Ambient Air quality Monitoring Guidlines. - Maharashtra Pollution ...

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The impulse frequency emitted is proportional to wind velocity. Just as was the case for the wind direction part, the output signal of the velocity sensor is electronically monitored to ensure that there is no malfunction of the scanner. (Installation of lightning rod No. 3100.99 is recommended in areas with frequent lightning activity). (v) Preparation for Use (a) Selecting the Site of Operation - In general, anemometers are designed to record wind conditions over a large area. In order to obtain comparable values for the determination of surface wind, measurements should be made at a height of 10 meters over open level terrain. Open level terrain is defined as an area where the distance between the anemometer and an obstruction amounts to at least 10 times the height of the obstruction. If, this condition cannot be met, then the anemometer should be set up at such a height where the measured values are, to the greatest extent possible, not influenced by local obstructions (approximately 6-10 meters above the obstruction). The anemometer should be installed in the middle of flat roofs - not at the edge - in order to avoid a possible bias to one direction or the other. (b) Installing the Cup Anemometer - Unscrew the cap nut and remove the deck plate from the velocity sensor case. Keep the rubber sealing ring in the protective cap. Install the cup anemometer in such a manner that the dowel pin (fitting pin) in the crossarms of the cup anemometer screws into the nut in the protective cap. Replace the deck plate and rescrew the cap nut. While doing this, hold the sensor by the protective cap not by the cup. 3.1.4 Wind Direction (i) Installing the Wind Vane - Install the wind vane in the same manner as the cup. There is no deck plate. (ii) Installing the Sensor - The sensor can be installed on a pipe of R 1 1/2" (48 mm) and 50 mm length. The internal diameter must amount to at least 36 mm since the sensor will be plugged into an electrical system at its base. Solder a flexible control line LiYCY with the required number of leads of 0.74 mm 2 onto the enclosed plug (see circuit diagram). The line resistance of the leads for the heater voltage of the sensor should not exceed 1 ohm - if necessary, connect several parallel leads. A line resistance up to approximately 10 ohm is admissible for the signal connections. Following electrical connection, set the sensor on the pipe and make sure that the case markings face true north. (The bar must also point to the north). Fasten the instrument by means of the two hexagon cap screws on the shaft. (The electrical connections for the indicators should be carried out according to the circuit diagrams). 62
(iii) Maintenance - If, properly installed, the instrument requires no maintenance. (Severe pollution can lead to blockage of the slots between the rotating and stable parts of the sensor). Thus, it is recommendable to clean off accumulated dirt periodically. Certain symptoms of wear and tear can appear on the generator bearings or on the ball bearings after years of use. One notices this because the starting torque is higher. If, such a defect occur, it is recommendable to return the instrument to the factory for repair. (iv) Accessories Available (a) Telescopic mast for installing the sensor Length Stress Length 4m 3-fold 1.5 m 6m 3 fold 1.5 m 10m 6 fold, 1.5 m Material : A1, sea waterproof Diameter of mast pin : 49 mm Max. Wind Stress : 60 m/s (b) Lightening rod to protect the sensor from destruction caused by lightening. The rod is placed below the sensor on the mast. Material : steel, hot dipped galvanized. (c) Grounding Set to ground the telescopic mast. Consists : Mast grounding clamp Cross grounder Cu-wire 5 mm, 1 m long (Other special connecting instruments available on inquiry). 4.0 REFERENCE 1. Thies CLIMA, Adolf Thies, GMBH + CO. KG, GOOTTINGEN 63
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1.0 INTRODUCTION Air pollutants are
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The Central Pollution Control Board
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S.No. Problem Area Type of Industry
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(viii) High population exodus to th
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a) Seasonal Variation in Carbon Mon
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Concentration (µg/m 3 ) 2.2.3 Long
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3.2 National Air Monitoring Program
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Number of Monitoring Stations 40 35
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4.0 GUIDELINES FOR MONITORING For s
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The variability of pollutant concen
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areas, traffic intersections etc. O
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Station Type Description Type C Res
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available then monitoring of specif
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manpower and needs to be calibrated
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averaging should be done and plotte
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necessary to readjust the position
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5.0 QUALITY ASSURANCE AND QUALITY C
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(a) Inter Laboratory Proficiency Te
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2. Infrastructure for conducting In
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ZERO GAS VALVE PRESSURE REGULATOR (
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is to assess its ability to perform
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The mixing ratio of O3 (ppb) must n
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(vi) Lack of Dedicated Manpower If
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Site staff must be trained so that
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NATIONAL AMBIENT AIR QUALITY MONITO
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Delhi - 110 032 e-mail : cpcb@alpha
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FOREWORD Under the Air (Prevention
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Table No. References 161 LIST OF TA
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3.0 INTRODUCTION Air pollutants are
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The Central Pollution Control Board
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S.No. Problem Area Type of Industry
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(viii) High population exodus to th
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Monthly average of CO measured at B
Page 68 and 69: Concentration (µg/m 3 ) 2.2.3 Long
Page 70 and 71: 3.2 National Air Monitoring Program
Page 72 and 73: Number of Monitoring Stations 40 35
Page 74 and 75: 4.0 GUIDELINES FOR MONITORING For s
Page 76 and 77: The data requirements, which are re
Page 78 and 79: their levels and determine trends.
