United States Environmental Protection Agency Region I New England Regional Laboratory Lexington, MA 02173 July 1982 Air 1981 Annual Report on Air Quality in New England ------- 1981 ANNUAL REPORT ON AIR QUALITY IN NEW ENGLAND July, 1982 Prepared by: Norman J. Beloin Cheryl M. Bennett U.S. Environmental Protection Agency, Region I Environmental Services Division Lexington, Massachusetts ------- TABLE OF CONTENTS Page INTRODUCTION I NATIONAL AIR QUALITY STANDARDS 3 ABBREVIATIONS AND SYMBOLS USED IN TABLE 3 6 1981 PRECISION AND ACCURACY DATA 50 REGION I 1981 AUDIT PROGRAM 53 AIR QUALITY TRENDS FOR MAIOR URBAN AREAS IN NEW ENGLAND 61 LIST OF TABLES Table Page 1 1981 SUMMARY OF NEW ENGLAND NAMS/SLAMS (Not Including Lead) 4 2 NUMBER OF STATIONS VIOLATING NATIONAL AIR QUALITY STANDARDS 5 3 AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS 8 4 NUMBER OF STATIONS VIOLATING AMBIENT AIR QUALITY STANDARDS BY AIR QUALITY CONTROL REGIONS 44 5 STATIONS WHERE READINGS EXCEED EPISODE LEVELS 47 6 1981 PRECISION DATA FOR NEW ENGLAND ANNUAL AVERAGE PROBABILITY LIMITS IN PERCENT 51 7 1981 ACCURACY DATA FOR NEW ENGLAND - ANNUAL AVERAGE - PROBABILITY LIMITS FOR THE LOWEST CONCENTRATION REPORTED IN PERCENT 52 8 REGION I PERFORMANCE AUDIT PROGRAM - 1981 54 9 REGION I NONATTAINMENT AREAS AS OF DECEMBER 23, 1980 55 10 REGION I ATTAINMENT AND UNCLASSIFIED AREAS AS OF DECEMBER 23, 1980, WITH 1981 VIOLATIONS 60 ------- LIST OF ILLUSTRATIONS Figure Page I Air Quality Control Regions 46 2 Trends in Air Quality - Total Suspended Particulates 64 3 Trends in Air Quality - Carbon Monoxide 65 4 Trends in Air Quality - Sulfur Dioxide 66 5 Trends in Air Quality - Ozone 67 ------- 1981 ANNUAL REPORT ON AIR QUALITY IN NEW ENGLAND This report represents 1981 annual air quality information for all states in New England. The majority of the data included in this report was submitted to EPA by the states from their ambient monitoring networks in accordance with 40 CFR 58. In addition, data from selected industrial monitors have been included. This report is intended to list potential nonattainment areas for planning purposes. The majority of data used has been evaluated and verified by EPA; however, for the areas listed as nonattainment, the data may require further evaluation by both EPA and the states. Table 1 is a summary of the status of the National Air Monitoring Sites (NAMS) and the State/Local Air Monitoring Sites (SLAMS) submitting data to Region I. This table lists the number of sites operating, the required number of sites, the number of sites reporting precision and accuracy data, and the number of sites not meeting EPA minimum data capture requirements. Table 2 shows the number of stations violating the National Ambient Air Quality Standards (NAAQS) and the total number of stations reporting data during 1981. There was one station in violation of the 24-hour primary SO 2 standard, and no stations were in violation of the annual primary SO 2 standard. For particulates, five stations were in violation of the 24-hour primary standard, and thirty-two stations were in violation of the 24-hour secondary standard. The annual primary standard was violated at one station. Four stations were in violation of the CO 8-hour primary standard, and no stations were in violation of the 1-hour primary standard. For ozone there were twenty-four stations in violation of the 1-hour primary standard. No stations violated the NO 2 annual standard. Although not reported in Table 2, no stations violated the lead quarterly standard. Table 3 lists every state site in New England. The information presented compares the measured values to each NAAQS. The information included is the number of exceedences, the maximum and second high values, and the annual means (geometric mean for TSP, arithmetic mean or average for SO 2 and NO 2 ). Those stations reporting a maximum above the standard, but a second high below the ------- standard are included in this table. For intermittent data, an annual mean is not valid unless there are four valid quarters. To be considered valid, a quarter must have at least five values; and if any one month is missing, each of the other two months must have two or more values. For continuous data, 75 percent of the year must be available to calculate a valid annual average. Table 4 shows the number of stations violating the NAAQS by Air Quality Control Region (AQCR), as well as the total number of monitors in each AQCR. A map delineating the AQCRs in Region I is included at the end of this table (Figure 1). Table 5 has been developed to point out areas where air quality levels have exceeded the emergency, warning, or alert episode levels. An air pollution alert (warning or emergency) will be called when specified pollutant concentrations are reached provided that meteorological conditions are such that these levels can be expected to persist for 12 hours or more. In the case of ozone, an alert (warning or emergency) will be called if the situation is likely to reoccur within the next 24 hours. Episode levels were reached or exceeded for particulates at six sites; for CO at two sites; and for ozone at seven sites. Tables 6 and 7 list the precision and accuracy data submitted by the six New England states. The 95% probability limits for five criteria pollutants are given as a network average for each state. Table 8 lists the results from the Region I audit program for TSP, SO 2 , CO, NO 2 , and 03. The results presented on a state-by-state basis give the number of satisfactory, marginal, and unsatisfactory audits; the average percent difference; and the standard deviation. Tables 9 and 10, respectively, list the nonattainment areas in New England with the last reported violation and the attainment and unclassified areas in which there were 1981 violations to NAAQS. Following Table 10 is a discussion of air quality trends in New England for the criteria pollutants. This discussion includes several charts of selected air quality monitoring sites which show a linear regression of the deseasonalized monthly means for TSP, SO 2 , and CO during the last five years. For ozone, a chart of the number of days exceeding the standard each year for the last five years is used. 2 ------- NATIONAL AIR QUALITY STANDARDSa Averaging Time Primary Standards SecondaryC Standards aNtional standards other than those based on annual arithmetic means are not to be exceeded more than once per year. means or annual geometric bNational Primary Standards: The levels of air quality necessary, with an adequate margin of safety, to protect the public health. cNational Secondary Standards: The levels of air quality necessary to protect the public welfare from any known or anticipated adverse effects of a pollutant. dReference method as described by the EPA. An “equivalent method” means any method of sampling and analysis which can be demonstrated to the EPA to have a “consistent relation- ship to the reference method.” eGuideline to be used assessing implementation