ghs in sds
TRANSCRIPT
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GHS in SDSUnderstanding CLP (GHS)
Classification and CalculationsYvonne Jansma, implementation consultant at Sphera
and associated with Preventpartner
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Schedule
- Expectations and Goals/objectives
- Back to Basics
- Terms and Definitions
- Non-additive Hazards
- Additive Hazards
- Discussion/Calculation
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Goals and Objectives
3
• Understand the description of the Health Hazard
classifications and be able to complete, without software,
(Health Hazards) calculations included in the GHS EU/ CLP
• To be able to explain the different types of calculations
included in the GHS and how to use them
• To understand impact of classification (changes) to
‘ranking instruments’
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Why? Because it is used a lot!
©2016 Sphera 4
Copied from T. Scheffers, NVVA Symposium 2016
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GHS = Global Harmonized System of Classification and Labelling of Chemicals
Legal ‘backbone’
for regulation in Europe
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2006
2007
2008
2009
2010
2011
2003
2004
2005
First Edition
Revision 1
Revision 2
Revision 3
Revision 4
GHS… A Moving Target
2002
2001Draft
GHS
Publication/Revisions;
every 2 years new revision
2012
2013Revision 5
Vietnam
US, South Korea
Europe(*), China, Japan
Canada
(*): Moving to Rev 5. End of transition period is Feb 2018
Countries are free to implement or upgrade
a GHS version whenever they want:
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GHS implementation in Europe
GHS – UN
Europa
8
REACH Regulation,
Annex II
SDS Content
(Sections, mandatory information)
CLP Regulation (Classification, Labeling
and Packaging)
Classification of substances
and mixtures
Label information
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Example: Change with ATP 7
1H-imidazole, (Cas 35554-44-0) becomes Carc.Cat 2
“Worst case” H statement H318 becomes H341
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Discussion
When to change the “ranking” of such a substance (and its
mixtures?)
1. When new classification is published
2. When transition period starts
3. When supplier delivers the new classification (if ever….)
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Content of Safety Data Sheet1. Identification of the substance/mixture and of the company/undertaking
2. Hazard identification
3. Composition/information on ingredients
4. First aid measures
5. Fire-fighting measures
6. Accidental release measures
7. Handling and storage
8. Exposure controls/personal protection
9. Physical and chemical properties
10. Stability and reactivity
11. Toxicological information
12. Ecological information
13. Disposal considerations
14. Transport information
15. Regulatory information
16. Other information
RED: Directly influence CLP/GHS rules
GREEN: Possible information for classification
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©2016 Sphera 12
Terms & Definitions
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Substance
Raw Material
Finished GoodMixture of
interest
What has been
bought
Lowest level of
the treeNo composition
Or an
intermediate
Regulatory
Information
What products are we looking at?
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Mixture LogicThis analysis is done using
information at the substance level
This level is generally ignored
Product Analysis LogicFinished
Good Level
Raw
Material
This level is
used for
Mixture
Analysis
All information
will be
considered
Raw
Material
physical hazards
at this level will
generally be
ignored.
What kind of analysis are we looking at?
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Additive Calculation In an additive calculation, multiple components can contribute toward the mixture classification
Non-additive Calculation
Types of calculation for Mixture Logic (1)
ADDITIVE HAZARDS
• Acute Toxicity
• Skin Corrosion/Irritation
• Serious Eye Damage/Eye Irritation
• Specific Target Organ Toxicity (Single Exposure) – Category 3
• Aspiration Hazard
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Additive Calculation
Non-additive Calculation In a non-additive calculation, substances are looked at
individually to determine whether the overall mixture is
classified.
If ingredient(s) are below Cut-off/Concentration Value,
mixture is not classified.
Types of calculation for mixture logic (2)
Non-Additive Hazards
• Respiratory and Skin
Sensitization
• Reproductive Toxicity
• Carcinogen
• Germ Cell Mutagenicity
• Specific Target Organ Toxicity
(Single and Repeat Exposure)
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Additive example…
Non-additive example
If a mixture contains two ingredients classified as carcinogen category 1a which are present
below the cut-off value/concentration limit, then the overall mixture will not be classified as
carcinogen category 1a.
