Parameter Viewer

Document ID ca-gcdwqgtd-2015-04-15-12 Title Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Toluene, Ethylbenzene and the Xylenes URL https://www.canada.ca/en/health-canada/services/publications/healthy-living/guidelines-canadian-drinking-water-quality-toluene-ethylbenzene-xylenes/guidelines-canadian-drinking-water-quality-guideline-technical-document-toluene-ethylbenzene-xylenes-page-6.html Jurisdiction /ca Subdomain(s) Drinking water, Monitoring and reporting Language en Status completed Analyzed at 2026-04-15 01:48:24.692799+00:00 Relevance Technical guideline for drinking water quality regarding VOC contaminants.

0 Qualitative 12 Quantitative 0 Definitions

Q Qualitative Requirements (0)

No qualitative requirements.

P Quantitative Requirements (12)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Limit Type	Limit Value	Context	Conditions	Confidence
#R001	unknown	health	guideline	Default proportion of daily intake allocated to drinking water	drinking water	requirement	20 %	Proportion of daily intake used in risk assessment for toluene, ethylbenzene and xylenes	Information lack regarding presence in food insufficient to modify default	high
#R002	unknown	health	guideline	Standard Canadian drinking water consumption rate	drinking water	requirement	1.5 L/day	Standard rate used to calculate total daily exposures		high
#R003	unknown	health	guideline	Dermal exposure litre-equivalent contribution - Toluene	drinking water	requirement	0.2 L-eq	Litre-equivalent contribution from dermal exposure during showering or bathing	30-minute bathing scenario using human PBPK model	high
#R004	unknown	health	guideline	Inhalation exposure litre-equivalent contribution - Toluene	drinking water	requirement	0.43 L-eq	Litre-equivalent contribution from inhalation exposure during showering or bathing	30-minute bathing scenario using human PBPK model	high
#R005	unknown	health	guideline	Total litre-equivalent daily exposure - Toluene	drinking water	requirement	2.13 L-eq	Sum of ingestion, dermal, and inhalation exposures used in risk assessments	Based on 1.5 L/day ingestion plus bathing scenario contributions	high
#R006	unknown	health	guideline	Dermal exposure litre-equivalent contribution - Ethylbenzene	drinking water	requirement	0.21 L-eq	Litre-equivalent contribution from dermal exposure during showering or bathing	30-minute bathing scenario using human PBPK model	high
#R007	unknown	health	guideline	Inhalation exposure litre-equivalent contribution - Ethylbenzene	drinking water	requirement	0.44 L-eq	Litre-equivalent contribution from inhalation exposure during showering or bathing	30-minute bathing scenario using human PBPK model	high
#R008	unknown	health	guideline	Total litre-equivalent daily exposure - Ethylbenzene	drinking water	requirement	2.15 L-eq	Sum of ingestion, dermal, and inhalation exposures used in risk assessments	Based on 1.5 L/day ingestion plus bathing scenario contributions	high
#R009	unknown	health	guideline	Dermal exposure litre-equivalent contribution - Xylenes	drinking water	requirement	0.21 L-eq	Litre-equivalent contribution from dermal exposure during showering or bathing	30-minute bathing scenario using human PBPK model	high
#R010	unknown	health	guideline	Inhalation exposure litre-equivalent contribution - Xylenes	drinking water	requirement	0.43 L-eq	Litre-equivalent contribution from inhalation exposure during showering or bathing	30-minute bathing scenario using human PBPK model	high
#R011	unknown	health	guideline	Total litre-equivalent daily exposure - Xylenes	drinking water	requirement	2.14 L-eq	Sum of ingestion, dermal, and inhalation exposures used in risk assessments	Based on 1.5 L/day ingestion plus bathing scenario contributions	high
#R012	operational	health	guideline	Bathing scenario duration for exposure modeling	drinking water	requirement	30 minute	Used in human PBPK model to estimate litre-equivalent contributions from dermal and inhalation exposures during showering or bathing		high

D Definitions (0)

No definitions.