plans. Pollutant Referenced Methods Sulfur Dioxide Annual Arithmetic Mean 24 hours 3 hours 80 ug/m 3 (0.03 ppm) 365 ug/m 3 (0.14 ppm) --- 1300 ug/m (0.5 ppm) Pararosaniline Method Pararosaniline Method Pararosaniline Method Particulate Matter Annual Geometric Mean 24 hours 3 75 ug/m 260 ug/m 3 3 e 60 ug/m 150 ug/m 3 High Volume Sampling Method High Volume Sampling Method Carbon Monoxide 8 hours 1 hour 10 mg/rn 3 (9 ppm) 40 mg/m 3 (35 ppm) Same as Primary Standard Same as Primary Standard Non-Dispersive Infrared Spectroscopy Non-Dispersive Infrared Spectroscopy Ozone 1 hour 0.120 ppm 3 (235 ug/m ) Same as Primary Standard Gas Phase Chemiluminescent Method Hydrocarbons (corrected for Methane) 3 hours 3 e 160 ug/m (0.24 ppm) Same as e Primary Standard Flame Ionization Detection Using Gas Chromatography Nitrogen Dioxide Annual Arithmetic Mean 100 ug/m 3 (0.05 ppm) Same as Primary Standard Gas Phase Chemiluminescence Lead Calendar Quarter Arithmetic mean 1.5 ug/m 3 Same as Primary Standard High Volume Sampling Method 3 ------- TABLE 1 1981 SUMMARY OF NEW ENGLAND NAMS/SLAMS (Not Including Lead) NAMS* SLAMS** Number with Number Not Meeting Number with Number Not Meeting Number Precision and EPA s Minimum Data Number Precision and EPA’s Minimum Data State Operating Accuracy Data Capture Requirements Operating Accuracy Data Capture Requirements CT 33/33 33/33 1/33 22/38 15/22 2/22 ME 3/3 3/3 1/3 11/12 7/11 1/11 MA 45/45 45/45 7/45 16/43 10/16 3/16 NH 3/3 3/3 0/3 23/24 20/23 4/23 RI 12/12 12/12 0/12 8/8 8/8 1/8 VT 2/2 2/2 1/2 10/10 10/10 0/10 Totals 98/98 98/98 10/98 90/135 70/90 11/90 *NAMS - National Air Monitoring Sites. **SLAMS - State/Local Air Monitoring Sites. x/y: x is the number of sites operating or with P&A data or with less than 75% data capture. y is the number of sites required to be operating or required to be submitting data. ------- TABLE 2 NUMBER OF STATIONS VIOLATING NATIONAL AMBIENT AIR QUALITY STANDARDS* Standard CT ME MA NH RI VT Annual Primary 80 ug1m 0/10 0/35 0/21 0/12 0/4 0/4 24-hour Primary* 365 ug/m 3 0/10 1/35 0/21 0/12 0/4 0/4 3-hour Secondary* 1300 ug/m 0/10 0/35 0/21 0/12 0/4 0/4 Particulates Annual Primary 75 ug/m 0/40 0/88 0/27 1/26 0/15 0/6 24-hour Primary* 260 ug/m 3 0/40 5/88 0/27 0/26 0/15 0/6 24-hour Secondary* 150 ug/m 5/40 22/88 2/27 2/26 0/15 1/6 CO 8-hour Primary* 10 ug/m 1/5 0/1 1/7 1/3 1/2 0/1 1-hour Primary* 40 ug/m 0/5 0/1 0/7 0/3 0/2 0/1 23 1—hour Primary* 0.12 ppm 12/12 1/7 7/18 2/5 2/2 0/2 Annual Primary 100 ug/m 3 0/7 0/1 0/9 0/2 *IJnless the second highest average exceeds the NAAQS, there is no violation. x/y - x is the number of stations in violation. y is the total number of stations. - This pollutant is not monitored in the state. ------- ABBREVIATIONS AND SYMBOLS USED IN TABLE 3 SITE ID Site identification number YR Year REP ORG Reporting organization # OBS Number of observations MAX 24-HR 151 Highest value recorded in a 24-hour period MAX 24-HR 2ND Second highest value recorded in a 24-hour period OBS >260 Number of observations greater than 260 OBS >150 Number of observations greater than 150 ARIT MEAN Arithmetic mean GEO MEAN Geometric mean GSD Geometric standard deviation METH Method QTRLY ARITH MEAN 1ST First quarter arithmetic mean QTRLY ARITH MEAN 2ND Second quarter arithmetic mean QTRLY ARIT1-I MEAN 3RD Third quarter arithmetic mean QIRLY ARITI-1 MEAN 4TH Fourth quarter arithmetic mean MEANS >1.5 Number of quarterly means greater than 1.5 MAX VALUES 1ST Highest value recorded for the year MAX VALUES 2ND Second highest value recorded for the year MAX 1-HR 1ST Highest value recorded in a one-hour period MAX 1-HR 2ND Second highest value recorded in a one-hour period OBS >40 Number of observations greater than 40 MAX 8-HR 1ST Highest value recorded in an eight-hour period MAX 8-HR 2ND Second highest value recorded in an eight-hour period OBS >io Number of observations greater than 10 OBS >365 Number of observations greater than 365 MAX 3-HR 1ST Highest value recorded In a three-hour period MAX 3-HR 2ND Second highest value recorded in a three-hour period OBS >1300 Number of observations greater than 1300 DAILY MAX 1-HR isi Maximum hourly ozone value for a day DAILY MAX 1-HR 2ND Second maximum hourly ozone value for a day DAILY MAX 1-HR 3RD Third maximum hourly ozone value for a day 6 ------- ABBREVIATIONS AND SYMBOLS USED IN TABLE 3 (Continued) VALS > . 125 MEAS VALS >.125 EST NBR VALID DAILY MAX MISS DAYS ASS < STD 9 Number of measured values greater than 125 Number of expected violations Number of valid daily maximum values Number of missing days assumed to be less than the standard The mean does not satisfy summary criteria 7 ------- TABLE 3 AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SUSPENDED PARTICULATE MATTER (UG/M31 CONNECTICUT METHOD: GRAVIMETRIC, 24-HOUR HI-VOLUME FILTER SAMPLE-91 REP MAX £4-HR 053> 065> SITE ID LOCATION COUNTY ADDRESS YR ORG OOS 1ST 2ND 260 150 MEAN MEAN 850 070008003F01 ANSOLIIA NEW HAVEN Co MARTIN BUILDING 81 001 119 179 166 2 50 44 1.7 070060001F01 BRIDGEPORT FAIRFIELD Co CITY HALL 61 001 61 219 93 44 40 1.6 070060009F01 BRIDGEPORT FAIRFIELD CO BASSICK HIGH SC 81 001 59 103 81 42 38 1.5 070060123F01 BRIDGEPORT FAIRFIELD CO TRAILER HALLET 61 001 120 158 142 1 58 52 1.6 070070001F01 BRISTOL HARTFORD CO CITY HALL MAIN 81 001 60 224 210 2 45 37 1.9 070085001F03 BURLINGTON HARTFORD CO FISH HATCHERY 61 001 119 71 63 25 22 1.7 070175002F01 DANBURY FAIRFIELD CO PUBLIC LIBRARY 81 001 57 139 123 43 42 1.7 070175123F01 DANBURY FAIRFIELD CO TRAILER OSBORNE 81 001 56 132 94 46 40 1.3 070330004F01 GREENWICH FAIRFIELD CO BRUCE GOLF COUFS 81. 001 59 68 67 34 30 1.7 070420003F01 HARTFORD HARTFORD CO HARTFORD LIBRARY 81 001 118 178 112 1 51 47 1.5 070420013F01 HARTFORD HARTFORD CO HARTFORD TECHNI 81 001 61 134 87 41 37 1.6 070420014F01 HARTFORD HARTFORD CO FIRE HOUSE 61 001 60 147 138 45 39 1.7 070478001F03 LITCHFIELD CO IITCHFIELD CO MORRIS DAN 81 001 114 95 70 28 24 1.7 070510001F01 MANCHESTER HARTFORD CO TO N HALL 81 001 59 113 84 37 32 1.7 070540002F01. IIERIDEN NEW HAVEN CO ST000ARD BUILDI 81 001 60 163 112 1 48 40 1.8 070540008F0 ]. MERIDEN NEW HAVEN CO TRUMBULL SCHOOL 81 001 35 96 79 41? 36? 1.7 070570003F01 MIDDLETOWN MIDDLESEX CO CITY HALL 81 001 59 166 110 44 33 1.7 070590002F01 NILFORD NEW HAVEN CO Ccr NUuITY CENTE 81 001 60 132 93 45 40 1.6 070660001F0] . NAUGATUCK NEW HAVEN CO TCWN HALL CHURCH 81 60 176 107 1 47 40 1.7 070680007F01 NEW BRITAIN HARTFORD CO FIRE HOUSE SOUl 81 001 115 126 91 40 36 1.6 070680008F01 NEW BRITAIN HARTFORD CO FIRE CEPT. HEAD 81 001 59 155 226 1 40 35 2.7 070680009F01 NEW BRITAIN HARTFORD CO CHAMBERLAIN SCH 81 001 ,59 133 86 39 35 1.6 070700002F01 NEW HAVEN NEW HAVEN CO CLINTON SCHOOL 81 001 54 191 121 1 52 46 070700123F01 NEW HAVEN NEW HAVEN CO NEW HAVEN TRAIL 81 001 112 20? 