Additive/Non-additive in a picture
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Classification steps
for all Hazard
Classifications
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Classification
Substance
(Based on data
for the
substance)
Substance
(Based on
substance data
i.e. UVCB)
Mixture (Based
on substance
data)
Mixture (Based
on mixture
data)
Classification for substances/mixtures
based on substance data/mixture data
will follow the same ‘rules’
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©2016 Sphera 19
Non-additive hazards
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Non-Additive Example:
If a mixture contains a Category 1A ingredient at a concentration
greater than or equal to 0.1%, then the overall mixture is classified as
Category 1A.
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©2016 Sphera 21
Carcinogenicity & Germ Cell Mutagenicity
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Do it yourself:
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What is classification of the two mixtures below (use handout!).
1)
2)
What is the overall classification of mixture 1 and 2?
Substance % Classification
A 0.85 Carcinogen Cat 1b
B 0.09 Carcinogen Cat 2
C 99.06 Not classified
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What is the definition of a carcinogen?
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What is the definition of a Germ Cell Mutagen?
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Cut-off values for mixture logic
(carcinogen and mutagen)
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Outcome Mixture 1
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Substance % Classification
A 0.85 Carcinogen Cat 1b
B 0.09 Carcinogen Cat 2
C 99.06 Not classified
Carcinogen Category 1b
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Outcome mixture 2
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Mutagen Category 1a
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Discussion
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Would you include National CMR lists in the hazard ranking?
Other examples: Xylene (NL: Reprotox), Carbon Black (BE: Carc)
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Discussion….
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GHS US includes IARC and NTP data for Carcinogen Classification.
CLP doesn’t.
Leave CMR data from
other sources out?
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©2016 Sphera 30
Respiratory andSkin Sensitizer
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What is the definition of a Resp./Skin Sensitizer?
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Cut-off values for respiratory/skin sensitizers
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If a mixture contains a Category 1a ingredient at a concentration greater than or
equal to 0.1%, then the overall mixture is classified as Category 1 (no
subcategories).
Additional information (1)
Cut-off values for respiratory/skin sensitizers
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Additional information (2)
Cut-off values for respiratory/skin sensitizers
Elicitation of a (sensitizing) ingredient must be done at 1/10 of cut-off;
Cat 1/1B at 0.1%
Cat 1A at 0.01%
Not many Cat 1A substances in annex 3
Even if not classified: the user is warned for possible allergic reactions
Example:
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ReproductiveToxicity
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Question:
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Is this product classified? (Use Handout)
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What is the definition or Reproductive Toxicity?
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Special category within in the Reprotoxicity
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Cut-off values for Reproductive Toxicity
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Answer
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©2016 Sphera 41
Specific Target Organ Toxicity(Single/Repeated Exposure)
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What is the definition of Specific Target Organ Toxicity (Single or Repeated Exposure)?
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Categories of Specific Target Organ Toxicity
(for non-additive calculation)
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Cut-off values for STOT (SE and RE)
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Do it yourself:
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What is classification of this liquid mixture?
Substance % Classification
A 4.5 Specific Target Organ (Single
Exposure) Cat 1
Respiratory Sensitizer Cat 1b
B 5.6 Carcinogen Cat 1a
C 89.9 Not classified
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Answer
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Specific Target Organ (SE) Cat 2
Substance % Classification
A 4.5 Specific Target Organ (Single Exposure) Cat 1
Respiratory Sensitizer Cat 1b
B 5.6 Carcinogen Cat 1a
C 89.9 Not classified
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Answer (cont)
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Respiratory Sensitizer Cat 1
Substance % Classification
A 4.5 Specific Target Organ (Single Exposure) Cat 1
Respiratory Sensitizer Cat 1b
B 5.6 Carcinogen Cat 1a
C 89.9 Not classified
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Answer (cont)
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Carcinogen Cat 1a
Substance % Classification
A 4.5 Specific Target Organ (Single Exposure) Cat 1
Respiratory Sensitizer Cat 1b
B 5.6 Carcinogen Cat 1a
C 89.9 Not classified
Example: STOT (SE) 1
Overall Classification:Carcinogen Cat 1a
Resp. Sensitizer Cat 1
STOT (SE) Cat 2
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Discussion: How to “rank” this product?
