CY 2010 Air Quality Status Report

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CY 2010 Air Quality Status Report ENVIRONMENTAL MANAGEMENT CY 2010 AIR QUALITY STATUS BUREAU REPORT REGION IVB | DENR-EMB-Region IVB CY 2010 Air Quality Status Report I. Introduction Consistent with the provisions of Section 9 of Republic Act 8749 otherwise known as the Philippine Clean Air Act (PCAA) of 1999 and Section 1, Rule XV of its Implementing Rules and Regulations (IRR), the Secretary of the Department of Environment and Natural Resources (DENR), upon recommendation of the Environmental Management Bureau (EMB) divided certain geo-political regions in the country into airsheds. As of date, eighteen (18) airsheds had been officially designated by DENR, five (5) of which are geothermal airsheds. Formulation and implementation of policies and programs in the management of the air quality in each of these airsheds are carried out by a multi-sectoral body called as the airshed Governing Board. On 16 January 2006, the Baco - Calapan City - Naujan (BCN) Airshed and its Governing Board was established under DENR Administrative Order (DAO) No. 02 Series of 2006. Located in Oriental Mindoro, it is the first airshed established within the administrative jurisdiction of Region IVB or MIMAROPA (Occidental Mindoro, Oriental Mindoro, Marinduque, Romblon and Palawan) Region. II. Description of Airshed Area The City of Calapan and Municipalities of Baco and Naujan are located at the northern part of Oriental Mindoro. Calapan City, the capital of the whole province, adjoins the Municipality of Baco on its western area and bounded by the Municipality of Naujan on the south - southwestern section. Baco- Calapan City – Naujan lies at the foot of Mount Halcon on the west fertile valleys that extends towards the eastern coast and irregular coastline has similar climate, weather, meteorology and topology, which affects the interchange and diffusion of pollutants in the atmosphere. For that reason, Figure 1. Topographic map delineating the BCN airshed these three (3) are chosen to be designated as boundaries. an airshed area with respect to the gathered baseline data. The BCN airshed is bounded on the north by the Verde Island Passage, on the east by Tablas Strait, on the west by the Municipality of San Teodoro, on the southwest by the Province of Occidental Mindoro and on the southeast by the Municipality of Victoria. The Halcon mountain range is also located at the southwestern part of the airshed area which also serves as the natural boundary of Oriental Mindoro with Occidental Mindoro. 2 III. Description of Ambient Air Monitoring Stations Two (2) primary stations were established and maintained for the ambient air quality monitoring of the Baco – Calapan City-Naujan airshed in Oriental Mindoro during CY 2010. Samples collected were then delivered to the EMB Central Laboratory to be analyzed for their respective parameters. The description of the monitoring stations are listed hereunder: Table 1. Monitoring Stations Established at Baco-Calapan City-Naujan Airshed STA STATION LOCATION OF PARAMETER(S) GPS Coordinates NUM ID STATION MEASURED Latitude Longitude PGENRO, Capitol Total Suspended 1 Capitol Site Site, Calapan City, 13024’20.6” 121010’38.3” Particulates (TSP) Oriental Mindoro Municipal Hall, Particulate Matter Municipal 2 Baco, Oriental less than 10 13021’33.4” 121005’48.0” Hall Mindoro microns (PM10) With the formal establishment of the Baco-Calapan City-Naujan airshed area and its governing board under DENR Administrative Order No. 02 Series of 2006 dated 16 January 2006, the primary aim of EMB Region IVB is to maintain the sampling station and assess the air quality of the area based on the results of the laboratory analysis on the samples collected. Station 1 (Capitol Site) was established and maintained since CY 2007 at the PGENRO Office located at the Provincial Capitol, Capitol Site, Calapan City, Oriental Mindoro for monitoring Total Suspended Particulates (TSP) in the ambient air. Station 2 (Municipal Hall) was established at the Municipality of Baco, Oriental Mindoro on February 2008 after the acquisition of a new monitoring equipment capable of measuring the parameter Particulate Matter less than ten (10) microns in diameter (PM10). The results of laboratory analysis were then evaluated and compared with the standards set forth Figure 2. Google Earth plot of the ambient air quality monitoring in Republic Act 8749 otherwise stations of the BCN airshed. known as the Philippine Clean Air Act, particularly in the National Ambient Air Quality Guideline Values (Table 1, Section 1, Rule VII). Likewise, the results from the TSP monitoring station were also determined for the reduction of TSP level by at least 15% from the CY 2003 baseline. 