164 3 56 50 1.6 070820001F01 NORWALK FAIRFIELD CO BOARD OF EDUCAT 81 001 57 119 111 46 41 1.6 07Q820005F01 NORWALK FAIRFIELD CO HEALTH DEFT 81 001 118 168 132 1 54 48 1.6 070820012F01 NORWALK FAIRFIELD CO U.S.POST OFFICE 31 001 60 106 88 43 39 1.6 070840001F01 NORWICH NEW LONDON CO CISCO BUILDING M 61 61 139 125 41 36 1.7 071080001F01 STAMFORD FAIRFIELD CO CENTRAL FIRE HEA 81 001 58 102 96 48 44 1.6 071O80007F01 STAMFORD FAIRFIELD CO D.P.W. 81 001 60 110 82 45 41 1.5 071060021F01 STAMFORD FAIRFIELD CO COLN UNITY CEUTE 8]. 001 60 65 33 44 41 1.5 071110005F01 STRATFORD FAIRFIELD CO HEALTH DEPARTME 81 001 56 191 104 1 52 46 1.7 071205001F03 VOLUNTOWN NEW LONDON CO PACHAUG STATE F 81 001 115 77 67 24 21 1.7 0712 10001F01 WALLINGFORO NEW HAVEN CO TOWN HALL 81 001. 61 256 209 3 50 40 2.0 071240005F01 WATERBURY HEW HAVEN CO COURT HOUSE 81 001 50 123 110 45 40 1.6 071240006F01 WATERBURY NEW HAVEN CO FIRE HOUSE NO.6 81 001 60 175 114 1 46 39 1.8 071240007F01 WATERBURY NEW HAVEN CO EAST END FIRE H 81 001 111 222 .37 3 56 ‘ .8 1.7 ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SUSPENDED PARTICULATE HATTER (UG/M3) CONNECTICUT METHOD: GRAVIMETRIC, 24-HOUR HI-VOLUME FILTER SAMPLE-91 REP MAX 24-HR CBS> CBS> ARIT GEO SITE ID LOCATION COUNTY ADDRESS YR O G COBS 151 2ND 260 150 ME H tIEAN GSD 071410002F01 WILLIMANTIC WINDHAM Co COURT HOUSE 81 001 58 154 125 1 45 39 1.6 ‘ 0 ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS LEAD (US/MU CONNECTICUT METHODS: JARRELL-ASH EMISSION SPECTRA ICAP-90, EMISSION SPECT MUFFLE FUPNACE-91, ATOMIC ABSORPTION-92, DITHIOZONE tIETHOD—93 EMISSION SPECT (LOW TEMP ASH)-95, X-RAY FLUORESCENCE-96 REP METH GTRLY ARITH MEAN MEANS> MAX VALUES SITE ID LOCATION COUNTY ADDRESS YR ORG SOBS 1ST 2ND 3RD 4TH 1.5 1ST 2ND 070008003F01 ANSONIA HEW HAVEN CO MARTIN BUILDING 81 75 92 .52 .31 .31 .44 1.35 1.17 070060001F01 BRIDGEPORT FAIRFIELD CO CITY HALL 81 61 92 .43 .36 .32 .43 1.08 .96 070060009F01 BRIDGEPORT FAIRFIELD CO BASSICK HIGH SC 81 58 92 .30 .26 .26 .29 .72 .66 070060123F01 BRIDGEPORT FAIRFIELD CO TRAILER HALLET 81 76 92 .51 .41 .38 .49 1.08 1.03 070070001F01 BRISTOL HARTFORD CO CITY HALL MAIN 61 60 92 .29 .21 .23 .26 .74 .65 070085001F03 BURLINGTON HARTFORD CO FISH HATCHERY 61 75 92 .10 .10 .09 .07 .21 .20 070175002F01 DANBURY FAIRFIELD CO PUBLIC LIBRARY 81 57 92 .34 .25 .25 .40 .74 .73 070175123F01 DANBURY FAIRFIELD CO TRAILER OSBORNE 81 56 92 .35 .27 .30 .41 .97 .93. 070330004F01 GREENWICH 070330008F05 GREENWICH FAIRFIELD CO FAIRFIELD CO BRUCE GOLF COUPS COS COB PUMP 81 81 60 92 60 92 .18 .33 .16 .23 .18 .31 .13 .32 .42 .86 .40 .81 070380002F02 HADDAM MIDDLESEX CO CRIMINAL JUSTIC 81 58 92 .19 .10 .12 .12 .50 .46 070420003F01 HARTFORD HARTFORD CO HARTFORD LIBRARY 81 74 92 .48 .31 .33 .45 1.22 1.17 070420013F01 HARTFORD HARTFORD CO HARTFORD TECHNI 81 61 92 .41 .20 .27 .41 1.02 .96 070420014F01 HARTFORD HARTFORD CO FIRE HOUSE 81 60 92 .48 .26 .31 .43 1.45 1.16 070478001F03 LITCHFIELD CO LITCHFIELD CO NORRIS DAM 81 70 92 .13 .08 .10 .10 .27 .25 070510001F01 MANCHESTER HARTFORD CO TOWN HALL 81 59 92 .27 .17 .22 .24 .67 .58 070540002F01 MERIDEN NEW HAVEN CO STODDAPD BUILDI 81 60 92 .39 .29 .25 .42 1.13 1.11 070540008F01 tIEPIDEN NEW HAVEN CO TRUMBULL SCHOOL 81 33 92 .27? .25 .36 1.15 .82 070570003F01 MIDDLETOWN MIDDLESEX CO CITY HALL 31 59 92 .40 .29 .25 .40 1.07 .94 070590002F01 MILFORD NEW HAVEN CO COMMUNITY CENTE 81 60 92 .29 .27 .29 .31 .82 .73 070660001F01 NAUGATUCK NEW HAVEN CO TOWN HALL CHURCH 81 60 92 .51 .26 .32 .51 1.68 1.35 070680007F01 NEW BRITAIN HARTFORD CO FIRE HOUSE SOUl 81 72 92 .29 .20 .24 .36 .83 .32 070680008F01 HEW BRITAIN HARTFORD CO FIRE DEPT. HEAD 81 58 92 .32 .22 .23 .35 1.02 .87 070680009F01 NEW BRITAIN HARTFORD CO CHAMBERLAIN SCM 81 59 92 .28 .18 .19 .34 1.03 .86 070700002F01 NEW HAVEN NEW HAVEN CO CLINTON SCHOOL 81 55 92 .59 .27 .40 .66 1.43 1.35 070700123F01 NEW HAVEN NEW HAVEN CO NEW HAVEN TRAIL 81 73 92 .70 .44 .45 .61 1.64 1.63 070820001F01 NORWALK FAIRFIELD CO BOARD OF EDUCAT 61 57 92 .36 .27 .26 .31 1.01 .74 070820005F01 NORWALK FAIRFIELD CO HEALTH DEPT 81 75 92 .42 .33 .33 .44 .94 .93 070320012F01 NORWALK FAIRFIELD CO U.S.POST OFFICE 81 60 92 .31 .26 .32 .43 .93 .89 070840001F01 NORWICH NEW LONDON CO CISCO BUILDING M 81 61 92 .32 .12 .20 .28 1.05 .89 071030001F01 STAMFORD FAIRFIELD CO CENTRAL FIRE HEA 81 58 92 .32 .33 .32 .32 .75 .72 071080007F01 STAMFORD FAIRFIELD CO D.P.W. 81 60 92 .29 .18 .21 .27 .67 .63 071080021F01 STAMFORD FAIRFIELD CO COMMUNITY CENTE 81 60 92 .27 .27 .34 .36 .82 .73 071110005F01 STRATFORD FAIRFIELD CO HEALTH DEPAPTME 81 56 92 .47 .34 .35 .47 1.13 .99 071160123F01 TORPIHGTOU LITCHFIELD CO TORRIF4STON TRAIL 81 72 92 .41 .27 .26 .43 1.12 1.10 071205001F03 VOLUNTOWN NEW LONDON CO PACHAUG STATE F 81 72 92 .11 .05 .06 .06 .32 .21 071210001F01 WALLINSFORD NEW HAVEN CO TOWN HALL 81 60 92 .40 .25 .28 .43 1.42 1.17 071240002F01 WATERBURY NEW HAVEN CO WASTE TREATMENT 81 57 92 .40 .26 .31 .37 .94 .91 071240005F01 WATERBURY NEW HAVEN CO COURT HOUSE 81 50 92 .30 .30 .34 .41 1.49 .71 ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS LEAD (UG/M3) CONNECTICUT METhODS: JARRELL-ASH EMISSION SPECTRA ICAP-90, EMISSION SPECT MUFFLE FUPNACE—91, ATOMIC ABSORPTION-92, OINIOZONE METHOD-93 EMISSION SPECT (LOW TEMP ASH 1-95, X-RAY FLUORESCENCE-96 REP METH QTRLY ARITH MEAN MEANS> MAX VALUES SITE ID LOCATION COUNTY ADDRESS YR ORG ROBS 1ST 2ND 3RD 4TH 1.5 1ST 2ND 071240006F01 WATERBURY NEW HAVEN Co FIRE HOUSE NO.6 81 60 92 .28 .22 .26 .27 .74 .67 071240007F01 WATERDURY NEW HAVEN CO EAST END FIRE H 81 72 92 .63 .37 .41 .54 1.61 1.47 071240123F01 WATERBURY NEW HAVEN CO TRAILER AT DOT E 81 76 92 .70 .48 .55 .74 2.45 1.82 071260001F02 WATERFORD NEW LONCON CO NEW LONDON COUNT 81 58 92 .13 .08 .14 .11 .39 .29 071410002F01 WILLIMANTIC WINDHAM CO COURT HOUSE 81 58 92 .37 .13 .20 .34 1.26 .83 I- ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS CARBON MONOXIDE (MG/P13) CONNECTICUT METHOD: NONDISPERSIVE INFRARED (HDIR) CONTINUOUS, HOURLY VALUES-il, FLAME IONIZATION-21 REP MAX 1-HR OBS> MAX 8-HR OBS> SITE ID LOCATION COUNTY ADDRESS YR ORG tIOBS 151 2ND 40 1ST 2ND 10 METH 070060004F01 BRIDGEPORT FAIRFIELD CO JASPER MCLEVY H 81 8617 16.2 15.3 8.5 8.3 11 070420012F01 HARTFORD HARTFORD CO RECRUITING OFFIC 81 8651 21.9 16.6 9.2 9.0 11 070680002F01 NEW BRITAIN HARTFORD CO CITY HALL 81 8259 17.5 15.1 11.1 10.1 1 11 070700007F01 NEW HAVEN NEW HAVEN CO CITY HALL 81 8372 15.6 15.6 10.5 9.3 1 11 071080020F01 STAMFORD FAIRFIELD CO FERGUSON LIBRAR 81 6147 37.6 30.2 18.2 17.7 112 11 I- . ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SULFUR DIOXIDE (UG/M3) CONNECTICUT METHODS: HOURLY VALUES WEST-GAEKE COLORIMETRIC-li, CONDUCTIMETRIC-13, COULOMETPIC-14, FLAME PHOTOMETRIC-16, HYDROGEN PEROXIDE NAOH TITRATIOH-18, CATALYST FLAME PHOTOMETPIC-19, PULSED FLUCRESCENT-20, SECOND DERIVATIVE SPECTROSCOPY-21, CONDUCTANCE ASARCO-22, ULTRA VIOLET STIMULATED FLUORESCENCE-23,SEQUENTIAL CONDUCTIIIETRIC-33, 24-HOUR GAS BUBBLERS PARAROSANILINE-SULFAIIIC ACID-91, PARAROSANILINE SULFAMIC ACID TEMPERATURE CONTROLLED-97 REP MAX 24-HR OBS> MAX 3-HR OBS> MAX 1-HR APIT SITE ID LOCATION COUNTY ADDRESS YR ORG SOBS 1ST 2ND 365 1ST 2ND 1300 1ST 2ND MEAN MTh 070060001F01 BRIDGEPORT FAIRFIELD CO CITY HALL 81 001 8602 212 197 330 298 338 375 31 20 070060123F01 BRIDGEPORT FAIRFIELD CO TRAILER HALLET 81 001 8582 199 175 279 264 328 328 35 20 070175123F01 DANBURY FAIRFIELD CO TRAILER OSBO2NE 81 001 8675 149 131 193 176 210 207 26 20 070330004F0]. GREENWICH FAIRFIELD CO BRUCE GOLF COURS 81 1446 180 164 249 230 259 246 35? 