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For you to know as well…
Specific Concentration Limit This is a limit for a specific substance, which will
cause classification of a mixture
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©2016 Sphera 51
Additive hazards
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Additive Calculation In an additive calculation, multiple components can contribute toward the mixture classification
Non-additive Calculation
Remember?
ADDITIVE HAZARDS
• Acute Toxicity
• Skin Corrosion/Irritation
• Serious Eye Damage/Eye Irritation
• Specific Target Organ Toxicity (Single Exposure) – Category 3
• Aspiration Hazard
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Additive Calculation: important to know
Relevant Ingredient
Threshold
This is the limit at which a substance is included in
an additive calculation
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Examples:
0.1% Asp.Haz Cat 1 + 5% Asp. Haz. Cat 1 = 5% Asp. Haz. Cat 1
0.1% Acute Tox. Cat. 1 + 3% Acute Tox. Cat 1 = 3.1%
3% Skin Corr. Cat 1 + 0.9 Skin Corr. Cat. 1 = 3% Skin Corr. Cat 1
0.5% Eye Irr. Cat 2 + 2% Eye Irr. Cat 2 = 2% Eye Irr. Cat 2
RIT for Acute Tox Cat 1/2/3 = 0.1%
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©2016 Sphera 54
Specific Target Organ Toxicity(Single Exposure)
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Categories of Specific Target Organ Toxicity
(for additive calculation)
Cut-off/concentration value
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Do it yourself:
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What is classification of this liquid mixture?
Substance % Classification
A 1.5 Specific Target Organ (Single Exposure) Cat 3
B 18.5 Respiratory Sensitizer Cat 1b
Specific Target Organ (Single Exposure) Cat 3
C 86.0 Not classified
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Ànswer
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Respiratory Sensitizer Cat 1
Substance % Classification
A 1.5 Specific Target Organ (SE) Cat 3
B 18.5 Respiratory Sensitizer Cat 1b
Specific Target Organ (Single
Exposure) Cat 3
C 86.0 Not classified
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Answer (cont.)
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STOT – SE: Classified
Substance % Classification
A 1.5 Specific Target Organ (SE) Cat 3
B 18.5 Respiratory Sensitizer Cat 1b
Specific Target Organ (Single Exposure) Cat 3
C 86.0 Not classified
20% of Substance STOT SE Cat 3 (1.5 + 18.5)
Overall Classification:Respiratory Sensitizer Cat 1
STOT SE Cat 3
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©2016 Sphera 59
Skin + Eye Corrosion/Irritation
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What is the definition of Skin Corrosion (irritation) and Eye Damage (irritation)?
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Categories of Skin Corrosion/Irritation
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Categories of Serious Eye Damage/Irritation
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Concentration limits for Skin and Eye Corrosion/Irritation
Skin Corrosion also influences
Eye Damage!
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Additional information (Skin)
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A mixture may be classified in sub-categories of skin corrosion category 1
under certain conditions.
3% Cat 1A + 3% Cat 1B = Cat 1B
2% Cat 1A + 5% Cat 1B + 7% Cat 1C = Cat 1B
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Additional information (Skin and Eye)
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For strong acids and bases, pH should be used to determine the
classification instead of cut-off/concentration limit since it is a better
indicator of corrosion for these type of mixtures.
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Additional information (Eye)
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Example SDS
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Do it yourself
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Untested liquid mixture consists of three substances with
the following classifications and concentrations.
1)
2)
What is the overall classification of the untested mixtures?