Page 80 and 81: Station Type Description traffic vo
Page 82 and 83: Criteria for SO2 Measurements Sourc
Page 84 and 85: calibration parameters change. Meas
Page 86 and 87: The following must be followed for
Page 88 and 89: changed in inclement weather. Set t
Page 90 and 91: 5.0 QUALITY ASSURANCE AND QUALITY C
Page 92 and 93: (a) Inter Laboratory Proficiency Te
Page 94 and 95: The primary requirement for conduct
Page 96 and 97: ZERO GAS VALVE PRESSURE REGULATOR (
Page 98 and 99: is to assess its ability to perform
Page 100 and 101: The mixing ratio of O3 (ppb) must n
Page 102 and 103: (xiii) Lack of Dedicated Manpower I
Page 104 and 105: laboratory staff must be trained so
Page 106 and 107: 1. AIR SAMPLING - GASEOUS 1.0 TITLE
Page 108 and 109: 52 Fig. 1 Sampling Train
Page 110 and 111: 54 Fig. 4 Critical Orifice Device
Page 112 and 113: the pollutant and accordingly selec
Page 114 and 115: contracts with change in humidity.
Page 116 and 117: and temperature has been set down i
Page 120 and 121: CIRCUIT DIAGRAM - 1 64
Page 122 and 123: FIG. 1 (a) CIRCUIT DIAGRAM 66
Page 124 and 125: 3. DETERMINATION OF SUSPENDED PARTI
Page 126 and 127: measurement precision dominates at
Page 128 and 129: 6.4.4 Equilibration Rack - This rac
Page 130 and 131: Receive Filters, inspect (light tab
Page 132 and 133: of the face-plate. Look underneath
Page 134 and 135: Atmosphere". Federal Register, 52 F
Page 136 and 137: 5.0 INTERFERENCES 5.1 Passive Depos
Page 138 and 139: 6.4.4 Numbering Machine - Though fi
Page 140 and 141: chain-of-the custody log-book and o
Page 142 and 143: 5. DETERMINATION OF SULPHUR DIOXIDE
Page 144 and 145: 88 FIG. 1.0 SO2 SAMPLING TRAIN
Page 146 and 147: The wavelength calibration of the i
Page 148 and 149: (ii) The absorbance of the reagent
Page 150 and 151: pipe cleaner after use. If, the tem
Page 152 and 153: (A - Ao) (10 3 ) (B) C = ----------
Page 154 and 155: Then the air sample flows into a re
Page 156 and 157: integral part of the apparatus, or
Page 158 and 159: 6.4 Pressure Regulator The output s
Page 160 and 161: FIG. 2 SCHEMATIC DIAGRAM OF A CALIB
Page 162 and 163: 7. CONTINUOUS MEASUREMENT OF CARBON
Page 164 and 165: 6.0 APPARATUS 6.1 NDIR Analyser - f
Page 166 and 167: BLOWER SAMPLE INLET PORT FOUR WAY V
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Maintain the same sample cell flow
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14.0 CALIBRATION PROCEDURE 14.1 Ana
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connected to the output manifold, t
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FIG. 3 MULTIPLE CYLINDER CALIBRATIO
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(Nondispersive Infrared Spectrometr
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5.0 INTERFERENCES 5.1 Nitric oxide
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7.1.6 Air Pump - Capable of maintai
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9.1.3.2 Solution B - Pipet 25 ml of
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9.4.7 A randomly selected 5-10% of
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9. CONTINUOUS MEASUREMENT OF OXIDES
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8.0 APPARATUS 8.1 Chemiluminescene
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SAMPLE INLET PUMP AIR DRYER OZONE G
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FIG. 3 CALIBRATION SYSTEM COMPONENT
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10.3.1 Flow Conditions - Insure tha
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ates constant. For each calibration
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10. DETERMINATION OF OZONE IN THE A
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7.0 APPARATUS 7.1 Sampling Probe -
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9.4 Blank Correction - Measure the
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11. CONTINUOUS MEASUREMENT OF OZONE
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FIG. 1 SCHEMATIC DIAGRAM OF A TYPIC
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8.2 Air Inlet Filter - A Teflon fil
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9.0 REAGENTS 9.1 Purity - All reage
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Where : Ozone Conc.CTA = the ozone