20 070330017F05 GREENWICH FAIRFIELD CO GREENWICH POINT 81 3492 51 44 159 148 217 191 11? 20 070420123F01 HARTFORD HARTFORD CO HARTFORD TRAILER 81 8387 232 201 296 271 325 307 30 20 070590002F01 tIILFORD NEW HAVEN CO COMMUNITY CENTE 81 001 8210 355 269 622 602 710 624 40 20 070700123F01 NEW HAVEN NEW HAVEN CO NEW HAVEN TRAIL 81 001 8450 202 178 286 264 309 299 35 20 071080123F01 STAMFORD FAIRFIELD CO TRAILER NORTH ST 81 8664 210 175 342 265 388 343 27 20 071240123F01 WATERBURY NEW HAVEN CO TRAILER AT DOT E 81 8573 121 96 189 154 204 163 24 20 ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS NITROGEN DIOXIDE (UG/t13) CONHECTICUT METhODS: HOURLY VALUES COLOPIMETRIC—LYSHKOW-11, COLORIMETRIC-GRIESS-SALTZMAN-12, COULOMETRIC-13, CHEIIIIUtIINESCENCE-14, 24-HOUR GAS BUBBLERS HASH SODIUM ARSENITE ORIFICE-34, NASH SODIUM ARSENITE FRIT-94, TEA METHOD-95, TGS tIETHOD-96 REP MAX 1-HR MAX 24-HR ARIT SITE ID LOCATION COUNTY ADDRESS YR ORG OB5 1ST 2N3 1ST 2ND MEAN HETH 070060123F01 BRIDGEPORT FAIRFIELD CO TRAILER HALLET 81 4802 194 190 50? 14 070220003F01 EAST HARTFORD HARTFORD CO 30 REMINGTON ROA 81 6826 147 147 36 14 070330017F05 GREENWICH FAIRFIELD CO GREENWICH POINT 81 1644 179 175 33? 14 070420123F01 HARTFORD HARTFORD CO HARTFORD TRAILER 81 1664 190 182 59? 14 070500002F05 MADISON NEW HAVEN CO HAMMONASSET STA 81 1618 160 158 27? 14 070700123F01 NEW HAVEN NEW HAVEN CO HEW HAVEN TRAIL 81 4315 197 179 50? 14 071110007F01 STRATFORD FAIRFIELD CO STRATFORD POINT 81 3143 165 145 27? 14 ? INDICATES ThAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS OZONE (PARTS PER MILLION) CONNECTICUT tIETHODS: HOURLY VALUES CHEtIILUtIIHESCENCE-11, ULTRA VIOLET DASIBI CORPORATION-14, CHEMILUMINESCENCE RHODAtIIHE B DYE-15 REP DAILY MAX 1-HR VALS > .125 NBR VALID MISS DAYS SITE ID LOCATION COUNTY ADDPESS YR ORG *035 1ST 2ND 3RD tIEAS EST* DAILY MAX ASS < STO tIE 070060123F01 BRIDGEPORT FAIRFIELD CO TRAILER HALLET 81 00]. 4390 .155 .151 .150 9 18.1 182 0 11 070] .75123F01 DANBURY FAIRFIELD CO TRAILER OSBORNE 81 001 4060 .274 .169 .185 11 23.8 169 0 11 070220003F01 EAST HARTFORD HARTFORD CO 30 REMINGTON POA 81 001 5964 .188 .150 .136 6 8.8 250 0 11 070330004F01 GREENWICH FAIRFIELD CO BRUCE GOLF COURS 81 3309 .244 .175 .168 13 34.0 139 1 11 070330017F05 GREENWICH FAIRFIELD CO GREENWICH POINT 81 3174 .175 .174 .169 19 52.5 131 3 11 070350005F01 GROTON NEW LONDON CO AVERY PT LIGHT 81 3303 .235 .174 .167 13 34.9 135 3 11 070500002F05 MADISON NEW HAVEN CO HANtIONASSET STA 81 2473 .204 .151 .148 12 42.0 104 1 11 070570007F01 IIIDDLETOWH MIDDLESEX CO SHEW HALL. 81 001 5638 .200 .174 .159 17 26.4 235 0 11 070680010F05 NEW BRITAIN HARTFORD CO KLINSBEPG FAMIL 81 4177 .190 .162 .155 11 23.1 174 0 11 070700123F01 NEW HAVEN NEW HAVEN CO NEW HAVEN TRAIL 81 001 6564 .208 .161 .136 6 8.0 274 1 11 071060001F01 STAFFORD TOLLAND CO SHENIPSIT STATE 81 001 3966 .174 .151 .143 8 17.6 165 1 11 071110007F01 STRATFORD FAIRFIELD CO STRATFORD POINT 81 001 4183 .218 .202 .196 24 50.1 175 0 11 *Based on 365 days. As the ozone season in Region I is approximately 200 days, these numbers will overestimate the “Vals .125 Est”. ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SUSPENDED PARTICULATE MATTER (UG/M3) MAINE METHOD: GRAVIMETRIC, 24-HOUR HI-VOLUME FILTER SAMPLE-91 REP MAX 24-HR OBS> OBS> ARIT GEO SITE ID LOCATION COUNTY ADDRESS YR ORG *OBS 1ST 2ND 260 150 MEAN MEAN G5O 200045001J05 AROOSTOOK CO AROOSTOOK CO PORTAGE LAKE 81 34 58 44 23? 21? 1.5 200045003.105 ARODSTOOK CO AROOSTOOK CO T12R8 SECOND SIT 81 29 146 77 29? 23? 2.0 200045004.102 AROOSTOOK CO AROOSTOOK CO PATTERSON PROPER 81 69 82 66 17? 14? 1.9 200060008F01 AUBURN ANDROSCOGGIN CO NAB LEPAGE BAKER 81 001 117 143 131 58 54 1.5 200080001F01 AUGUSTA KENP4EBEC CO CHS AUGUSTA MAIN 81 001 117 254 226 4 68 60 1.7 200100001F01 BANGOR PENOBSCOT CO 31 CENTRAL ST 81 001 220 171 159 2 50 ‘.5 1.6 200100002F01 BANGOR PENOBSCOT CO KENDUSK PUMP STA 81 217 200 194 3 60 54 1.6 200100005F05 BANGOR PENOBSCOT CO BANG. DAILY NEWS 81 224 249 194 3 53 47 1.6 200100009F05 BANGOR PENOBSCOT Co AIRPORT 3RD BUlL 81 207 99 68 33 28 1.7 200160001F01 BIDDEFORD YORK CO BIOD POST OFFICE 81 4 54 43 42? 42? 1.2 200160002F05 BIDDEFORD YORK CO BIOD TREATMENT P 81 5 65 57 49? 47? 1.3 200180001F05 BREWER PEHOBSCOT CO BREWER FIRE DEPT 81 117 261 202 1 2 62 55 1.6 200180002F05 BREWER PENOBSCOT CO BREWER JHS 81 001 80 131 125 49? ‘.4? 1.6 200205002.105 BUCKSPORT HANCOCK CO BUCKSPORT FIRE S 81 99 209 151 2 38? 3 ? 1.8 200220001J05 CALAIS WASHINGTON CO CPO 81 78 250 222 9 83? 67? 1.9 200220002J05 CALAIS WASHINGTON CO CH 81 74 258 124 1 57? 49? 1.7 200275001J02 CUI1BERLAND CUMBERLAND CO COTTAGE ROAD 83. 69 56 47 22? 21? 1.5 200315001.102 EAST fIILLINOCKET PENOBSCOT CO AERATION LAGOON 81 114 74 67 28 26 1.5 200315002J02 EAST MILLINOCKET PENOBSCOT CO KATAHOIN SCHOOL 81 117 91 88 32 26 1.9 200360001F01 FAIRFIELD KEUNEBEC CO FAIRFIELD P.O. 81 128 191 164 5 67 60 1.6 200450001J02 FREEPORT CUMBERLANO CO WEBSTER ROAD 81 112 55 ‘.9 25? 23? 1.4 200530001.102 JAY FRANKLIN CO IP MET ANDROSCOG 81 93 304 124 1 1 43? 33? 2.2 200530003.102 JAY FRANKLIN CO JAY CRASH RD 81 249 3T2 131 1 1 29 23 1.9 200530004.102 JAY FRANKLIN CO JAY HILL 81 265 437 131 1 1 35? 28? 2.0 200 530005J02 JAY FRANKLIN CO JAY BRACKETTS CR 81 114 75 67 21? 17? 1.9 200530006.102 JAY FRANKLIN CO IP WATER TREATtIE 81 125 445 308 3 18 75? 47? 2.7 200620005F01 LEWISTON ANDROSCOGGIN CO LPO LEWISTON POS 81 001 118 184 152 2 58 53 1.5 200640002J02 LINCOLN PENOBSCOT CO VOC. EDU. BLDG 81 356 188 172 4 52 45 1.7 200640003J02 LINCOLN PENOBSCOT CO LINCOLN POST OFF 81 358 206 188 7 57 50 1.8 200640004J02 LINCOLN PEMOBSCOT CO KATAHOIN AV. FLD 81 356 658 553 8 39 84 65 2.0 200720003J02 MADAWASKA AROOSTOOK CO tIADAWSKA HIGH SC 81 245 462 314 4 9 55 44 1.9 200720009.102 MADAWASKA AROOSTOOK CO ALBERT STREET 81 296 142 116 ‘.2 37 1.7 200740001J02 MADISON SOMERSET CO lIUN BLDG MADISON 81 28 131 107 47? 40? 1.8 200740002J02 MADISON SOMERSET CO CORO MADISON ME 81 26 80 76 39? 32? 2.0 200760003.102 MEXICO OXFORD CO MEXICO TREATMENT 81 262 130 127 47 42 1.6 200760006J02 MEXICO OXFORD CO CARTER PROPERTY 81 259 119 118 33 27 1.9 200760008.102 MEXICO OXFORD CO LABONVILLES RT 2 81 231 169 128 1 55 48 1.7 200760009.102 MEXICO OXFORD CO MEXICO PUMP HOUS 81 245 121 3.17 43 37 1.7 200780006.105 MILLINOCKET PENOBSCOT CO G.N.P.