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Figure 14 <br /> MAJOR DIFFERENCES BETWEEN <br /> THE DHS AND WATER BOARD APPROACHES TO CLEANUP <br /> WITH RESPECT TO WATER QUALITY PROTECTION <br /> DEPARTMENT OF STATE & REGIONAL <br /> HEALTH SERVICES WATER BOARDS <br /> End points Toxicologic effects Any impact on present or <br /> addressed: on humans and other probable future beneficial <br /> biological receptors. uses of water, including <br /> non-toxicologic effects <br /> on biological receptors <br /> and effects on non- <br /> biological endpoints. <br /> What criteria Threshold effect level In the initial assessment, <br /> are applied: for non-genotoxic background. <br /> (non-mutagenic, car- Relaxed under certain <br /> cinogenic or terato- demonstrations of <br /> genic) agents. responsible parry, but in <br />__ - �0=6-risk=level#or no=case-shall=beneficial- - <br />- genotoxic agents. uses_be=impaired. _ <br /> boundary of the Any and all waters of-the <br /> criteria & site or the nearest State, even on-site or <br /> standards point-of current use. directly under- the <br /> are applied: source of contamination, <br /> 1 _ due to the probability for <br /> future beneficial use. <br /> combinations of constituents at the site,either on constituent mobility or on toxicologic <br /> endpoints (see Chapter 4 of this report). <br /> The Designated Level Methodology is not designed to account for alltential impacts of a <br /> Po P <br /> contaminated site (e g.,airborne migration of toxic constituents). Therefore other agencies, <br /> such as DHS and the Air Resources Board must be involved in site investigation and <br /> decision making processes. The Designated Level Methodology is intended to complement <br /> Designated Level Methodology = Page 47 <br />