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Notice Of Addition Of Documents And Information To OAL Rulemaking File No. Z-08-0318-08, Amendment To Title 27, Section 25705: No Significant Risk Level (NSRL) for Ethylbenzene

The Office of Environmental Health Hazard Assessment (OEHHA) is providing notice that documents and other information which the agency has relied upon in proposing an amendment to Title 27, California Code of Regulations, Section 25705, have been added to the rulemaking file and are available for public inspection and comment.1

The documents and information added to the rulemaking file are listed below.  These documents are available for inspection at OEHHA’s office located at 1001 “I” Street, 19th Floor, Sacramento, CA, beginning on February 10, 2009 between the hours of 8:00 a.m. and 5:00 p.m.2; If you have any comments regarding these documents and other information, please submit your comments between February 10 and February 26, 2009.  Written comments must be submitted to OEHHA by e-mail, U.S. Mail, fax, courier or hand-delivery, no later than 5:00 p.m. on February 26, 2009, and addressed to:

Office of Environmental Health Hazard Assessment
Street Address: 1001 I Street, 19th Floor
Sacramento, CA 95814
Mailing Address: P.O. Box 4010
Sacramento, CA 95812
Fax No.:  (916) 323-8803  Telephone:  (916) 445-6900
E-mail: P65Public.Comments@oehha.ca.gov

It is requested but not required that hard-copy comments be submitted in triplicate. All written comments received by February 26, 2009 that pertain to the above-listed documents and other information will be reviewed and responded to by OEHHA’s staff as part of the rulemaking process.  Inquiries may be directed to Sam Delson at the contact information noted above. 

Documents and information added to rulemaking file No. Z-08-0318-08:

Chen CS, Hseu YC, Liang SH, Kuo J-Y, Chen SC (2008).  Assessment of genotoxicity of methyl-tert-butyl ether, benzene, toluene, ethylbenzene, and xylene to human lymphocytes using comet assay.  J Hazard Mater 153:351-356.

Henderson L, Brusick D, Ratpan F, Veenstra G (2007).  A review of the genotoxicity of ethylbenzene.  Mutat Res 635:81-89.

Lock EA, Hard GC (2004).  Chemically induced renal tubule tumors in the laboratory rat and mouse: review of the NCI/NTP database and categorization of renal carcinogens based on mechanistic information.  Crit Rev Toxicol 34(3):211-299.

Office of Environmental Health Hazard Assessment (OEHHA, 2007a).  Summary of Public Comments on “Proposal for the Adoption of a Unit Risk Factor for Ethylbenzene:  Long-Term Health Effects of Exposure to Ethylbenzene” and OEHHA Responses.  Air Toxics Hot Spots Program, OEHHA, California Environmental Protection Agency. 

U.S. Environmental Protection Agency (U.S. EPA, 2007).  Interim VCCEP Evaluation: Summary of Comments on the VCCEP Pilot Program.  Compiled by Eastern Research Group, Inc. for the U.S. Environmental Protection Agency. 

Wolf D, Mann P (2005).  Confounders in interpreting pathology for safety and risk assessment.  Toxicol Appl Pharmacol 202:302-308.

Footnotes and References

1 Government Code sections 11346.8(d), 11346.9(a)(1), and 11347.1

2 To comply with the Governor's order calling for furloughs, the California Environmental Protection Agency will be closed the first and third Fridays of every month, until further notice.