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References

1. https://www.ccohs.ca/oshanswers/chemicals/whmis_ghs/pictograms.html
2. http://www.hse.gov.uk/chemical-classification/labelling-packaging/hazard-symbols-
hazard-pictograms.htm
3. https://echa.europa.eu/regulations/clp/clp-pictograms
4. https://echa.europa.eu/documents/10162/23036412/sds_en.pdf/01c29e23-2cbe-49c0-
aca7-72f22e101e20
5. https://www.hse.gov.uk/reach/resources/reachsds.pdf
6. https://www.hsa.ie/eng/Publications_and_Forms/Publications/Occupational_Health/Local_
Exhaust_Ventilation_LEV_Guidance.pdf
7. http://www.hse.gov.uk/pubns/priced/hsg258.pdf
8. https://www.osha.gov/dts/osta/otm/otm_iii/otm_iii_3.html

ENSIGN| Unit IG2 – Element 7 – Chemical and Biological 59
Agents