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Toxicological information

Repeated dose toxicity: inhalation

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Administrative data

Endpoint:
repeated dose toxicity: inhalation
Adequacy of study:
other information
Study period:
From 01 NOV 1978 to 12 DEC 1978

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1979
Report Date:
1979

Materials and methods

Test material

Reference
Name:
Unnamed
Type:
Constituent

Administration / exposure

Remarks on MMAD:
MMAD / GSD: 70-80% < 7µm in diameter
Duration of treatment / exposure:
21 days (15 exposure days), 6 hours/day
Frequency of treatment:
5 days per week
Doses / concentrations
Remarks:
Doses / Concentrations:
0, 52, 151, 401 mg/m3
Basis:

No. of animals per sex per dose:
10
Control animals:
yes, sham-exposed
Positive control:
none

Results and discussion

Effect levels

Effect level:
52 mg/m³ air (analytical)

Target system / organ toxicity

Critical effects observed:
not specified

Applicant's summary and conclusion