Substance % Classification
A 3.5 Skin corrosion/irritation Cat 1a
B 5.5 Skin corrosion/irritation Cat 2
C 91.0 Not classified
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Answer 1)
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Skin irritation Cat 2
Serious Eye damage Cat 1
Substance % Classification
A 3.5 Skin corrosion/irritation Cat 1a
B 8.5 Skin corrosion/irritation Cat 2
C 91.0 Not classified
Since substance A was classified as Category 1a, a classification of Serious eye damage Category 1 is assumed.
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Answer 2)
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Skin corrosion Cat 1c
Serious eye damage Cat 1
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©2016 Sphera 71
Aspiration hazard
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What is the definition of Aspiration Hazard?
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Concentration limits for Aspiration Hazard
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©2016 Sphera 74
Acute toxicity
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Acute toxicity
The question is, how do we translate this…
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We have the data
now we need the key….
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Do it yourself:
79
Bezene
Oral LD50 of 930 mg/kg (rat)
Oral LD50 of 4700 mg/kg (mouse)
Methanol
Oral LD50 of 5600 mg/kg (rat)
Acrylonitril
Dermal LD50 of 148 mg/kg (rat)
Dermal LD50 of 63 mg/kg (rabbit)
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Answer:
80
Bezene
Oral LD50 of 930 mg/kg (rat)
Category 4
(Not classified on basis of CLP)
Methanol
Oral LD50 of 5600 mg/kg (rat)
Not classified on basis of test
(Cat 3 on basis of CLP)Acrylonitrile
Dermal LD50 of 63 mg/kg (rabbit)
Category 2
(Cat 3 on basis of CLP)
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Additional InformationInhalation Tests
81
4
_1/__4
testhourMistDusthour
2
_1/__4
testhourVaporsGaseshour
15
4= 3.75
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Discussion: How would you rank these substances?
Substance X: LD50 oral (rat) : 4.5 mg/kg
Substance Y: LD50 oral (rat): 45 mg/kg
Substance Z; LD50 oral (rat): 450 mg/kg
Like: X > Y > Z or differently?
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Discussion: Ranking Cat 1 and Cat 2
Substance X: LD50 oral (rat) : 4.5 mg/kg (Cat 1) H Statement 300
Substance Y: LD50 oral (rat): 45 mg/kg (Cat 2) H Statement 300
Substance Z; LD50 oral (rat): 450 mg/kg (Cat 4) H Statement 302
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Classifying a mixture when there is ≤10% of ingredients within unknown toxicity
84
This is the
calculation that
will be used
when there is
data available
on all
ingredients.
Ci is easy, this is
just the
concentration
of the
component in
the mixture.
ATEi is the ATE
of the
ingredient (use
handout to find)
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85
NEXT SLIDE
Classifying a mixture when there is ≤10% of ingredients within unknown toxicity (cont.)
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86
This table will give
you an acute toxicity
point estimate for
components which
only have range
values or a hazard
category.
Classifying a mixture when there is ≤10% of ingredients within unknown toxicity (cont.)
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Do it yourself (together)
87
Substance 1 – 45%, Oral LD50 4mg/kg
Substance 2 – 25%, Oral LD50 55,g/kg
Substance 3 – 29.2%, Acute Tox. Cat 2 (ATE value 5)
Substance 4 – 0.8%, Oral LD50 350mg/kg
Example: Acute 4
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Answer
88
Substance 1 – 45%, Oral LD50 4mg/kg
Substance 2 – 25%, Oral LD50 55,g/kg
Substance 3 – 29.2%, Acute Tox. Cat 2 (ATE value 5)
Substance 4 – 0.8%, Oral LD50 350mg/kg
Which Ingredients would be considered ‘relevant’?
