Difference between revisions of "CCCR Classification of Toxic Products"

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==CCCR 2001: Section 34, Subsection 2: Sub-categories — oral exposure ==
 
==CCCR 2001: Section 34, Subsection 2: Sub-categories — oral exposure ==
 
A chemical product that poses a risk to a consumer through an oral route and has an LD50 set out in column 1 of the table to this subsection must be classified in the sub-category set out in column 2.  
 
A chemical product that poses a risk to a consumer through an oral route and has an LD50 set out in column 1 of the table to this subsection must be classified in the sub-category set out in column 2.  
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==CCCR 2001: Section 34 Subsection 2: Table - Sub-categories — oral exposure==
 
==CCCR 2001: Section 34 Subsection 2: Table - Sub-categories — oral exposure==
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==CCCR 2001: Section 34, Subsection 3: Sub-categories — dermal exposure==
 
==CCCR 2001: Section 34, Subsection 3: Sub-categories — dermal exposure==
 
A chemical product that poses a risk to a consumer through an oral route and has an LD50 set out in column 1 of the table to this subsection must be classified in the sub-category set out in column 2.  
 
A chemical product that poses a risk to a consumer through an oral route and has an LD50 set out in column 1 of the table to this subsection must be classified in the sub-category set out in column 2.  
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==CCCR 2001: Section 34 Subsection 3: Table - Sub-categories — dermal exposure==
 
==CCCR 2001: Section 34 Subsection 3: Table - Sub-categories — dermal exposure==
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</TABLE>
 
</TABLE>
  
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==CCCR 2001: Section 34, Subsection 4: Sub-categories — inhalation exposure==
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A chemical product that poses a risk to a consumer through inhalation, is in the state set out in column 1 of the table to this subsection and has a 4-hour LC50 set out in column 2 must be classified in the sub-category set out in column 3.
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==CCCR 2001: Section 34 Subsection 4: Table - Sub-categories — inhalation exposure==
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<TABLE BORDER="1">
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<TR>
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<TD></TD>
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<TD>'''Column 1'''</TD>
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<TD>'''Column 2'''</TD>
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<TD>'''Column 3'''</TD>
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</TR>
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<TR>
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<TD>'''Item'''</TD>
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<TD>'''Substance of special concern+'''</TD>
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<TD>'''Concentration'''</TD>
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<TD>'''Sub-category'''</TD>
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</TR>
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<TR>
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<TD>1.</TD>
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<TD>Gas</TD>
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<TD>(a) not more than 2 500 mg/m3</TD>
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<TD>Very Toxic</TD>
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</TR>
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<TR>
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<TD></TD>
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<TD>Gas</TD>
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<TD>(b) more than 2 500 mg/m3 but not more than 5 000 mg/m3</TD>
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<TD>Harmful</TD>
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</TR>
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<TR>
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<TD>2.</TD>
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<TD>Vapour</TD>
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<TD>(a) not more than 1 500 mg/m3</TD>
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<TD>Very Toxic</TD>
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</TR>
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<TR>
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<TD></TD>
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<TD>Vapour</TD>
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<TD>(b) more than 1 500 mg/m3 but not more than 2 500 mg/m3</TD>
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<TD>Toxic</TD>
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</TR>
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<TR>
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<TD></TD>
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<TD>Vapour</TD>
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<TD>(c) more than 2 500 mg/m3 but not more than 10 000 mg/m3</TD>
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<TD>Harmful</TD>
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</TR>
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<TR>
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<TD>3.</TD>
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<TD>Dust, mist or fume</TD>
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<TD>(a) not more than 0.5 mg/L</TD>
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<TD>Very Toxic</TD>
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</TR>
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<TR>
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<TD></TD>
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<TD>Dust, mist or fume</TD>
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<TD>(b) more than 0.5 mg/L but not more than 2.5 mg/L</TD>
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<TD>Toxic</TD>
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</TR>
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<TR>
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<TD></TD>
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<TD>Dust, mist or fume</TD>
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<TD>(c) more than 2.5 mg/L but not more than 5.0 mg/L</TD>
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<TD>Harmful</TD>
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</TR>
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</TABLE>
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 +
'''Note''': ''In the [http://www.hc-sc.gc.ca/cps-spc/legislation/acts-lois/techni_e.html Proposed Technical Amendments to the Consumer Chemicals and Containers Regulations, 2001] there is the following amendment:''
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''The units for the LC50 criteria for gases and vapours should be mL/m3, not mg/m3. The toxicity limits that were developed in collaboration with all stakeholders were harmonized with Canadian and other international systems, in order to avoid redundant toxicity evaluations. The recommended limits were expressed in the units of ppm by volume. In the drafting of the CCCR-2001, it was intended to express the units in clear and unambiguous terms. However, the units were inadvertently printed as mg/m3 rather than mL/m3. As a result, the values are no longer harmonized with other systems and the criteria limits do not correspond to the stakeholder recommendations.''
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''The difference in units is related to the molecular weight of the substance relative to the molar volume of air. This means that higher molecular weight gases and vapours, such as toluene and xylene, would be excluded from classification when they were intended to be captured, whereas those with a lower molecular weight, such as ammonia, would be inappropriately classified into a higher sub-category.''
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''The amendment would change all references from mg/m3 to mL/m3 in the tables to subsections 1(4) and 34(4).''
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==CCCR Reference Manual - Sections 4 and 5==
 
==CCCR Reference Manual - Sections 4 and 5==

Revision as of 10:11, 12 September 2007

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