9
THURSDAY, SEPTEMBER 14, 1989
LARGE
BODY OF
STATISTICAL
A THE ESTIMATE IS BASED ON
VERY INFORMATION GATHERED IN HONG KONG DURING RECENT BATHING SEASONS.
THE SUMMER. THIS OF BATHING LESS POLLUTION
THE GRADING OF SOME BEACHES MAY VARY DURING REPRESENTS A NATURAL FLUCTUATION IN THE BACTERIAL QUALITY WATERS IN MOST CASES, AS RAIN AND TIDES BRING MORE OR TO THE BEACHES.
DURING BATHING WATERS COMMONLY BECOME WORSE DUE TO HEAVY USAGE
PICTURE OF THE THE SUMMER. HOWEVER, THE GRADES GIVE A GOOD GENERAL
OF REPORTING AND FORM WATER QUALITY AT BATHING BEACHES AT THE TIME THE BEST AVAILABLE FORECAST FOR THE IMMEDIATE FUTURE.
THE SYSTEM FOR GRADING BEACH WATER QUALITY IS AS FOLLOWS:
THE IS GOOD. "A" GRADE INDICATES THAT THE WATER QUALITY
100 MILLILITRES AT E. COLI COUNT IS LESS THAN 100 PER
HEALTH RISK IS LESS BEACH SO GRADED, AND THE EXPECTED SEVEN CASES OF MINOR ILLNESS PER 1,000 SWIMMERS.
MEAN
EACH
THAN
ACCEPTABLE. THE 100 MILLILITRES AT
"B" GRADE INDICATES THAT THE WATER QUALİTY IS MEAN E. COLT COUNT IS LESS THAN 1,000 PER EACH BEACH 80 GRADED, AND THE EXPECTED HEALTH RISK IS LESS THAN T8 CASES OF MINOR ILLNESS PER 1,000 NWIMMERS.
POOR. THE MEAN "C" GRADE INDICATES THAT THE WATER QUALITY IS
I'ER 100 MILLILITRES AT E. COLI COUNT IS 1,000 OR MORE
EACH IS 18 OR MORE BEACH SO GRADED, AND THE EXPECTED HEALTH RISK CASES OF MINOR ILLNESS PRR 1,000 SWIMMERS.
BEACH TO SWIMMERS IS THE DECISION WHETHER OR NOT TO CLOSE A BASED ON A JUDGEMENT OF WHAT DEGREE OF POLLUTION IS ACCEPTABLE.
CONSIDERED
NORMALLY, A RECOMMENDATION ON CLOSURE WOULD ONLY BE BY THE URBAN OR REGIONAL COUNCIL IF A "C" GRADING OCCURRED REPEATEDLY, SEASON EXCEEDED 15 SO THAT THE AVERAGE HEALTH RISK OVER THE BATHING
A
TO REOPEN RECOMMENDATION
A PER 1,000 SWIMMERS. SIMILARLY, CASES
OR BETTER WERE CLOSED BEACH WOULD ONLY BE CONSIDERED IF A "B" GRADE CONSISTENTLY OBTAINED.
DECLARED UNSUITABLE SEASONS.
OLD
BAY,
AT PRESENT, SIX BATHING BEACHES HAVE BEEN FOR SWIMMING PURPOSE, BASED ON THE WATER QUALITY DURING PAST THESE BEACHES ARE ANGLERS',
PEAK, CASTLE
CAFETERIA, ROCKY BAY AND TING KAU.
FAECAL
BY THEY ARE POLLUTED
ORGANISATION HEALTH CONSISTENTLY THE WORLD
PUBLIC ARE ADVISED NOT TO SWIM IN THESE IDENTIFIED BY AN "X" IN THE FOLLOWING TABLE.
THE
SILVERMINE
WASTES AND FAIL
ACHIEVE AND HONG KONG STANDARDS. SIX BEACHES. THEY ARE
TO
OF VARIOUS BEACHES
THE GRADES ON THE BACTERIAL WATER QUALITY IN HONG KONG AS AT TODAY AND TWO WEEKS AGO ARE LISTED BELOW:
/BEACH
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