxicity assessment the bioavailable part is relevant. From the target substance itself, Pb is poorly water soluble. Solubility of Pb from the test substance was same order of magnitude as for the target
substance. Therefore, it is considered that the used readacross
data gives a good estimate on the adverse effects of the target substance.