-W.T.P. 81 175 91 83 27 24 1.7 ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SUSPENDED PARTICULATE MATTER (UGi’M3) MAINE METHOD: GRAVIMETRIC, 24-HOUR HI-VOLUME FILTER SAMPLE-91 PEP MAX 24-HR CBS’ CBS> ARIT GEO SITE ID LOCATION COUNTY ADDRESS YR ORG 1*OBS 1ST 2ND 260 150 MEAN MEAN 850 200780009J05 MILLINOCKET PENOBSCOT Co YORK ST. 61 351 168 157 2 ‘+9 43 1.7 200780013J05 MILLINOCKET PENOBSCOT CO EAST AVE. 81 179 130 125 39 33 1.7 200840003F02 OLD TOWN PENOBSCOT CO MARSH ISLAND APT 81 001 118 155 132 1 48 43 1.6 200840005F05 OLD TOWN PENOBSCOT CO PENDBSCOT SHOE C 81 109 183 148 1 44 37 1.8 200885001J05 OXFORD CO OXFORD CO BESSEY MOTORS 81 118 141 120 59 53 1.6 200885004J05 OXFORD CO OXFORD CO SITE 2 (REILLY) 81 116 152 129 1 64 59 1.6 200885006J02 OXFORD CO OXFORD CO IP CANTON KENNET 81 116 62 42 17? 15? 1.8 200907005F05 PENOBSCOT CO PENOBSCOT CO NEWBURGH, MAINE 61 333 74 72 22 19 1.7 200907007J05 PENOBSCOT CO PENOBSCOT CO SHU WAY FIELD 81 322 109 107 34 29 1.7 200907008J05 PENOBSCOT CO PENOBSCOT CO HINES 81 60 77 75 23? 20? 1.7 200907009J05 PENOBSCOT CO PENCE3SCOT CO HOtlGAS 81 55 67 43 20? 18? 1.6 200960004F01 PORTLAND CUMBERLAND CO PORT H S 285 CUM 81 5 115 89 75? 70? 1.5 200960011F03. PORTLAND CUtIBERLAND CO SELTZER AND PYDH 81 10 103 87 57? 52? 1.5 200960012F01 PORTLAND CUMBERLAND CO CONGRESS SQUARE 81 001 112 102 97 51 ‘+8 1.4 200960014F01 PORTLAND CUMBERLAND CO SHELTER SITE 81 116 141 129 55 50 1.5 200960015F01 PORTLAND CUFIBERLAND CO TUKEYS BRIDGE 81 96 197 180 4 69 63 1.5 200980002F01 PPES UE ISLE AROOSTOOK CD PIRO-634 MAIN ST 81 55 712 300 3 12* 115? 90? 2.0 200980003F01 PRESQUE ISLE AROOSTOOM CO PRESQUE ISLE H.S 61 147 393 357 2 3 53 44 1.7 200980004F05 PRESQUE ISLE APOOSTOOK CO SKYWAY SCHOOL 81 145 100 67 29 26 1.6 200980005F05 PRESQUE ISLE AROOSTOOK CO NEL 81 152 568 373 3 10 80 67 1.7 200980006F05 PRESQUE ISLE APOOSTOOK CO STEEGO AUTO PART 81 117 140 100 43? 39? 1.5 200980007F05 PRESQUE ISLE AROOSTOOK CO CREASEY RIDGE P0 81 136 55 42 17? 15? 1.7 201020004J02 RUMFORD OXFORD CO RUMFORD HIGH SCH 8]. 257 93 90 33 29 1.7 201100001J02 SKOWHEGAN SOMERSET CO HINKLEY FARM SCH 81 232 71 65 20 16 2.0 201100002J02 SKOWHEGAN SOMERSET CO EATON RIDGE 81 233 60 50 19 16 1.9 201140002F01 SOUTH PORTLAND CUFIBERLAND CO SJ1.V.T.I. 81 113 84 80 39 37 1.4 201140003F04 SOUTH PORTLAND CUtIBERLAND CO RIGBY YARD 81 35 234 192 2 66? 56? 1.7 201150001J05 THOFIASTON KNOX CO DEXTER AVE TH 81 204 153 137 1 33 26 2.0 2 01150003J05TH O FIASTON KNOX CO TAS THOMASTON (IA 81 203 104 102 29 24 1.9 201150004J05 THOFIASTON KNOX CO TPH THOFIASTON MA 81 190 134 119 43 33 1.7 201150007J05 THOFIASTON KNOX CO MARSH RD THOM 81 203 155 143 1 37 31 1.8 201183002F05 WALDO CO WALDO CO H. RYAN PROPERTY 81 11 94 93 ‘+0? 31? 2.1 201205001J05 WASHINGTON CO WASHINGTON CO WSTP 81 72 248 137 1 51? ‘+3? 1.8 201205002J05 WASHINGTON CO WASHINGTON CO (INNP 81 79 51 39 19? 17? 1.5 201205004J02 WASHINGTON CO WASHINGTON CO WOODLAUD-0 ST. 81 245 ,4 89 31 27 1.8 201205007J02 WASHINGTON CO WASHINGTON CO WOODLAND—P LINE 81 256 210 207 3 42 33 2.1 201205008J02 WASHINGTON CO WASHINGTON CO WHS 81 65 148 148 51? 40? 2.1 201205008J05 WASHINGTON CO WASHINGTON CO WHS 81 78 197 186 3 56? 49? 1.7 201205009J05 WASHINGTON CO WASHINGTON CO STHW 81 76 99 91 36? 33? 1.6 *Does not meet siting criteria for TSP. ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SUSPENDED PARTICULATE MATTER (UG/M3) MAINE METHOD: GRAVIMETRIC , 24-HOUR HI—VOLUME FILTER SAtIPLE-91 REP MAX 24-HR 085> OBS> APIT GEO SITE ID LOCATION COUNTY ADDRESS YR ORG *OBS 1ST 2ND 260 150 MEAN MEAN GSD 20120 5010J05 WASHINGTON CO WASHINGTON CO EES 81 - 74 72 62 28? 25? 1.6 201205011JO5 WASHINGTON CO WASHINGTON CO EFF 81 28 79 63 36? 33? 1.5 201205012 -105 WASHINGTON CO WASHINGTON CO RP — PRINCE COTT 81 69 70 52 20? 18? 1.5 201205015J05 WASHINGTON CO WASHINGTON CO CNS/WAFERBOARD 81 186 141 124 47? 30? 2.0 201220002F01 WATERVILLE KENNEBEC CO CORE MUSIC STR 81 001 132 204 156 2 56 50 1.6 201260002J05 WESTBROOK CUIIBERLAND CO N.E.T.&T. CO. 81 353 159 125 1 43 39 1.6 201260007F05 WESTBROOK CUMBERLAND CO WEST. POLICE DEP 81 112 133 132 65 60 1.5 201260008.102 WESTBROOK CUMBERLAND CO RESEARCH BLDG 81 350 149 148 57 52 1.6 201260010J02 WESIBROOK CUMBERLAND Co WEST HOSPITAL 81 250 103 95 35? 31? 1.7 201260011J02 WESTBROOK CUMBERLAND CO PARK ROAD 81 176 132 101 39? 33? 1.8 201260012.102 WESTBROOK CUMBERLAND CO WAREHOUSE WESTBP 81 5 127 75 74? 68? 1.5 ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS LEAD (UGIM3) MAINE METHODS! ,JARRELL-ASH EMISSION SPECTRA ICAP-90, EMISSION SPECT MUFFLE FURNACE—91, ATOMIC ABSOPPTION-92, DITHIOZONE METHOD-93 EMISSION SPECT (LOW TEMP ASH)-95, X-RAY FLUORESCENCE-96 REP METH QTRLY ARITH MEAN MEANS> MAX VALUES SITE ID LOCATION COUNTY ADDRESS YR ORG *(OBS 1ST 2ND 3RD 4TH 1.5 1ST 2 D 200080001F01 AUGUSTA KENNEBEC CO CHS AUGUSTA MAIN 81 59 92 .27 .10 .25 .28 .73 .66 200100002F01 BANGOR PEUOBSCOT CO KENDUSK PUMP STA 81 57 92 .22 .19 .18 .30 .62 .61 200620005F01 LEWISTON ANDROSCOGGIN CO LPO LEWISTON POS 81 60 92 .27 .26 .36 .26 1.11 200960015F01 PORTLAND CUfIBERLAND CO TUKEY’S BRIDGE 81 96 92 .53 .57 .54 .69 1.45 1.26 200980002F01 PRESQUE ISLE AROOSTOOK CO PIRO—634 MAIN ST 81 40 92 .30 .31? .96 .85 200980005F05 PRESQUE ISLE AROOSTOOK CO NEL 81 113 92 .27 .17 .18 .27 .93 .70 I - . ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS CARBON MONOXIDE UIG/M3) MAINE METHOD: NOPIDISFER5IVE INFRARED (NUIR) CONTINUOUS, HOURLY VALUES -11 , FLAME IONIZATION21 REP MAX 1-HR OBS> MAX 8-HR OBS> SITE ID LOCATION COUNTY ADDRESS YR ORG I 0BS 1ST 2ND ‘.0 151 2ND 10 METH 200100001FO1 BANGOR PEHOBSCOT Co 31 CENTRAL ST 81 7866 14.4 11.3 9.4 8.3 11 200530004J02 JAY FRANKLIN Co JAY HILL 81 2936 4.0 1.5 1.0 1.0 11 0 ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SULFUR DIOXIDE (UG/M3) MAINE METHODS: HOURLY VALUES WEST-GAEKE CaLORIMETRIC-li, CONOUCTIMETRIC-13, COULOMETRIC-14, FLAME PHOTOMETRIC-16, HYDROGEN PEROXIDE NAOH TITPATION-16 , CATALYST FLAME PHOTOMETRIC-19, PULSED FLUORESCENT-20, SECOND DERIVATIVE SPECTROSCOPT-21, CONDUCTANCE ASARCO-22, ULTRA VIOLET STIMULATED FLUORESCENCE-23,SEQUENTIAL CONDUCTIHETRIC-33, 24-HOUR GAS BUBBLERS PARAROSANILINE-SULFAMIC ACID-9i, PARAROSANILINE SULFAMIC ACID TEMPERATURE CONTROLLED-97 REP MAX 24-HR OBS> MAX 3-HR OBS> MAX 1-HR ARIT SITE ID LOCATION COUNTY ADDRESS YR ORG 1 OB5 1ST 2ND 365 1ST 2ND 1300 1ST 2ND MEAN 11TH 1863 55 38 105 100 134 118 12? 14 8658 203 165 403 403 652 624 17 20 3612 28 19 111 107 178 14]. 5? 14 3056 36 35 110 109 157 147 12? 20 5636 54 50 123 116 278 186 11? 20 3469 175 64 157 241 18? 20 3406 38 38 211 77 438 134 11? 20 3452 210 202 514 390 650 498 46? 20 001 3859 91 88 172 172 309 191 25? 20 983 112 108 219 184 244 23]. 50? 20 7146 592 463 3 831 721 878 831 30 20 8233 126 102 423 376 608 563 10 20 8369 355 340 1446 888 1 1769 1687 49 20 8238 137 124 343 343 464 419 9 20 8035 74 68 336 314 472 445 11 20 8234 210 159 349 328 498 472 32 20 1623 65 52 163 157 236 197 17? 20 8537 221 192 510 487 631 626 36 20 6575 240 168 565 500 956 954 25 20 6543 137 84 217 193 249 225 10 20 8548 115 85 238 230 367 341 14 20 3148 80 73 366 225 555 440 18? 20 35 10 2]. 15 26 21 8? 20 5 139 102 82? 91 001 8028 151 145 307 286 375 354 36 20 6376 86 69 410 276 405 422 13? 20 8292 89 81 380 341 629 524 16 20 79 21 18 4? 91 78 34 26 5? 91 7976 67 57 222 187 317 215 8 20 3689 58 29 161 119 173 170 6? 20 6324 27 27 85 49 113 81 6? 