 | United States. Congress. Senate. Committee on the District of Columbia - 1969 - 1642 pagini
...10% of th samples ordinarily shall exceed 230/100 ml. for a 5-tube decimal dilution test (or 330/100 ml. where a 3-tube decimal dilution test is used)...to fecal contamination during the most unfavorable conditions. b3 Total coliform group not to exceed a median MPN of 70/100 ml. and not more than 10%... | |
 | United States. Congress. Senate. Commerce - 1967 - 528 pagini
...more than 10 percent of the samples exceed an MPN of 2,300 per 100 ml. in those portions of the areas most probably exposed to fecal contamination during...unfavorable hydrographic and pollution conditions. (Note: this concentration might be exceeded if less than 800,000 cubic feet of a coliform-free dilution water... | |
 | 1968 - 382 pagini
...an MPN of '230 per l00 ml. for a 5-tube decimal dilution test (or 330 per l00 ml., where the 3-1 ube decimal dilution test is used) in those portions of...unfavorable hydrographic and pollution conditions. (Note: This concentration might be exceeded if less than 8 million cubic feet of a col i form -free dilution... | |
 | 1969 - 346 pagini
...exceed an MPN of 230 per 100 ml. for a 5-tube decimal dilution test (or 330 per 100 ml., where the 3-tube decimal dilution test is used) in those portions...unfavorable hydrographic and pollution conditions. (Note : This concentration might be exceeded if less than 8 million cubic feet of a coliform-free dilution... | |
 | United States. Congress. Senate. Committee on the District of Columbia - 1969 - 308 pagini
...10% of th samples ordinarily shall exceed 230/100 ml. for a 5-tube decimal dilution test (or 330/100 ml. where a 3-tube decimal dilution test is used)...to fecal contamination during the most unfavorable conditions. b3 Total coliform group not to exceed a median MPN of 70/100 ml. and not more than 10%... | |
 | United States. Congress. Senate. District of Columbia - 1969 - 302 pagini
...10% of th samples ordinarily shall exceed 230/100 ml. for a 5-tube decimal dilution test (or 330/100 ml. where a 3-tube decimal dilution test is used)...to fecal contamination during the most unfavorable conditions- b3 Total coliform group not to exceed a median MPN of 70/100 ml. and not more than 10%... | |
 | United States. Congress. Senate. Commerce - 1970 - 1064 pagini
...exceeding an MPN of 2300 per 100 ml. for a 5 tub*' decimal dilution test (or 3300 per 100 ml. where the 3-tube decimal dilution test is used) in those portions...unfavorable hydrographic and pollution conditions. Public-health explanation - Currently, the maximum degree of pollution which may be effectively reduced... | |
 | United States. Congress. Senate. Committee on Commerce - 1970 - 1804 pagini
...for • 5- tube declnal dilution test (or 330 per 100 ml., where Che 3-tube decimal dilution teat 1* used) In those portions of the area most probably...to fecal contamination during the most unfavorable hydrographlc and pollution conditions." As a result of high collform MPN levels during two of eight... | |
 | United States. Congress. Senate. Committee on Commerce - 1970 - 1410 pagini
...tube decinal dilution test (or 330 per 100 ml., where the 3-tube decimal dilution test is used) la those portions of the area most probably exposed to fecal contamination during the most unfavorable hydrographlc and pollution conditions.* AS • result of high coliform KPN levels during two of eight... | |
 | 1971 - 658 pagini
...coastal and marine waters. 5.5 Surveys to determine coliform concentrations shall include those areas most probably exposed to fecal contamination during...unfavorable hydrographic and pollution conditions. 5.6 The discharge of radioactive materials in concentrations or combinations which would be harmful... | |
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The coliform median MPN of the water does not exceed 70 per 100 ml., and not more than 10 percent of the samples ordinarily exceed an MPN of 230 per 100 ml. for a 5-tube decimal dilution test (or 330 per 100 ml., where the 3-tube decimal dilution test... 
