National Environmental Management: Air Quality Act (39/2004): National Ambient Air Quality Standards (No. 1210 of 2009)

6 NO.32816 No. 1210 GOVERNMENT GAZETTE, 24 DECEMBER 2009 GOVERNMENT NOTICES DEPARTMENT OF ENVIRONMENTAL AFFAIRS 24 December 2009 NATIONAL ENVIRONMENTAL MANAGEMENT: AIR QUALITY ACT, 2004 (ACT NO. 39 OF 2004) NATIONAL AMBIENT AIR QUALITY STANDARDS I, Suyelwa Patience Sonjica, Minister of Water and Environmental Affairs, in terms of section 9(1) of the Act, hereby establishes the national ambient air quality standards as set out in the Schedule to this notice. / /~/ UY~AS6£CA INISTER OF WATER AND ENVIRONMENTAL AFFAIRS STAATSKOERANT, 24 DESEMBER 2009 SCHEDULE 1. DEFINITIONS "averaging period" means aperiod over which an average value is determined. rlcompllance date" means the date in which compliance with the standard is required. No.32816 7 "frequency of exceedence" means a frequency (number/time) related to a limit value representing the tolerated exceedence of that limit value at a specific monitoring location, Le. if exceedences of limit value are within the tolerances, then there is still compliance with the standard. This exceedence is applicable to a calendar year. "limit value" means a level fixed on the basis of scientific knowledge, with the aim of reducing harmful effects o'n human health (or the environment (or both)), to be attained within a given compliance period and not to be exceeded once attained. 2. GENERAL 2.1 Reference conditions , Concentrations shall be expressed at a standardised temperature of 25°C and a pressure of 101,3 kPa. 2.2 Reference methods Where test methods are specified. any other method which can be demonstrated to give equivalent results may be used. Documentary proof of equivalence in the form of test results from a SANAS accred~ed laboratory or a peer-reviewed report shall be provided. The obligation to provide sufficient proof shall lie with the proponent. 2.3 Ambient air quality measurement requirements Assessment of all ambient pollutant concentrations shall be conducted in terms of section 5.2.1.3 of the National Framework for Air Quality Management in the RepUblic of South Africa. 8 NO.32816 GOVERNMENT GAZETTE, 24 DECEMBER 2009 3. NATIONAL AMBIENT AIR QUALITY STANDARDS 3.1 National Ambient Air Quality Standards for SUlphur Dioxide (502) 10 minutes 1 hour 24 hours 1 3.2 National Ambient Air Quality Standards for Nitrogen Dioxide (N02) 3.3 National Ambient Air Quality Standards for Particulate Matter (PM,0) Immediate - 31 December 2014 1Janua 2015 Immediate - 31 December 2014 1 ear 401m3 0 1 Janua 2015 The reference method for the determination of the particulate matter fraction of suspended articulate matter shall be EN 12341 3.4 National Ambient Air Quality Standards for Ozone (03) 1m3 61 p b 11 Immediate The reference method for the analysis of ozone shall be UV photometric method as described in SANS 13964 3.5 National Ambient Air Quality Standards for Benzene (C6H6) Immediate - 31 December 2014 1 ear 51m3 1.6 b 0 1 Janua 2015 The reference methods for the sampling and analysis of benzene shall either be EPA compendium . method TO-14 Aor method TO-17 STAATSKOERANT, 24 DESEMBER 2009 3.6 National Ambient Air Quality Standards for Lead (Pb) NO.32816 9 0.5 1J~3 O! Immediate The reference method for the analysis of lead shall be ISO 9855 ==1 3.7 National Ambient Air Quality Standards for Carbon Monoxide (CO) 1 hour 8 hour (calculated on 1 hourly averages} '--- T...;.h..;;;..e..;..re;;..:.fe;;.;.r...::.:.en.:.;:.c..::-e.:..;.m...;.e.=.,.th..;..od:....f:...:,.o:......;ra...;.n:.:::al,L.ys:....is...;o...;.f..;;;..C;;;;..ar.:;:.bo;;..:.n...;.M,;.:..o,;.:..n..;;;..ox..;;;..id:.....;:e...;.s.:..;.ha.:..:.lI...;.be..;;;....:..IS...;O:....4...:.2;.;.;.24~ ...J