XN000022-1991-04-11 — Page 14

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THURSDAY, APRIL 11, 1991

GRADE

1' INDICATES THAT THE WATER QUALITY IS GOOD. THE E. COLI COUNT IS NO MORE THAN 24 PER 100 MILLILITRES AT EACH BRACH 90 GRADED, AND THE EXPECTED RISK OF MINOR ILLNESS TO SWIMMER9 19 UNDETECTABLE,

GRADE "2" INDICATES THAT THE WATER QUALITY IS FAIR. THE E. COLI COUNT IS NO MORE THAN 180 PER 100 MILLILITRES AT EACH BEACH 90 GRADED, AND THE EXPECTED HEALTH RISK IS NO MORE THAN 10 CASES OF MINOR ILLNESS PER 1,000 SWIMMERS.

THE

GRADE "3" INDICATES THAT THE WATER QUALITY IS ACCEPTABLE. E. COLI COUNT IS NO MORE THAN 610 PER 100 MILLILITRES AT BACH BEACH SO GRADED, AND THE EXPECTED HEALTH RISK IS NO MORE THAN 15 CASES OF MINOR ILLNESS PER 1,000 SWIMMERS.

GRADE "4" INDICATES THAT THE WATER QUALITY IS POOR. THE R. COLI COUNT IS MORE THAN 610 PER 100 MILLILITRES AT EACH BEACH 30 GRADED, AND THE EXPECTED HEALTH RISK IS MORE THAN 15 CASES MINOR ILLNESS PER 1,000 SWIMMERS.

THE DECISION WHETHER OR NOT TO CLOSE A BEACH ΤΟ SWIMMERS BASED ON A JUDGEMENT OF WHAT DEGREE OF POLLUTION IS ACCEPTABLE.

THE

"

OF

IS

NORMALLY, THE CLOSURE OF A BEACH WOULD ONLY BE CONSIDERED BY URBAN COUNCIL OR REGIONAL COUNCIL IF A 4 GRADE OCCURRED REPEATEDLY, SO THAT THE AVERAGE HEALTH RISK OVER THE BATHING SEASON EXCEEDED 15 CASES PER 1,000 SWIMMERS.

SIMILARLY, THE REOPENING OF A CLOSED BEACH WOULD ONLY BE CONSIDERED IF A "3" GRADE OR BETTER WERE CONSISTENTLY OBTAINED.

AT PRESENT, TWO BATHING BEACHES, NAMELY CASTLE PEAK AND OLD CAFETERIA, HAVE BEEN DECLARED UNSUITABLE FOR SWIMMING PURPOSES, BASED ON THE WATER QUALITY DURING PAST SEASONS.

THEY ARE POLLUTED BY FAECAL WASTES AND FAIL TO CONSISTENTLY THE HONG KONG STANDARDS. THE PUBLIC ARE ADVISED SWIM IN THE WATER AT THESE TWO BEACHES.

ACHIEVE NOT TO

IDENTIFIED BY

IN ADDITION, ROCKY BAY BEACH HAS BEEN CLOSED FOR SWIMMING PURPOSES BY THE URBAN COUNCIL. THESE THREE BEACHES ARE AN "X" IN THE FOLLOWING LIST.

THE GRADES ON THE

BACTERIOLOGICAL WATER QUALITY OF VARIOUS

BEACHES IN HONG KONG AS AT TODAY ARE LISTED BELOW:

/BEACH