• Ingredient 1, the substance is considered ‘classified’
and is in the composition above 0.1%
• Ingredient 2, the substance is considered ‘classified’
and is in the composition above 0.1%
• Ingredient 3, the substance is considered ‘classified’
and is in the composition above 0.1%
Ingredient 4 is not considered ‘relevant’ because it is
in the composition at <1%
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Answer (cont)
89
Substance 1 – 45%, Oral LD50 4mg/kg
Substance 2 – 25%, Oral LD50 55,g/kg
Substance 3 – 29.2%, Acute Tox. Cat 2 (ATE value 5)
Substance 4 – 0.8%, Oral LD50 350mg/kg
ATEmix
Ci
ATEi
100=
ATEmi
x
45
4
25
55+100 = 29.2
5+
ATEmix
11.25 0.455+100
= 5.84+
ATEmix
17.54100
=
ATEmix17.54
100=
ATEmix5.7=
Acute Toxicity (Oral) – Category 2
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90
Under what circumstances would you
need to complete the Acute Toxicity
Mixture Calculation multiple times?
Pop Quiz: Acute 5
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Do it yourself (do we?)
91
Substance Conc. Oral (mg/kg) Dermal (mg/kg) Inhalation
Substance 1 75% LD50 55 LD50 1500 None
Substance 2 24.8% LD50 10 LD50 2500 None
Substance 3 0.2% LD50 400 LD50 1100 None
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Answer
92
Which Ingredients would be considered ‘relevant’?
Ingredient 1, the substance is considered ‘classified’
and is in the composition above 1%
Ingredient 2, the substance is considered ‘classified’
and is in the composition above 1%
Ingredient 3 is not considered ‘relevant’ because it is
in the composition at <1%
Substance Conc. Oral (mg/kg) Dermal (mg/kg) Inhalation
Substance 1 75% LD50 55 LD50 1500 None
Substance 2 24.8% LD50 10 LD50 2500 None
Substance 3 0.2% LD50 400 LD50 1100 None
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Answer (cont)
93
ATEmix
Ci
ATEi
100=
ATEmix
75
55
24.8
10+100 =
ATEmix
1.36 2.48+100
=
ATEmix
3.84100
=
ATEmix3.84
100=
ATEmix26.04=
Oral
Substance Conc. Oral (mg/kg) Dermal (mg/kg) Inhalation
Substance 1 75% LD50 55 LD50 1500 None
Substance 2 24.8% LD50 10 LD50 2500 None
Substance 3 0.2% LD50 400 LD50 1100 None
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Answer (cont.)
94
Acute Toxicity (Oral) –
Category 2
ATEmix26.04=
Substance Conc. Oral (mg/kg) Dermal (mg/kg) Inhalation
Substance 1 75% LD50 55 LD50 1500 None
Substance 2 24.8% LD50 10 LD50 2500 None
Substance 3 0.2% LD50 400 LD50 1100 None
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95
ATEmix
Ci
ATEi
100=
ATEmix
0.06100
=
ATEmix0.06
100=
ATEmix 1666.67 mg/kg=
ATEmix
75
1500
24.8
2500+100
=
ATEmix
0.05 0.01+100
=
Dermal
Answer (cont.)Substance Conc. Oral (mg/kg) Dermal (mg/kg) Inhalation
Substance 1 75% LD50 55 LD50 1500 None
Substance 2 24.8% LD50 10 LD50 2500 None
Substance 3 0.2% LD50 400 LD50 1100 None
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96
Acute Toxicity
(Dermal) –
Category 4
ATEmix 1666.67mg/kg=
Answer (cont.)Substance Conc. Oral (mg/kg) Dermal (mg/kg) Inhalation
Substance 1 75% LD50 55 LD50 1500 None
Substance 2 24.8% LD50 10 LD50 2500 None
Substance 3 0.2% LD50 400 LD50 1100 None
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97
Overall ClassificationAcute Toxicity (Oral) – Category 2
Acute Toxicity (Dermal) – Category 4
Answer (cont.)Substance Conc. Oral (mg/kg) Dermal (mg/kg) Inhalation
Substance 1 75% LD50 55 LD50 1500 None
Substance 2 24.8% LD50 10 LD50 2500 None
Substance 3 0.2% LD50 400 LD50 1100 None
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Do it yourself (or is this for later?)