20 5008 30 29 50 50 66 55 6? 20 7759 34 31 69 60 123 100 6 20 79 31 31 11? 97 2357 269 146 554 437 776 608 18? 20 5355 72 62 134 118 204 126 12? 14 7315 3 3 3 3 3 3 3 20 200275001J02 CLJtIBERLAND 200315002J02 EAST MILLINOCKET 200450001J02 FREEPORT 200530003J02 JAY 200530004J02 JAY 200530005J02 JAY 200530006J02 JAY 200620010F01 LEWISTOtI 200620011F01 LEWISTON 200620012F05 LEWISTON 200640003F02 LINCOLN 200720003J02 MADAWASKA 200720009J02 MADAWASKA 200720010J02 MAOAWASKA 200760006J02 MEXICO 200760007J02 MEXiCO 200780002F02 IIILLIHOCKET 200780006J02 MILLINOCKET 200780009J02 MILLINOCKET 200780010J02 MILLINOCKET 200780013J02 MILLINOCKET 200885006J02 OXFORD CO 200907010F05 PENOBSCOT CO 200960004F01 PORTLAND 200960008F01 PORTLAND 201000010J02 ROCKLANO 201020004J02 RUMFORD 201100001J02 SKPWHEGAN 201100002J02 SKOWHEGAN 201150001J05 THOMASTON 201150006J05 THOMASTON 201150007J05 THOMASTON 201150008J05 THONASTON 201150009J05 THOMASTON 201205004J05 WASHINGTON CO 201205007JO2 WASHINGTON CO 201260006J05 WESTBROOK 201300003J02 YARMOUTH C(JP BER LAND CO PENOBSCOT CO CUMBER LAND CO FRANKLIN CO FRANKLIN CO FRANKLIN CO FRANKLIN CO ANDROSCOGGIN CO ANDROSCOGGIN CO ANDROSCOGGIN CO PENOBSCOT CO AROOSTOOK CO AROOSTOOK CO AROOSTOOK CO OXFORD CO OXFORD CO PEHOBSCOT CO PENOBSCOT CO PEHOBSCOT CO PEUOBSCOT CO PENOBSCOT CO OXFORD CO PENOBSCOT CO CUMBERLAND CO CUrIBER LAND CO KNOX CO OXFORD CO SOMERSET CO SOMERSET CO KNOX CO KNOX CO KNOX CO KNOX CO KNOX CO WASHINGTON CO WASHINGTON CO CUMBER LAND CO CUFIBER LAND CO COTTAGE ROAD 81 KATAHDIN SCHOOL 81 WEBSTER ROAD 81 JAY CRASH RD 81 JAY HILL 81 JAY BRACKETTS CR 81 IP WATER TREATME 61 PSL PARKING LOT 81 CANAL ST LEWISTO 81 NIL ASH ST LEWIS 6]. POST OFFICE/LPO 81 MADAWSKA HIGH SC 81 ALBERT STREET 81 MADAWASKA WWTP 81 CARTER PROPERTY 81 RIVERSIDE SERVIC 81 IIILLINOCKET AIRP 81 GNP W.W.T.P. 81 YORK STREET 81 WESTW000 ST. 61 EAST AVE. 81 IP CANTON KENNEl 81 BUCHANAN PROPERT 81 PORT H S 285 CUM 81 MAINE NATIONAL B 81 RKLD TREAT PLT 81 RUNFORD HIGH SCH 81 HINKLEY FARM SCH 81 EATON RIDGE 81 DEXTER AVE TN 81 SWAMP THOFIASTON 81 MARSH RD THOM 81 PT 1 THOMASTO 81 BENFIEP HILL 81 0 STREET 61 WOODLAND-P LINE 81 STROUDWATER ST. 8]. SPRUCE PT. ROAD 81 7 INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS NITROGEN DIOXIDE (UG/t13) MAINE METhODS: HOURLY VALuES COLORIMETRIC-LYSHKOW-11, COLOR IMETPIC-GRIE SS-SALTZtIAN-12, COULOrIETRIC-13, CHEMILUMINESCEUCE-14, 24-HOUR GAS BUBBLERS NASH SODIUM ARSEHITE ORIFICE-84, NASH SODIUM ARSENITE FRIT-94, TEA tIETHOD-95, TGS tIETHOD-96 PEP MAX i—HP MAX 24-HR APIT SITE ID LOCATION COUNTY ADDRESS YR CRG *OBS 1ST 2ND 1ST 2F O MEAN METH 200885006J02 OXFORD CO OXFORD Co IP CANTON KENNEl 81 — 285473 8? 14 200960004F01 PORTLAND CUMBERUND CO PORT H S 285 CUM 81 5 90 66 47? 64 I -. - ) ? INDICATES THAT THE MEAN DOES NOT SATISFY SLJMtIARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS OZONE (PARTS PEP MILLION) MAINE METhODS: HOURLY VALUES CHEMILUMINESCENCE-li, ULTRA VIOLET DASIBI CORPORATION-14, CHEMILUHINESCENCE RHODAHINE B DYE-15 PEP DAILY MAX 1-HR VALS > .125 NBR VALID MISS DAYS SITE ID LOCATION COUNTY ADDRESS YR ORG *OBS 1ST 2ND 3RD MEAS EST* DAILY MAX ASS < STO lIE 200250003F05 CAPE ELIZABETH CU11BEP1AN ) CO CAPE EL1Z. SHELT 81 3877 .142 .138 .136 5 11.2 163 1 11 200260001F05 CARIBOU AROOSTOOK CO CARIBOU AIRPORT 81 3658 .070 .065 .057 0 0.0 153 0 14 200277002F05 CUMBERLAND CO CUMBERLAND CO POWNAL A.Q.M. TR 81 3285 .116 .116 .111 0 0.0 135 1 11 200460001F05 GAROINER KENNEBEC CO GHS GARDINEP HIG 81 3331 .127 .122 .118 1 2.3 159 0 11 200907004F05 PENOBSCOT CO PEHOBSCOT CO COSTIGAN, MAINE 81 3474 .105 .105 .100 0 0.0 144 3 14 200907005F05 PENOBSCOT CO PENOBSCOT CO NEWBURGH, MAINE 81 475 .073 .067 .063 0 0.0 18 1 11 200907005F05 PENOBSCOT CO PENOBSCOT CO NEWBURGH, MAINE 81 2941 .100 .085 .085 0 0.0 124 2 14 *Based on 365 days. As the ozone season in Region I is approximately 200 days, these numbers will overestimate the “Vals .125 Est”. ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SUSPENDED PARTICULATE MATTER (UG/M3) MASSACHUSETTS METHOD: GRAVIMETRIC, 24-HOUR HI-VOLUME FILTER SAMPLE-91 REP MAX 24-HR CBS’ 085> ARIT GEO SITE ID LOCATION COUNTY ADDRESS YR ORG *OBS 1ST 2ND 260 150 MEAN MEAN GSD 220120002F01 ATTLEBORO SOUTHEASTERN MA SOUTH MAIN ST 81 13 62 59 38? 35? 1.5 220240012F01 BOSTON METROPOLITAN GO FIRE HDQR SOUTHA 81 001 73 111 98 58 55 1.4 220240013F01 BOSTON METROPOLITAN 80 68 CENTRAL SQUAR 81 001 49 102 95 56 53 1.4 220240024F01 BOSTON METROPOLITAN BO COLLUIBUS AVE. Fl 81 001 56 123 97 66 62 1.4 220320003F01 BROCKTON METROPOLITAN BO CRESENT ST. (PIE 81 001 57 94 89 43 38 1.7 220380002F01 CHELSEA METROPOLITAN BC 81 001 73 149 128 62 57 1.5 220400005F01 CHICOPEE PIONEER VALLEY 81 115 224 187 3 80 73 1.5 220580001F01 FALL RIVER SOUTHEASTERN HA 81 001 70 139 124 51 47 1.6 220620006F01 FITCHBURG CENTRAL MASSACH 655 MAIN ST 81 14 83 57 41? 37? 1.6 220720003F01 GARDNER CENTRAL IIASSACH GARDNER CITY HAL 81 51 103 67 39 35 1.6 220860007F01 HOLYOKE PIONEER VALLEY 1 COURT SQUARE, 81 001 59 163 119 1 59 53 1.6 221000003F01 LAWRENCE MERRIMACK VALLE 1 GARDEN ST 81 001 77 146 117 44 38 1.7 221000005F01 LAWRENCE MERRIMACK VALLE HIGH STREET—STOP 81 35 77 65 39? 36? 1.5 221080006F01 LOWELL MERRIMACK VALLE LOWELL YMCA 81 001 60 124 110 61 57 1.5 221210001F01 MEOFIELD METROPOLITAN GO 81 58 76 72 35 31 1.7 221220002F01 MEDFOPO METROPOLITAN GO FIRE HDQR 100—12 81 12 102 66 44? 39? 1.7 221600006F01 PITTSFIELD BERKSHIRE APCD CORNER OF WEST & 81 43 129 111 58 51 1.7 221680007F01 QUINCY METROPOLITAN 80 HANCOCK ST. 81 001 61 84 73 43 41 1.4 222160011F01 SPRINGFIELD PIONEER VALLEY 59 HOWARD ST 81 001 65 157 141 1 64 59 1.5 222160015F01 SPRINGFIELD PIONEER VALLEY SPRINGFIELD COMM 81 001 57 143 98 53 49 1.5 222240001F01 TAUNTON SOUTHEASTERN MA WASHIt1GTON ST. 81 14 47 44 27? 20? 3.1 222372001F01 WARREN CENTRAL P1ASSACH RIVER ST 81 45 78 67 32 28 1.7 222475003F01 WEST SPRINGFIELD PIONEER VALLEY VAN DEENE ST , 14 81 001 59 140 103 52 47 1.5 222620002F01 WOBURN METROPOLITAN 60 COUNTY COURT MON 81 001 48 5 77 46 43 1.5 222640013F01 WORCESTER CENTRAL MASSACH 81 001 56 161 147 1 53 47 1.7 222640016F01 WORCESTER CENTRAL tIASSACH 2 WASHINGTON STR 81 001 67 190 156 2 68 61 1.6 222640018F01 WORCESTER CENTRAL MASSACH GROVE STREET 81 001 55 155 122 1 55 49 1.6 ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS CARBON tIONOXIDE (MG/M3) MASSACHUSETTS METHOD: NONDISPERSIVE INFRARED (NOIR) CONTINUOUS, HOURLY VALUES-il, FLAME IONIZATION-21 PEP MAX i-HR OBS> MAX 8-HR OBS> SITE ID LOCATION COUNTY ADDRESS YR ORG *085 1ST 2ND ‘ O 151 2ND 10 tIETH 220240002F01 BOSTON METROPOLITAN BO 590 COt’ThIONWEALTH 81 001 6571 21.9 16.1 13.9 10.0 1 ii 220240021F01 BOSTON METROPOLITAN 80 8RE 1AN ST EAST 8 81 001 73’ 4 11.5 11.5 10.2 7.6 3.1 220240022F01 BOSTON METROPOLITAN BO 600 WASHINGTON S 81 001 6512 21.9 21.9 13.2 12.0 ii ii 222100003F01 SOMERVILLE METROPOLITAN BO TUFTS UNIVERSITY 81 00]. 7207 17.3 15.0 10.1 7.5 11 222160007F01 SPRINGFIELD PIONEER VALLEY 81 001 1084 16.1 13.8 9.8 8.6 ii 222160014F0i SPRINGFIELD PIONEER VALLEY FERNBANK STREET 81 001 7077 13.8 10.4 5.6 5.3 1]. 