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1. AIR SAMPLING - GASEOUS 1.0 TITLE
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55 Fig. 1 Sampling Train
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57 Fig. 4 Critical Orifice Device
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the pollutant and accordingly selec
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(iii) Technical Data Measuring rang
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3.1.3 Wind Speed Temperature measur
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(v) Preparation for Use (a) Selecti
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CIRCUIT DIAGRAM - 1 67
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FIG. 1 (a) CIRCUIT DIAGRAM 69
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3. DETERMINATION OF SUSPENDED PARTI
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measurement precision dominates at
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6.4.4 Equilibration Rack - This rac
Page 238 and 239:
Receive Filters, inspect (light tab
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of the face-plate. Look underneath
Page 242 and 243:
Atmosphere". Federal Register, 52 F
Page 244 and 245:
5.0 INTERFERENCES 5.1 Passive Depos
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6.4.4 Numbering Machine - Though fi
Page 248 and 249:
chain-of-the custody log-book and o
Page 250 and 251:
5. DETERMINATION OF SULPHUR DIOXIDE
Page 252 and 253:
91 FIG. 1.0 SO2 SAMPLING TRAIN
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The wavelength calibration of the i
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(ii) The absorbance of the reagent
Page 258 and 259:
pipe cleaner after use. If, the tem
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(A - Ao) (10 3 ) (B) C = ----------
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Then the air sample flows into a re
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integral part of the apparatus, or
Page 266 and 267:
6.4 Pressure Regulator The output s
Page 268 and 269:
FIG. 2 SCHEMATIC DIAGRAM OF A CALIB
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7. CONTINUOUS MEASUREMENT OF CARBON
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6.0 APPARATUS 6.2 NDIR Analyser - f
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BLOWER SAMPLE INLET PORT FOUR WAY V
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Maintain the same sample cell flow
Page 278 and 279:
14.0 CALIBRATION PROCEDURE 14.1 Ana
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connected to the output manifold, t
Page 282 and 283:
FIG. 3 MULTIPLE CYLINDER CALIBRATIO
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(Nondispersive Infrared Spectrometr
Page 286 and 287:
5.0 INTERFERENCES 5.1 Nitric oxide
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7.1.6 Air Pump - Capable of maintai
Page 290 and 291:
9.1.3.2 Solution B - Pipet 25 ml of
Page 292 and 293:
9.4.7 A randomly selected 5-10% of
Page 294 and 295:
9. CONTINUOUS MEASUREMENT OF OXIDES
Page 296 and 297:
9.0 APPARATUS 8.1 Chemiluminescene
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SAMPLE INLET PUMP AIR DRYER OZONE G
Page 300 and 301:
FIG. 3 CALIBRATION SYSTEM COMPONENT
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10.6.1 Flow Conditions - Insure tha
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ates constant. For each calibration
Page 306 and 307:
10. DETERMINATION OF OZONE IN THE A
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7.0 APPARATUS 7.1 Sampling Probe -
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9.4 Blank Correction - Measure the
Page 312 and 313:
11. CONTINUOUS MEASUREMENT OF OZONE
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FIG. 1 SCHEMATIC DIAGRAM OF A TYPIC
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8.2 Air Inlet Filter - A Teflon fil
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9.0 REAGENTS 9.3 Purity - All reage
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Where : Ozone Conc.CTA = the ozone
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Ambient Air quality Monitoring Guidlines. - Maharashtra Pollution ...

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