98
Substance Conc. Inhalation (mg/l)
Substance 1 85% LCC50 Vapor 9,
1 hr test
Substance 2 0.05% LCC50 Vapor 9,
1 hr test
Substance 3 14.5% NLCC50 Vapor 12, 4 hr
test
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Answer
99
Which Ingredients would be considered ‘relevant’?
Ingredient 1, the substance is considered ‘classified’
and is in the composition above 1%
Ingredient 3, the substance is considered ‘classified’
and is in the composition above 1%
Ingredient 2 is not considered ‘relevant’ because it is
in the composition at <0.1%
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100
4 Hour Gases/Vapors =
9
2= 4.5
1 Hour Test
2
1 hour test conversion
Answer (cont)
Inhalation
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101
ATEmix
Ci
ATEi
100= ATEmix
20.1100
=
ATEmix20.1
100=
ATEmix 4.98 mg/l=
ATEmix
85
4.5
14.5
12+100
=
ATEmix
18.89 1.21+100
=
Answer (cont)
Inhalation
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102
Acute Toxicity
(inhalation) –
Category 3
Answer (cont)
ATEmix 4.98 mg/l=
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103
Mathematically, when you are looking at the borders of the
classification ranges for the ATE, it is possible to have all components
classified as Category 2, but have the calculated classification turn out
to be a category 1.
This note states that if all the components are classified with the same
category for a certain route of entry, then the material should be
classified in that category.
Additional not on classification
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Example
104
Mixture contains:
70% Substance A Oral Category 2 (ATE value 5)
30% Substance B Oral Category 2 (ATE value 5)
ATEmix
Ci
ATEi
ATEmix= 70
5
30
5+= 5 = Category 1
100=
100
But: the note indicates that this should be classified as a
category 2.
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105
Additional note on classification
The only new part is the
total concentration of
the unknown
components.
Classification is more
‘severe’ (punishment for
not knowing the toxicity
of an ingredient)
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Example
106
Mixture contains:
40% Substance A Oral Category 3 (ATE value 100)
30% Substance B Oral Category 2 (ATE value 5)
30% Substance C Unknown toxicity
ATEmix
Ci
ATEi
ATEmix= 40
100
30
5+= 10.9 = Category 2
100 - 30=
70
If not “unknown” ATE would be: 15.6 (same cat.)
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Supplemental Hazard Information (EUHXX)
• No “official” classification categories
• Usually added at the mixture level (except EUH070)
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Discussion
Classification vs Hazards not Classified?
108
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109
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Exercises From existing SDS’s
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Product 1
111
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Answer
112
• Eye Irritation: Additive classification (>10%): Classified
• STOT RE 3: Additive classification (>20%) : Classified
• Aspiration Hazard: More than 10% Asp.Haz Cat 1, BUT
No kinematic viscosity known Not classified
Overall classification: Eye Irr. Cat 2
STOT RE Cat 3 (narcotic)
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113
•Eye Irritation: Additive classification
• Cat 1: 2,5% (less than 3%): Not Classified
• Cat 2: Cat 1 ingredient is >1 and < 3%: Classified
•Acute Toxicity:
2,5 = 100 ATEmix = 20000 Not classified
500 ATEmix
Supplier:
Answer
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Answer
114
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Product 3
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Product 3
Asp.Haz: No viscosity Not classified
Repr. Cat 2: > 1% Classified
Skin Sens Cat 1: > 1% Classified
Stot RE Cat 2: < 10% Not classified
Skin Irr. Cat 2: (total) > 10% Classified
Eye Irr. Cat 2: (total) < 3% Not classified
STOT SE Cat 3: (total) < 20% Not classified
Acute Tox (oral): ATE = 1785 Classified Cat 4 (oral)
Acute Tox (dermal): ATE = 5000 Not classified
Acute Tox (inhalation, vapours): ATE = 34 Not classified
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Product 3
•Supplier Info