222640012F01 WORCESTER CENTRAL tIASSACH NEW SALEM & WASH 61 1760 15.0 13.8 6.9 6.6 11 ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SULFUR DIOXIDE (UG/H3) MASSACHUSETTS t1ETHODS HOURLY VALUES WEST—GAEKE COLOPIMETRIC-li, CONDUCTIr!ETRIC-13, COULOMETRIC-14, FLAME PHOTOMETPIC-16, HYDROGEN PEROXIDE NAOH TITRATION-18 , CATALYST FLAME PHOTOMETRIC-19, PULSED FLUORESCENT —20 , SECOND DERIVATIVE SPECTROSCOPY-21, CONDUCTANCE ASARCO-22, ULTRA VIOLET STIMULATED FLUORESCENCE-23,SEQUENTIAL CONDUCTIMETRIC-33 , 24-HOUR GAS BUBBLERS PARAROSANILINE-SULFAMIC ACID-91, PARAROSANILINE SULFAMIC ACID TEMPERATURE CONTROLLED-97 REP MAX 24-HR OBS> MAX 3—HR 055> MAX 1-HR APIT SITE ID LOCATION COUNTY ADDRESS YR ORG *OBS 1ST 2ND 385 1ST 2ND 1300 1ST 2ND MEAN MTh 220240002F01 BOSTON METROPOLITAN BO 590 COMMONWEALTH 81 001 7883 202 180 342 316 435 364 51 14 220240015F01 BOSTON METROPOLITAN GO KNEELAND STREET 81 001 8139 189 176 297 275 341 325 41 14 220240021F01 BOSTON METROPOLITAN 80 EREttAN ST EAST B 81 001 7998 126 118 215 203 293 270 38 14 220240023F01 BOSTON METROPOLITAN BO SAVIN HILL YACHT 81 031 6389 179 179 287 272 383 307 26? 14 220400005F01 CHICOPEE PIONEER VALLEY 81 001 7168 163 145 270 253 322 314 28 14 220580004F01 FALL RIVER SOUTHEASTERN MA GLOBE STREET 81 001 7643 193 185 468 441 739 534 27 14 220620003F01 FITCHBURG CENTRAL MASSACH TRAILER SUMMER S 81 001 8224 137 125 224 199 254 249 14 20 221000005F01 LAWRENCE MERRIMACK VALLE HIGH STREET-STOR 81 001 7217 121 104 189 176 257 249 26 14 221080006F01 LOWELL MERRIMACK VALLE LOWELL YMCA 81 001 3342 68 65 114 110 139 139 17? 14 221080007F01 LOWELL MERRIMACK VALLE OLD CITY HALL 81 001 3721 118 115 274 211 330 257 28? 20 221210001F01 MEOFIELD METROPOLITAN GO 81 001 7400 84 81 201 175 236 236 13 14 221800005F01 PITTSFIELD BERKSHIRE APCD PITTSFIELD INCIN 81 001 7460 187 153 273 258 346 296 21 14 222100003F01 SOMERVILLE METROPOLITAN BO TUFTS UNIVERSITY 81 001 6699 192 155 262 257 301 301 30 14 222160009F01 SPRINGFIELD PIONEER VALLEY SUBSTATION LONGII 81 001 5425 165 132 358 332 524 472 28? 14 222160014F01 SPRINGFIELD PIONEER VALLEY FEPNBANK STREET 81 001 7335 109 81 149 148 314 163 20 14 222160015F01 SPRINGFIELD PIONEER VALLEY SPRINGFIELD COMM 81 001 7842 179 157 258 253 445 288 27 14 222360005F01 WATERTOWN METROPOLITAN 80 VICTORY FIELD 81 001 4217 92 91 248 173 293 275 23? 14 222380005F01 WATERTOWN METROPOLITAN BO VICTORY FIELD 81 001 2662 155 124 227 215 322 280 34? 20 222640017F01 WORCESTER CENTRAL MASSACH CENTRAL AND SUtIM 81 00]. 7360 145 139 238 232 278 272 26 14 222640019F01 WORCESTER CENTRAL MASSACH DPW YARD BELMONT 81 1391 74 64 144 118 157 157 26? 14 ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS NITROGEN DIOXIDE (UG/M3) MASSACHUSETTS METHODS: HOURLY VALUES COLORIMETRIC-LYSHKOW-ll, COLORIMETRIC-GRIESS- SALTZMAPI-12, COULONETRIC-13, CUEMILUMINESCENCE-14, 24-HOUR GAS BUBBLERS NASH SODIUM ARSENITE ORIFICE-84, NASH SODIUM ARSENITE FRIT-94, TEA IIETHOD-95, TGS tIETHOO-96 REP MAX 1—HR MAX 24-HR ARIT SITE ID LOCATION COUNTY ADDRESS YR ORG *OBS 1ST 2ND 151 2ND MEAN METH 81 596 188 160 65? 11 81 5947 376 367 77? 14 81 001 7323 214 207 56 14 81 001 5449 201 197 49? 14 61 453 94 88 26? 11 81 3753 291 282 65? 14 81 680 188 179 53? 11 81 1166 263 244 55? 14 81 3128 301 235 31? 14 220240002F01 BOSTON 220240002F01 BOSTON 220240021F01 BOSTON 222100003F01 SOMERVILLE 222160014F01 SPRINGFIELD 222160014F01 SPRINSFIELD 222640012F01 WORCESTER 222640012F01 WORCESTER 222640019F01 WORCESTER N) -J METROPOLITAN BO 590 COMMONWEALTH METROPOLITAN BO 590 COFINOUWEALTH METROPOLITAN BO EREMAN ST EAST B METROPOLITAN ED TUFTS UNIVERSITY PIONEER VALLEY FERNBANK STREET PIONEER VALLEY FERNEANK STREET CENTRAL MASSACH NEW SALEM & WASH CENTRAL MASSACH NEW SALEM & WASH CENTRAL MASSACH OPW YARD BELMONT ? INDICATES THAT THE IIEAN DOES NOT SATISFY SIJIItIARI CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS OZONE (PARTS PER MILLION) MASSACHUSETTS METhODS: HOURLY VALUES CHEt1ILUt1INESCENCE-11 ULTRA VIOLET DASIBI CORPORATION-14, CHE,IILU1IINESCENCE RHODAMINE B DYE-iS REP DAILY MAX 1-HR VALS > .125 NBR VALID P1 1 55 DAYS SITE ID LOCATION COUNTY ADDRESS YR ORG *085 1ST 2ND 3RD PlEAS EST* DAILY MAX ASS < STD ME 220030002F01 AGAWAP1 PIONEER VALLEY ROUTE 75-1615 SU 81 001 3975 .195 .157 .157 7 15.3 166 3 11 220120003F01 ATTLE8ORO SOUTHEASTERN MA 81 001 4574 .125 .121 .120 1 1.9 191 1 11 220240021F01 BOSTON METROPOLITAN 80 BREMAN ST EAST B 81 001 4332 .090 .037 .060 0 0.0 178 1 11 220240021F01 BOSTON METROPOLITAN 80 BREtIAtI ST EAST B 81 001 3379 .115 .095 .093 0 0.0 139 6 14 220372001F01 CHARLTON CENTRAL MASSACH OFF MUGGET HILL 81 001 4596 .160 .130 .110 2 3.8 191 2 11 220535001F01 EASTON SOUTHEASTERN MA POST OFFICE N EA 81 001 465]. .137 .130 .110 2 3.7 196 4 11 220730001F01 GEORGETOWN MERRIMACK VALLE GEORGETOW 1 HIGH 81 1391 .053 .045 .044 0 0.0 59 0 11 220795001F01 HAMILTON METROPOLITAN 80 SAGAPIORE HILL AF 81 001 4393 .134 .132 .124 2 4.0 133 1 11 221000005F01 LAWRENCE MERRIMACK VALLE HIGH STREET-STOR 81 001 4592 .118 .102 .098 0 0.0 192 2 14 221210001F01 MEDFIELD METROPOLITAN 60 81 001 4416 .117 .108 .107 0 0.0 135 4 1.1 221800005F01 PITTSFIELD BERKSHIRE APCD PITTSFIELD INCIN 81 001 2425 .110 .107 .100 0 0.0 99 2 11 222160014F01 SPRINGFIELD PIONEER VALLEY FEPNBANK STREET 81 001 1993 .080 .050 .047 0 0.0 82 2 11 222160014F01 SPRINGFIELD PIONEER VALLEY FERNBANK STREET 81. 001 5258 .165 .143 .137 4 6.5 221 6 14 222196001F01 SUDBURY METROPOLITAN 80 GREAT MEADOWS NW 81 001 3039 .112 .112 .098 0 0.0 123 2 11 222360001F01 WARE PIONEER VALLEY WARE HIGH SCHOOL 81 001 3909 .170 .165 .162 4 8.9 163 1 ii 222640015F01 WORCESTER CENTRAL MASSACH WORCESTER AIRPOR 81 4009 .139 .130 .123 2 4.4 163 6 11 222640019F01 WORCESTER CENTRAL tIASSACH DPW YARD BELMONT 81 001 611 .060 .045 .040 0 0.0 26 0 11 222640019F01 WORCESTER CENTRAL MASSACH OPW YARD BELMONT 81. 001 2879 .125 .100 .095 1 3.0 121 4 14 *Based on 365 days. As the ozone season in Region I is approximately 200 days, these numbers will overestimate the “Vals> .125 Est”. ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SUSPENDED PARTICULATE MATTER (UG/113) NEW HAMPSHIRE METhOD: GRAVIMETRIC, 24-HOUR HI-VOLUME FILTER SANPLE-91 REP MAX 24-HR 085> 055> ARIT SITE ID LOCATION COUNTY ADDRESS YR ORG ;OBS 151 2ND 260 150 MEAN MEAN 850 300040001F01 BERLIN COOS Co SULLIVAN STREET 81 001 59 165 148 1 82 75 1.5 300040014F05 BERLIN COOS CO LANCASTER ST. 81 56 544 259 1 17 137 116 1.8 300100002F01 CLAREMONT SULLIVAN CO 5 SCHOOL STREET 81 001 57 137 106 58 54 1.5 300120003F01 CONCORD MERRIMACK CO STATE HOUSE ANNE 81 001 60 191 125 1 49 41 2.1 300160001F01 DOVER STRAFFORD CO CENTRAL AVE 81 001 60 149 139 55 51 1.5 300200003F01 EXETER ROCKINGHAM CO INDIAN HEAD NAIl 81 9 69 67 50? 46? 1.5 300340001F01 KEENE CHESHIRE CO 3 WASHINGTON ST 81 001 49 168 138 1 63? 58? 1.5 300340006F01 KEENE CHESHIRE CO CYPRESS ST. PARK 81 001 25 89 83 54? 50? 