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Contaminant Name: 1,3,5 Trimethylbenzene CAS Number: 108-67-8 Assessor A: Mathew Rouge Assessor B: Gareth Wills Final Review: Panel/SF<br />

Date: Mar-09 Date: Apr-09 Date:<br />

28/08/2009<br />

Apply TDIoral to exposure routes<br />

Apply IDoral to exposure routes<br />

Apply TDIinh to exposure routes<br />

Apply IDinh to exposure routes<br />

Oral<br />

Inhalation<br />

Dermal<br />

No No No<br />

No No No<br />

No No No<br />

No No No<br />

Combine Oral Justification<br />

and Inhalation<br />

TDIs<br />

Insufficient data with sufficient detail in derivation<br />

to derive HCV. No in<strong>for</strong>mation available regarding<br />

carcinogenicity<br />

N/A<br />

Insufficient data with sufficient detail in derivation<br />

to derive HCV. No in<strong>for</strong>mation available regarding<br />

carcinogenicity<br />

TDI oral<br />

Recommended<br />

TDIoral Units<br />

Justification<br />

none ug.kg-1.d-1 No recommended TDIoral. Insufficient data with detail on derivation to derive TDIoral<br />

Organisation Web Link Last Updated Date Web Checked <strong>Health</strong> criteria type Value Initial Units CLEA units ug.kg-<br />

1.d-1<br />

US EPA Provisional Peer Reviewed Toxicity<br />

Values (PPRTV)<br />

Office of Environmental <strong>Health</strong> Hazard<br />

<strong>Assessment</strong><br />

Confidence<br />

rating<br />

Basis Value Units UF UF description Study type<br />

http://rais.ornl.gov/tox/unauthorized.shtml 2009 Jul-09 n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a<br />

http:oehha.ca.gov/water/pals/124135tmb.ht<br />

ml<br />

2001 Jul-09 RfD 47.66 ug/kg bw/day 47.66 Not provided NOAEL 143 mg/kg-day 3000 10 <strong>for</strong> interspecies extrapolation, 10<br />

<strong>for</strong> extrapolation from subchronic to<br />

chronic study, 10 <strong>for</strong> human<br />

variability, 3 <strong>for</strong> database deficiencies.<br />

Subchronic rat<br />

study<br />

<strong>Risk</strong> <strong>Assessment</strong> In<strong>for</strong>mation System http://rais.ornl.gov/tox/rap_toxp.shtml 2008 Mar-09 RfD 50 ug/kg bw/day 50 Low NOAEL Not provided Not provided 3000 Not provided Not provided<br />

Texas Commission on Environmental<br />

Quality<br />

http://www.tceq.state.tx.us/remediation/rrr.<br />

html<br />

2008 Mar-09 RfD 50 ug/kg bw/day 50 Not provided Not provided Not provided Not provided Not provided Not provided Not provided<br />

TDI inhal<br />

Recommended<br />

TDIoral Units<br />

Justification<br />

none ug.kg-1.d-1 No recommended TDIinh. Insufficient data with detail on derivation to derive TDIinhalation<br />

Organisation Last Updated <strong>Health</strong> criteria type Value Initial Units CLEA units ug.kg-<br />

1.d-1<br />

<strong>Health</strong> and Safety Executive (HSE) http://www.hse.gov.uk/ 2007 Mar-09 Workplace Exposure<br />

Limit<br />

US EPA Provisional Peer Reviewed Toxicity<br />

Values (PPRTV)<br />

125 (All<br />

trimethylbenzen<br />

e isomers)<br />

mg/m3<br />

35714.29 ug/kg<br />

bw/day<br />

Confidence<br />

rating<br />

Basis Value Units UF UF description Study type<br />

Not provided Not provided Not provided Not provided Not provided Not provided Not provided<br />

http://rais.ornl.gov/tox/unauthorized.shtml 2009 Jul-09 n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a<br />

<strong>Risk</strong> <strong>Assessment</strong> In<strong>for</strong>mation System http://rais.ornl.gov/tox/rap_toxp.shtml 2008 Mar-09 RfC 6.00E-03 mg/m3 1.71 ug/kg bw/d low NOAEL 18 mg/m3 3000 No details provided <strong>Human</strong> study<br />

Texas Commission on Environmental<br />

Quality<br />

http://www.tceq.state.tx.us/remediation/rrr.<br />

html<br />

2008 Mar-09 RfC 6.00E-03 mg/m3 1.71 ug/kg bw/d Not provided Not provided Not provided Not provided Not provided Not provided Not provided<br />

ID oral<br />

Recommended<br />

IDoral<br />

none<br />

Units<br />

ug.kg-1.d-1<br />

Justification<br />

No in<strong>for</strong>mation available regarding carcinogenicity<br />

Organisation Web Link Last Updated Date Web Checked Non threshold<br />

effects<br />

US EPA Provisional Peer Reviewed Toxicity<br />

Values (PPRTV)<br />

Basis<br />

<strong>Health</strong> criteria<br />

type<br />

Value Units Confidence rating<br />

Basis<br />

Study type<br />

http://rais.ornl.gov/tox/unauthorized.shtml 2009 Jul-09 n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a<br />

ID inhal<br />

Recommended<br />

IDinhal<br />

none<br />

Units<br />

ug.kg-1.d-1<br />

Justification<br />

No in<strong>for</strong>mation available regarding carcinogenicity<br />

Organisation Web Link Last Updated Date Web Checked Non threshold<br />

effects<br />

Basis<br />

<strong>Health</strong> criteria<br />

type<br />

Value Units Confidence rating<br />

Basis<br />

Study type<br />

(Page 1 of 2) (EIC pro<strong>for</strong>ma 1,3,5-trimethylbenzene.xls 28/08/2009)

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