Regulations under Section 32 of the National Environmental Act, No. 47 of 1980

I fldgi ( ^I& fPoh - YS% ,xld m%cd;dka;s%l iudcjd§ ckrcfha w;s úfYI .eiÜ m;%h - 2008'08'15 PART I : SEC. (I) - GAZETTE EXTRAORDINARY OF THE DEMOCRATIC SOCIALIST REPUBLIC OF SRI LANKA - 15.08.2008 1A w;s úfYI wxl 1562$22 - 2008 wf.daia;= 15 jeks isl=rdod - 2008'08'15 No. 1562/22 - FRIDAY, AUGUST 15, 2008 EXTRAORDINARY Y%S ,xld m%cd;dka;%sl iudcjd§ ckrcfha .eiÜ m;%h The Gazette of the Democratic Socialist Republic of Sri Lanka (Published by Authority) PART I : SECTION (I) — GENERAL Government Notifications 1A L.D.B. 4/81. THE NATIONAL ENVIRONMENTAL ACT, No. 47 OF 1980 REGULATIONS made by Minister of Environment and Natural Resources under Section 32 of the National Environmental Act, No. 47 of 1980. PATALI CHAMPIKA RANAWAKA, Minister of Environment and Natural Resources. Colombo, 13th August, 2008. Regulations The National Environmental (Ambient Air Quality) Regulations, 1994, published in Gazette Extraordinary, No. 850/4 of December, 1994 are hereby amended by the subsitution for the Schedule to that regulation of the following : “ SCHEDULE Maximum Permissible Pollutant Averaging Level + Method of measurement Time* µgm-3 ppm 1. Particulate Matter - Annual 50 — Hi-volume sampling and Aerodynamic diameter Gravimtric or Beta is less than 10 µm in size (PM 10 ) 24 hrs. 100 — Attenuation 2. Particulate Matter - Annual 25 — Hi-volume sampling and Aerodynamic diameter is less Gravimtric or Beta than 2.5 µm in size (PM 2.5 ) 24 hrs. 50 — Attenuation I fldgi ( ^I& fPoh - YS% ,xld m%cd;dka;s%l iudcjd§ ckrcfha w;s úfYI .eiÜ m;%h - 2008'08'15 PART I : SEC. (I) - GAZETTE EXTRAORDINARY OF THE DEMOCRATIC SOCIALIST REPUBLIC OF SRI LANKA - 15.08.2008 2A PRINTED AT THE DEPARTMENT OF GOVERNMENT PRINTING, SRI LANKA. SCHEDULE (Contd.,) Maximum Permissible Pollutant Averaging Level + Method of measurement Time* µgm-3 ppm 24 hrs. 100 0.05 Colorimetric using 3. Nitrogen Dioxide (NO2) saltzman Method or 8 hrs. 150 0.08 equivalent Gas phase chemiluminescence 1hr. 250 0.13 24 hrs. 80 0.03 Pararosaniliene Method or 4. Sulphur Dixoxide (SO2) equivalent Pulse 8 hrs. 120 0.05 Flourescent 1hrs. 200 0.08 Chemiluminescence 5. Ozone (O3 ) 1 hr. 200 0.10 Method or equivalent Ultraviolet photometric 8 hrs. 10,000 9.00 6. Carbon Monoxide (CO ) Non-Dispersive Infrared 1 hr. 30,000 26.00 Spectroscopy” Any time 58,000 50.00 * Minimum number of observatons required to determine the average over the specified period — 03 hour average - 03 consecutive hourly average 08 hour average - 08 hourly average 24 hour average - 18 hourly average Yearly average - 09 monthly average with at least 02 monthly average each quarter. + By using Chemicals or Automatic Analysers. 08 -1106