英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
nonobjectivity查看　nonobjectivity　在百度字典中的解释百度英翻中〔查看〕
nonobjectivity查看　nonobjectivity　在Google字典中的解释Google英翻中〔查看〕
nonobjectivity查看　nonobjectivity　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • National Primary Drinking Water Regulations | US EPA
    Maximum Contaminant Level (MCL) - The highest level of a contaminant that is allowed in drinking water MCLs are set as close to MCLGs as feasible using the best available treatment technology and taking cost into consideration MCLs are enforceable standards
  • Drinking Water Regulations and Contaminants | US EPA
    This page contains regulations which are legally enforceable standards that apply to public water systems
  • 40 CFR Part 141 Subpart G -- National Primary Drinking Water . . .
    Beginning April 1, 2016, a public water system must determine compliance with the MCL for E coli in paragraph (c) of this section for each month in which it is required to monitor for total coliforms
  • Final PFAS National Primary Drinking Water Regulation
    EPA is setting enforceable Maximum Contaminant Levels (MCLs) at 4 0 parts per trillion for PFOA and PFOS, individually This standard will reduce exposure from these PFAS in our drinking water to the lowest levels that are feasible for effective implementation
  • National Primary Drinking Water Regulation Table | US EPA
    Table showing contaminants, MCL or TT, potential health effects from long term exposure above MCL, common sources of the contaminant in drinking water, and the public health goal
  • National Primary Drinking Water Standards - US EPA
    • Maximum Contaminant Level (MCL)—The highest level of a contaminant that is allowed in drinking water MCLs are set as close to MCLGs as feasible using the best available treatment technology and taking cost into consideration MCLs are enforceable standards
  • US EPA National Drinking Water Standards - EHSO
    Maximum Contaminant Level (MCL) - The highest level of a contaminant that is allowed in drinking water MCLs are set as close to MCLGs as feasible using the best available treatment technology and taking cost into consideration MCLs are enforceable standards
  • EPA List of Drinking Water Contaminants and MCLs
    This site contains listings of drinking water contaminants and the EPA regulatory limit for each contaminant Tables include the national primary drinking water regulations, the national secondary
  • Maximum contaminant level - Wikipedia
    Maximum contaminant levels (MCLs) are standards that are set by the United States Environmental Protection Agency (EPA) for drinking water quality [1][2] An MCL is the legal threshold limit on the amount of a substance that is allowed in public water systems under the Safe Drinking Water Act (SDWA)
  • 40 CFR Part 141 -- National Primary Drinking Water Regulations
    This part establishes primary drinking water regulations pursuant to section 1412 of the Public Health Service Act, as amended by the Safe Drinking Water Act (Pub L 93-523); and related regulations applicable to public water systems





中文字典-英文字典  2005-2009