3 Figure 3. Location of the Capitol Site Station. Figure 4. Location of the Municipal Hall Station. IV. Meteorological Data Meteorological data were gathered necessary in the calculations and interpretation of the ambient air quality in the airshed area, namely: (1) ambient temperature, (2) atmospheric pressure, and (3) rainfall. The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) undertake activities relative to observation, collection, assessment and processing of atmospheric and allied data. Tabulated hereunder are the monthly weather conditions from January to November of CY 2010 measured by the PAGASA weather station at Calapan City, Oriental Mindoro. Parameter Month Mean Temperature Atmospheric Pressure Rainfall (0C) (mbar) (mm) January 25.2 1009.6 1.8 February 26.7 1009.2 0.0 March 27.3 1008.7 2.7 April 28.3 1007.4 2.5 May 28.9 1004.4 2.5 June 28.8 1009.3 7.0 July 27.4 1009.3 14.2 August 27.4 1008.5 14.2 September 27.3 1009.7 12.3 October 26.9 1008.4 18.7 November 26.7 1009.8 17.6 Average 27.4 1008.6 8.5 Data from the weather bureau showed a mean temperature of 27.40C from January to November 2010, with the highest average recorded during the month of May (28.90C) and the lowest during the month of January (25.20C). The period can be categorized as a moderately rainy season with an average rainfall 0f 8.5 mm. February was the driest month as the daily data showed twenty five (25) days with no rainfall during the said month. October had the highest average rainfall (18.7 mm). 4 V. Ambient Air Quality Sampling Test Results Samples for CY 2010 were gathered using the one (1) Leir Seigler Australasia 24- hour low volume (manual) air sampling equipment for monitoring Total Suspended Particulates (TSP) at Station 1 (Capitol Site) and one (1) R & P Partisol low volume (manual) air sampling equipment for monitoring Particulate Matter Less Than 10 Microns in Diameter (PM10) at Station 2 (Municipal Hall). Sampling activities were performed by personnel of the local government units concerned trained in the conduct thereon. During CY 2010, a total of fifty three (53) samples were gathered at Station 1 (Capitol Site) while only thirteen (13) valid samples were collected at Station 2 (Municipal Hall). The samples gathered were then taken to the EMB Central Laboratory for analysis of their respective parameters. Table 2. Laboratory Results of CY 2010 Ambient TSP Monitoring at Station 1 (Capitol Site) Location of Sampling Station: PGENRO, Capitol Site, Calapan City, Oriental Mindoro Time of Concentration Guideline Value Date of Sampling Remarks Sampling (µg/Ncm) (μg/Ncm) 19-20 January 2010 0900H – 0900H 233 230 Failed 25-26 January 2010 0900H – 0900H 243 230 Failed 28-29 January 2010 0900H – 0900H 166 230 Passed 08-09 February 2010 0900H – 0900H 268 230 Failed 10-11 February 2010 0900H – 0900H 400 230 Failed 15-16 February 2010 0900H – 0900H 297 230 Failed 18-19 February 2010 0900H – 0900H 316 230 Failed 23-24 February 2010 0900H – 0900H 395 230 Failed 01-02 March 2010 0900H – 0900H 272 230 Failed 08-09 March 2010 0900H – 0900H 309 230 Failed 11-12 March 2010 0900H – 0900H 110 230 Passed 15-16 March 2010 0900H – 0900H 182 230 Passed 18-19 March 2010 0900H – 0900H 136 230 Passed 23-24 March 2010 0900H – 0900H 141 230 Passed 12-13 April 2010 0900H – 0900H 151 230 Passed 19-20 April 2010 0900H – 0900H 24 230 Passed 26-27 April 2010 0900H – 0900H 145 230 Passed 29-30 April 2010 0900H – 0900H 227 230 Passed 12-13 May 2010 0900H – 0900H 184 230 Passed 18-19 May 2010 0900H – 0900H 224 230 Passed 24-25 May 2010 0900H – 0900H 214 230 Passed 26-27 May 2010 0900H – 0900H 256 230 Failed 31 May - 01 Jun 2010 0900H – 0900H 279 230 Failed 03-04 June 2010 0900H – 0900H 55 230 Passed 21-22 June 2010 0900H – 0900H 200 230 Passed 06-07 July 2010 0800H – 0800H 221 230 Passed 12-13 July 2010 0900H – 0900H 192 230 Passed 19-20 July 2010 0800H – 0800H 183 230 Passed 22-23 July 2010 0800H – 0800H 310 230 Failed 5 26-27 July 2010 0800H – 0800H 300 230 Failed 05-06 August 2010 0800H – 0800H 238 230 Failed 13-14 September 2010 0810H – 0810H 248 230 Failed 20-21 September 2010 0800H – 0800H 313 230 Failed 27-28 September 2010 0800H – 0800H 93 230 Passed 04-05 October 2010 0900H - 0900H 126 230 Passed 12-13 October 2010 0900H - 0900H 182 230 Passed 21-22 October 2010 0800H - 0800H 246 230 Failed 26-27 October 2010 0800H - 0800H 184 230 Passed 02-03 November 2010 0900H - 0900H 119 230 Passed 17-18 November 2010 0900H - 0900H 77 230 Passed 22-23 November 2010 0900H - 0900H 92 230 Passed 23-24 November 2010 0900H - 0900H 150 230 Passed 24-25 November 2010 0900H - 0900H 143 230 Passed 25-26 November 2010 0900H - 0900H 197 230 Passed 30 Nov - 01 Dec 2010 0900H - 0900H 290 230 Failed 01-02 December 2010 0900H - 0900H 95 230 Passed 06-07 December 2010 0900H - 0900H 310 230 Failed 07-08 December 2010 0900H - 0900H 303 230 Failed 09-10 December 2010 0900H - 0900H 599 230 Failed 13-14 December 2010 0900H - 0900H 309 230 Failed 14-15 December 2010 0900H - 0900H 429 230 Failed 16-17 December 2010 0900H - 0900H 396 230 Failed 20-21 December 2010 0900H - 0900H 16 230 Passed Table 3.
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