THURSDAY, JULY 4, 1991
27
A
LARGE VERY
BODY
OF
STATISTICAL
THE ESTIMATE IS BASED ON INFORMATION GATHERED IN HONG KONG IN RECENT BATHING SEASONS.
THE SUMMER. THIS THE GRADING OF SOME BEACHES MAY VARY DURING
THE BACTERIOLOGICAL QUALITY OF REPRESENTS A NATURAL FLUCTUATION IN
BRING MORE OR LESS BATHING WATERS IN MOST CASES, AS RAIN AND TIDES POLLUTION TO THE BEACHES.
OF THE WATER BEST
HOWEVER, THE GRADES GIVE A GOOD GENERAL PICTURE QUALITY AT BATHING BEACHES AT THE TIME OF REPORTING AND FORM THE AVAILABLE FORECAST FOR THE IMMEDIATE FUTURE.
AN EPD SPOKESMAN SAID BEACHES WITH HIGHLY DEVELOPED HINTERLANDS
THE GRADES SUGGEST DURING ARE LIKELY TO BE MORE POLLUTED THAN AFTER HEAVY RAIN.
AND
AFTER
BATHERS SHOULD AVOID SUCH BEACHES FOR TWO OR THREE DAYS
IF THERE IS A STORM, LONGER IF THE WEATHER REMAINS OVERCAST OR LESS STRONG SUNSHINE.
THE SYSTEM FOR GRADING BEACH WATER QUALITY IS AS FOLLOWS: GRADE "1" INDICATES THAT THE WATER QUALITY IS GOOD. THE E. COLI COUNT IS NO MORE THAN 24 PER 100 MILLILITRES AT EACH BEACH SO SWIMMERS İs GRADED, AND THE EXPECTED RISK OF MINOR ILLNESS TO UNDETECTABLE.
GRADE "2" INDICATES THAT THE WATER QUALITY IS FAIR. THE E. colt 90 COUNT IS NO MORE THAN 180 PER 100 MILLILITRES AT EACH BEACH GRADED, AND THE EXPECTED HEALTH RISK IS NO MORE THAN OF MINOR ILLNESS PER 1,000 SWIMMERS.
10 CASES
GRADE "3" INDICATES THAT THE WATER QUALITY IS
ACCEPTABLE.
E. COLI COUNT IS NO MORE THAN 610 PER 100 MILLILITRES BEACH SO GRADED, AND THE EXPECTED HEALTH RISK IS NO 15 CASES OF MINOR ILLNESS PER 1,000 SWIMMERS.
AT
THE BACH
MORE
THAN
GRADE "4" INDICATES THAT THE WATER QUALITY IS POOR. THE E. COLI AT EACH BEACH SO COUNT IS MORE THAN 610 PER 100 MILLILITRES GRADED, AND THE EXPECTED HEALTH RISK IS MORE THAN 15 MINOR ELLNESS PER 1,000 SWIMMERS.
CASES OF
BEACH TO SWIMMERS THE DECISION WHETHER OR NOT TO CLOSE A BASED ON A JUDGEMENT OF WHAT DEGREE OF POLLUTION IS ACCEPTABLE.
IS
NORMALLY, THE CLOSURE OF A BEACH WOULD ONLY THE URBAN OR REGIONAL COUNCIL IF A "4" GRADE OCCURRED THAT THE AVERAGE HEALTH RISK CASES PER 1,000 SWIMMERS.
OVER
THE
BE CONSIDERED
REPEATEDLY, SO EXCEEDED 15 BATHING SEASON
BY
CLOSED BEACH
ONLY
BE
A OF
WOULD SIMILARLY, THE REOPENING CONSIDERED (F A "3" GRADE OR BETTER WERE CONSISTENTLY OBTAINED.
CASTLE PEAK AND OLD BASED CAFETERIA, HAVE BEEN DECLARED UNSUITABLE FOR SWIMMING PURPOSES,
ARE POLLUTED BY THE HONG KONG
AT PRESENT, TWO BATHING BEACHES, NAMELY
ON THE WATER
DURING ΤΟ
FAECAL WASTES STANDARDS.
QUALITY AND
FAIL
PAST ACHIEVE
SEASONS. THEY
CONSISTENTLY
/THE PUBLIC