XN000022-1993-04-22 — Page 21

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THURSDAY, APRIL 22, 1993

THE SYSTEM FOR GRADING BEACH WATER QUALITY IS AS FOLLOWS:

*

E.

AT EACH TO

THE GRADE "1" INDICATES THAT THE WATER QUALITY IS GOOD. COLI COUNT IS NO MORE THAN 24 PER 100 MILLILITERS BEACH SO GRADED, AND THE EXPECTED RISK OF MINOR ILLNESS SWIMMERS IS UNDETECTABLE.

GRADE "2" INDICATES THAT THE WATER QUALITY IS FAIR. COLI

THE

E.

COUNT IS NO MORE THAN 180 PER 100 MILLILITERS AT BACH BEACH SO GRADED, AND THE EXPECTED HEALTH RISK IS NO MORE THAN 10 CASES OF MINOR ILLNESS PER 1,000 SWIMMERS.

THE

B.

EACH

GRADE "3" INDICATES THAT THE WATER QUALITY IS POOR. COLI COUNT IS NO MORE THAN 610 PER 100 MILLILITERS AT BEACH

NO MORE SO GRADED, AND THE EXPECTED HEALTH RISK IS THAN 15 CASES OF MINOR ILLNESS PER 1,000 SWIMMERS.

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

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

THE

IS

BY

OCCURRED SEASON

NORMALLY, THE CLOSURE OF A BEACH WOULD ONLY BE CONSIDERED URBAN COUNCIL OR REGIONAL COUNCIL IF A GRADE *4**

BATHING AVERAGE HEALTH RISK OVER THE REPEATEDLY, SO THAT THE EXCEEDED 15 CASES PER 1,000 SWIMMERS.

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

AT

ONLY

BE

OLD

PRESENT,

AND TWO BATHING BEACHES, NAMELY CASTLE PEAK

BASED ON THE CAFETERIA, HAVE BEEN DECLARED UNSUITABLE FOR SWIMMING, WATER QUALITY DURING PAST SEASONS.

THEY ARE POLLUTED BY FAECAL WASTE. THE PUBLIC ARE ADVISED TO SWIM THERE.

NOT

IN ADDITION,

WATER AT ROCKY BAY BEACH HAS

CONSISTENTLY

POOR OR VERY POOR IN QUALITY. IT IS ALSO CLOSED FOR SWIMMING. THESE THREE BEACHES ARE IDENTIFIED BY AN "X" IN THE FOLLOWING LIST.

GRADES THE

ON THE BACTERIOLOGICAL WATER BEACHES IN HONG KONG TODAY ARE:

OF QUALITY

VARIOUS

/BEACH