Notices

Legal notices and other information about Public Health Goals, Notification Levels and other water-related content.

Water-related Notices

Jul 10, 2001: Health Risk Information for Public Health Goal Exceedance Reports
The Health Risk Information for Public Health Goal Exceedence report for 2001 is now available.
Jul 5, 2001: Proposed Action Level for Carbon Disulfide
OEHHA has determined that 160 ug/L (ppb) of carbon disulfide in drinking water is protective of human health.
Jul 1, 2001: Initiation of Risk Assessments for Chemicals in Drinking Water (2001)
OEHHA announces the initiation of Risk Assessments for Chemicals in Drinking Water in 2001 for the following chemicals: 1,1-dichloroethane, cis/trans-1,2-dichloroethylene, 2,3,7,8-...
Jun 29, 2001: Public Health Goal for Benzene in Drinking Water
The final technical support document for the Public Health Goal for benzene in drinking water is available.
May 24, 2001: Proposed Notification levels for 1,2,4-Trimethylbenzene and 1,3,5-Trimethylbenzene
OEHHA recommends an action level of 330 ppb (ug/L) for both 1,2,4-trimethylbenzene and 1,3,5-trimethylbenzene in drinking water.
Apr 6, 2001: Public Health Goal for Aluminum in Drinking Water
The final technical support document for the Public Health Goal for aluminum is available
Mar 27, 2001: State to Develop Health Goal, Seeks Scientific Review of Chromium 6 in Drinking Water
The California Environmental Protection Agency, on behalf of OEHHA, has asked the University of California (UC) to establish a blue-ribbon panel of expert scientists nationwide to review scientific...
Oct 27, 2000: Proposed Notification Level for n-Propylbenzene
OEHHA recommends a Notification Level of 260 mg/L for n-propylbenzene in drinking water.
Oct 27, 2000: Proposed Notification Levels for sec-Butylbenzene and tert-Butylbenzene
OEHHA recommends action levels of 260 ppb (ug/L) for sec-butylbenzene and tert-butylbenzene.
Sep 8, 2000: Announcement of Public Health Goals for 6 Chemicals in Drinking Water
OEHHA announces the availability of six Public Health Goals for chemicals in drinking water.  These chemicals are: carbofuran, carbon tetrachloride, dichloromethane, diquat, thiobencarb, and vinyl...
Aug 24, 2000: Proposed Notification Level for Vanadium
OEHHA recommends a Notification Level of 15 ppb (ug/L) for vanadium in drinking water.
Jun 7, 2000: Proposed Action Level for 2-Chlorotoluene
OEHHA recommends an action level of 140 ppb (ug/L) for o-chlorotoluene in drinking water.
Apr 20, 2000: Proposed Notification Level for Naphthalene
OEHHA recommends a Notification Level of 170 ppb (ug/L) for naphthalene in drinking water.
Feb 11, 2000: Second Posting of Draft Technical Support Documents for Proposed Public Health Goals for 12 Chemicals in Drinking Water
OEHHA announces the availability of a second draft of 12 draft technical support documents for Public Health Goals (PHGs) for chemicals in drinking water.  These chemicals are: aluminum, benzene,...
Dec 29, 1999: Proposed Notification Level for Methyl Isobutyl Ketone
OEHHA determined a proposed Notification Level of 120 ppb (ug/L) for methyl isobutyl ketone.
Oct 8, 1999: Announcement of Public Workshop for Proposed Public Health Goals for 12 Chemicals in Drinking Water
OEHHA announces a public workshop to discuss 12 draft technical support documents for Public Health Goals (PHGs) for chemicals in drinking water.  These chemicals are: aluminum, benzene, carbofuran,...
Jul 1, 1999: Chemicals Undergoing Evaluation for Public Health Goal Development in 1999
The following chemicals are undergoing evaluation for Public Health Goal development in 1999: aluminum, benzene, carbofuran, carbon tetrachloride, dichloromethane (DCM), diquat, nickel, perchlorate,...
Jun 2, 1999: Expedited Evaluation of Risk Assessment for Tertiary Butyl Alcohol in Drinking Water
OEHHA conducted an expedited human health risk assessment of tertiary butyl alcohol in drinking water.  An interim assessment concentration of 12 µg/L was determined.
May 28, 1999: Proposed Action Level for 1,2,3-Trichloropropane
OEHHA determined that a proposed action level of 0.005 ug/L for 1,2,3-trichloropropane in drinking water is appropriate.
Mar 9, 1999: Public Health Goal for Methyl Tertiary Butyl Ether in Drinking Water
OEHHA adopted a Public Health Goal (PHG) of 13 ppb (parts per billion, or micrograms per liter) for methyl tertiary butyl ether (MTBE) in drinking water.

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