WebPotential Contaminants. Every year, Cal Water’s Water Quality Lab performs hundreds of thousands of tests to monitor the quality of our water. If any contaminants are found, they are listed in the annual water quality report. However, most of the contaminants we test for are not found, so they are not listed in the water quality report. WebThe Agency first listed MTBE in 1998 as a candidate for development of a national Maximum Contaminant Level (MCL) standard in drinking water. As of 2024 EPA has not announced whether it will develop an MCL. EPA uses toxicity data in developing MCLs for public water systems. California established a state-level MCL for MTBE in 2000.
THE DISTRIBUTION OF EDB, BENZENE, AND 1,2-DCA AT GASOLINE ... - US EPA
WebMethyl t-butyl ether (MtBE) Chemical Constituents California Primary MCL (b) 13 ug/L Chemical Constituents California Secondary MCL (f) 5 ug/L Toxicity California Public Health Goal (OEHHA) 13 ug/L Tastes and Odors California Secondary MCL 5 ug/L Di-isoproply ether (DIPE) Tastes and Odors Amoore and Hautala, J. Applied Tox., Vol.3, … WebFederal and State MCLs—Updated 11/28/08 Page 2 of 4 U.S. EPA California Contaminant MCL (mg/L) Datea MCL (mg/L) Effective Date VOCS Benzene 0.0056/870.0012/25/89 … can i eat ice cream on a bland diet
Regional Screening Levels (RSLs) - User
WebNotification Levels. 0.002, or at the lowest level that can be reliably detected with available technologies (OEHHA’s recommendation to the Water Board, who will establish the level) 0.0065 (Because OEHHA’s reference levels for cancer are below the limit of quantitation of current analytical methods, OEHHA recommended the Board set the ... WebParadise from December 2024 to March 2024 and found benzene in 105 samples, at levels ranging from less than 1 part per billion (ppb) to 923 ppb. Benzene concentrations in 80 … WebMCL: 0.005 mg/L HAL: 1 to 10 day: 0.2 mg/L; Longer-term: 0.2 mg/L . Health Effects Summary . Acute: Acute exposure to high levels of benzene produces central nervous system (CNS) effects and death. At lower levels, above the MCL, mild CNS effects appear to be concentration dependent and rapidly reversible. can i eat ice cream with high blood pressure