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The Air District is issuing an air quality advisory due to smoke from the Crystal Fire in Napa County for today, Wednesday, June 5. Localized smoke impacts are possible near Angwin and may impact the Napa Valley from St. Helena to Calistoga. We will be closely monitoring air quality for smoke impacts from this incident.

The Air District will host its first career fair on Tuesday, October 6, from 10am to 2pm at Saint Mary's Cathedral in the St. Francis Hall. The career fair will provide information about job opportunities at the Air District, and will give attendees an opportunity to speak to current employees about their areas of expertise.

四月 19, 2012 ... Written Submitted Comments: From Dave Armstrong, LLNL: (submitted February 28, 2012) As follow-up to the Workshop on February 22, 2012, the following are comments on the draft changes to Regs 2-1 ...

Sep 20, 2016 ... September 19, 2016 City of Santa Clara Planning Division John Davidson, Principal Planner BAY AREA 1500 Warburton Avenue Santa Clara, CA 95050 AIR O1!AlITY RE: Draft EIR for the Lawrence ...

十月 1, 1996 ... Source Test Procedure ST-31 PERCHLOROETHYLENE REF: Regulation 8-27-302 1. APPLICABILITY 1.1 This procedure is used to quantify emissions of perchloroethylene. It is applicable to the determination ...

十月 1, 1996 ... Source Test Procedure ST-23 WATER VAPOR (Adopted January 20, 1982) 1. APPLICABILITY 1.1 This method is used to quantify the water vapor content of stack gases. It is applicable in all cases in which ...

九月 27, 1996 ... Source Test Procedure ST-18 STACK TRAVERSE POINT DETERMINATION (Adopted January 20, 1982) 1. APPLICABILITY 1.1 This procedure is used to determine the number and location of traverse points required ...

九月 27, 1996 ... Source Test Procedure ST-10 MERCURY Adopted (January 20, 1982) REF: Regulation 11-5-301 1. APPLICABILITY 1.1 This method is used to quantify emissions of gaseous and particulate mercury. It ...

九月 26, 1996 ... Source Test Procedure ST-2 BERYLLIUM (Adopted January 20, 1982) REF: Regulation 11-3-301 1. APPLICABILITY 1.1 This procedure is used to quantify emissions of Beryllium. It determines compliance with ...

Oct 1, 1996 ... Source Test Method ST-29 VINYL CHLORIDE Adopted April 21, 1982 REF: Regulation 11-6 1. APPLICABILITY 1.1 This method is used to determine emissions of vinyl chloride. It is applicable to the ...

九月 27, 1996 ... Source Test Method ST-11 MERCAPTANS Adopted (January 20, 1982) REF: Regulation 7-303 1. APPLICABILITY 1.1 This method is used to determine emissions of mercaptans. It is applicable to the ...

十月 1, 1996 ... Source Test Procedure ST-33 GASOLINE CARGO TANKS (Adopted October 7, 1987) REF: Regulation 8, Rules 33 & 39; CH&SC, Section 41962 1. APPLICABILITY 1.1 This test procedure is used to quantify the leak ...

九月 27, 1996 ... Source Test Method ST-15 PARTICULATE (Adopted January 20, 1982) REF: Regulations 6-310, 6-311, 10-1-301 1. APPLICABILITY 1.1 This method is used to quantify particulate emissions. It ...

九月 27, 1996 ... Source Test Procedure ST-9 LEAD Adopted (January 20, 1982) REF: Regulation, 11-1-301 1. APPLICABILITY 1.1 This procedure is used to quantify emissions of Lead. It determines compliance with ...

九月 26, 1996 ... Source Test Procedure ST-1B AMMONIA INTEGRATED SAMPLING (Adopted January 20, 1982) REF: Regulation 7-303 1. APPLICABILITY 1.1 This method is used to quantify emissions of ammonia. It ...

十月 7, 1996 ... Source Test Method ST-16 PHENOLIC COMPOUNDS (Adopted January 20, 1982) REF: Regulation 7-303 1. APPLICABILITY 1.1 This method is used to quantify emissions of phenolic compounds as phenol. It is ...

十月 7, 1996 ... Source Test Method ST-12 COLLECTION OF ODOROUS SAMPLES (Adopted January 20, 1982) REF: Regulation 7-401 1. APPLICABILITY 1.1 This method is used for the collection of odorous samples to be ...

十月 1, 1996 ... Source Test Procedure ST-28 HYDROGEN SULFIDE, INTEGRATED SAMPLING (Adopted January 20, 1982) REF. Regulation 10-8-303 1. APPLICABILITY 1.1 This method is applicable for the determination of hydrogen ...

Sep 27, 1996 ... Source Test Procedure ST-17 STACK GAS VELOCITY AND VOLUMETRIC FLOW RATE (Adopted January 20, 1982) 1. APPLICABILITY 1.1 This procedure is used to determine stack gas velocity and to ...

十月 1, 1996 ... Source Test Procedure ST-26 COKE BURN-OFF RATE REF: Regulation 10-8-301 1. APPLICABLITY 1.1 In order to determine compliance with Regulation 10-8-301 for particulate emissions from Fluid Catalytic ...