1.5 300360002F01 LACONIA BELKNAP CO BEACON STREET 81 001 61 176 120 1 52 46 1.6 300380001F01 LEBANON GRAFTON CO SOUTH PARK SI 81 9 107 107 70? 61? 1.8 300420008F01 MANCHESTER HILISDOPOUGH CO HOTRE DAME AVE 81 001 57 199 136 1 55 50 1.5 300420009F05 MANCHESTER HILLSBOROUGH CO MERRIMACK ST. 81 37 252 120 1 67? 60? 1.5 300420011F01 MANCHESTER HILISBOROUGH CO FRANKLIN ST 81 001 58 224 117 1 52 47 1.5 300420011F09 MANCHESTER HILLSBOROUGH CO MANCHESTER HEALT 81 001 59 241 133 1 55 50 1.6 300420014F01 MANCHESTER HILLSBOROUGH CO GOFFS FALLS ROAD 81 001 44 103 67 36? 34? 1.5 300480007F01 NASHUA HILLSBOROUGH CO MAIN STREET 81 001 55 134 105 55 52 1.5 300460007F09 NASHUA HILLSBOROUGH CO CITY HALL 81 001 57 123 102 55 51 1.5 300512003F01 NORTHUMBERLAND COOS CO 81 001 56 200 161 2 53 45 1.7 300512005FO1 NORTHUMBERLAND COOS CO STATE ST. 81 001 51 83 79 42 39 1.4 300512006F05 NORTHUMBERLAND COOS CO GROVETON MOBILE 81 56 116 96 42 38 1.6 300520002F05 PEMBROKE MERRIMACK CO 3 DONALD AVENUE 81 41 120 82 43? 39? 1.5 300536001F01 PLYMOUTH GRAFTON CO PLYMOUTH STATE C 81 8 88 67 47? 42? 1.7 300540006F01 PORTSMOUTH ROCKINGHAM CO COURT STREET 81 001 61 147 139 51 47 1.5 300540007F01 PORTSMOUTH ROCKINSHAM CO NATL GUARD ARMO 81 001 54 88 70 38 35 1.5 300560003F01 ROCHESTER STRAFFORD CO HANSEN ST 81 001 58 160 84 1 49 46 1.5 300690001F03 WINCHESTER CHESHIRE CO HIGH SCHOOL WINC 81 001 48 70 69 34 31 1.5 ? INDICATES ThAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS CARBON MONOXIDE (MG/M3) NEW HAMPSHIRE METHOD: HONDISPERSIVE INFRARED (HOIR) CONTINUOUS, HOURLY VALUES-il, FLAME IOHIZATIOH-21 PEP MAX i-HR CBS> MAX 8-HR CBS> SITE ID LOCATION COUNTY ADDRESS YR ORG *OBS 1ST 2ND 40 1ST 2ND 10 METh 300340001F05 KEEHE CHESHIRE Co CITY HALL 81 2843 16.6 15.6 12.1 9.7 1 11 300420013F05 MANCHESTER HILLSDOROUSH CO BRIDGE & ELM 515 81 8667 19.6 16.7 11.6 10.4 1 11 300480008F05 NASHUA HILLSBOROUGH CO MAIN & FRANKLIN 81 7655 37.3 31.7 21.0 18.8 57 11 ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SULFUR DIOXIDE (UG/M3) NEW HAMPSHIRE METHODS: HOURLY VALUES WEST-GAEKE COLORItIETRIC-li, CONDUCTIMETRIC—13 , COULOMETRIC-14, FLAME PHOTOMETRIC—16, HYDROGEN PEROXIDE NAOH TITRATIOH-18, CATALYST FLAME PHOTOMETRIC-19, PULSED FLUORESCENT-20, SECOND DERIVATIVE SPECTROSCOPY-21, CONDUCTANCE ASARCO-22, ULTRA VIOLET STIMULATED FLUORESCEMCE-23,SEQUENTIAL CONDUCTIMETRIC—33 , 24-HOUR GAS BUBBLERS PARAROSANILINE-SULFAMIC ACID-91, PARAROSANILINE SULFAMIC ACID TEMPERATURE CONTROLLEO-97 REP MAX 24-HR 085> MAX 3-HR OBS> MAX 1-HR ARIT SITE ID LOCATION COUNTY ADDRESS YR ORG flOBS 1ST 2ND 365 1ST 2ND 1300 1ST 2ND MEAN NIH 300040011F01 BERLIN COOS CO ADJ TO SUSAN ST 81 001 8434 227 222 485 431 540 514 28 23 300040014F01 BERLIN CODS CO LANCASTER ST TRA 81 001 8360 293 215 417 416 506 498 30 23 300340001F01 KEENE CHESHIRE CO 3 WASHINSTON ST 81 001 4631 141 139 263 262 320 266 42? 23 300340006F01 KEENE CHESHIRE CO CYPRESS ST. PARK 81 001 1354 151 149 296 288 320 320 45? 20 300340006F01 KEENE CHESHIRE CO CYPRESS ST. PARK 81 001 1043 65 64 99 88 110 102 35? 23 300420012F01 MANCHESTER HILLSBOROUGH CO MANCHESTER BANK 81 001 6334 122 119 312 250 435 354 34? 20 300420012F01 MANCHESTER HILLSBOROUGH CO MANCHESTER BANK 81 001 476 214 169 491 382 624 493 92? 23 300480005F01 NASHUA HILLSBOROUGH CD 18 MULBERRY ST 81 2102 138 117 220 211 235 236 50? 20 300512006F05 NORTHUMBERLAND COOS CO GROVETON MOBILE 81 8496 337 298 588 585 697 673 40 20 300520002F05 PEMBROKE MERRIMACK CO 3 DONALD AVENUE 81 4391 381 330 1 1064 810 1318 933 42? 20 300520002F05 PEMBROKE MERRIMACK CO 3 DONALD AVENUE 81 2089 231 107 712 537 833 812 18? 23 300540009F01 PORTSMOUTH ROCKINGHAM CO VAUGHAN ST 81 001 8108 89 78 269 198 328 283 17 23 ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS OZONE (PARTS PER MILLION) HEW HAMPSHIRE METHODS: HOURLY VALUES CHEMILUPIINESCENCE-li, ULTRA VIOLET DASIBI CORPORATION-14, CHEMILIJMINESCENCE RHODAtIINE B DYE-15 REP DAILY MAX 1-HR VALS > .125 NBR VALID MISS DAYS SITE ID LOCATION COUNTY ADDRESS YR ORG *055 1ST 2ND 3RD MEAS EST* DAILY MAX ASS < STD ME 300040014F01 BERLIN COOS CO LANCASTER ST TRA 81 001 4145 .097 .094 .092 0 0.0 176 1 11 300340006F01 KEEHE CHESHIRE CO CYPRESS ST. PARK 51 001 1322 .131 .099 .081 1 6.7 54 2 11 300420012F01 MANCHESTER HILLSBOROUGH CO MANCHESTER BANK 81 001 4356 .134 .134 .102 2 4.0 182 1. 11 300480005F01 NASHUA HILLSBOROUCH CO 18 MULBERRY 51 81 001 3290 .106 .087 .083 0 0.0 136 1 1]. 300540009F01 PORTSMOUTH ROCKINGHAM CO VAUGHAN ST 81 001 7562 .144 .133 .112 2 2.3 313 2 11 *Based on 365 days. As the ozone season in Region I is approximately 200 days, these numbers will overestimate the “Vals> .125 Est”. ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SUSPENDED PARTICULATE MATTER (UG/M3) RHODE ISLAND METHOD: GRAVIMETRIC, 24-HOUR HI-VOLUME FILTER SAMPLE-91 1 .. ) 2ND 260 150 MEAN MEAN GSO SITE ID LOCATION COUNTY ADDRESS YR ORG tOBS 410100003F01 CRANSTON PROVIDENCE CO CRANSTON FIRE DE 81 001 60 164 134 55 1 53 53? 48 49? 1.5 1.6 410120007F01 EAST PROVIDENCE PROVIDENCE CO WILSON SCHOCL 81 001 3 138 1 53 48 1.5 410120006F01 EAST PROVIDENCE PROVIDENCE CO E. PROV. FIRE ST 81 001 57 108 49 45 1.5 410120009F01 EAST PROVIDENCE PROVIDENCE CO MOBIL OIL 61 56 140 39 29? 28? 1.3 410140002F03 KENT CO KENT CO UNIV OF RHODE IS 8]. 001 7 55 25 23 1.6 410140002F05 KENT CO KENT CO W ALTON JONES CA 81 001 57 64 39 37 1.4 410180001F01 NEWPORT NEWPORT CO NEWPORT CITY HAL 81 001 54 30? 28? 1.5 410230003F01 NORTH KINGSTOWN WASHINGTON CO QUONSET POINT 81 26 69 114 1 52 48 1.5 410280004F01 PAWTUCKET PROVIDENCE CO PAWTUCKET CEO 81 001 58 143 1 54 49 1.5 410300006F01 PROVIDENCE PROVIDENCE CO 187 WESTMINSTER 8]. 001 117 105 1 53 49 1.5 410300011F01 PROVIDENCE PROVIDENCE CO PARKING LOT STAT 81 001 74 48 44 1.5 410300012F01 PROVIDENCE PROVIDENCE CO ROCKFELLAR LIBRA 81 001 117 146 61 57 1.4 410300017F01 PROVIDENCE PROVIDENCE CO BONANZA BUS TER 81 001 55 134 142 1 56 51 1.6 410400002F01 WESTERLY WASHINGTON CO WESTERLY POLICE 81 001 57 48 1.4 ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS LEAD (IJG/M3) RHODE ISLAND METHODS: JARRELL-ASH EMISSION SPECTRA ICAP-90, EMISSION S ’ECT MUFFLE FUPNACE-91, ATOMIC ABSORPTION-92, DITNIOZONE METHOD-93 EMISSION SPECT (LOW TEMP ASN)-95, X-RAY FLLJORESCENCE-96 REP METH QTRLY ARITH MEAN MEANS> MAX VALUES SITE ID LOCATION COUNTY ADDRESS YR ORG *OBS 1ST 2ND 3RD ‘ TH 1.5 1ST 2 O 410100003F01 CRANSTON PROVIDENCE CO CRANSTON FIRE DE 81 60 92 .43 .29 .29 .44 1.33 1.12 410140002F05 KENT CO KENT CO W ALTON JONES CA 61 58 92 .11 .05 .05 .07 .27 .25 410300006F01 PROVIDENCE PROVIDENCE CO 167 WESTMINSTER 81 59 92 .50 .33 .36 .51 1.39 1.24 410300017A01 PROVIDENCE PROVIDENCE CO PROVIDENCE 81 4 90 .21? .34 .27 ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS CARBON MONOXIDE (MG/M3) RHODE ISLAND METHOD: NONOISPERSIVE INFRARED (NDIR) CONTINUOUS, HOURLY VALUES-il, FLAME IOHIZATION-21 REP MAX i-HR CBS> MAX 8-HR CBS> SITE ID LOCATION COUNTY ADDRESS YR OPG $OBS 1ST 2ND ‘+0 1ST 2ND 10 METH 4lO300009FOl PROVIDENCE PROVIDENCE CD 76 DURRENCE STRE 81 001 79’48 18.4 18.4 12.6 11.1 4 11 4iO300012F0l PROVIDENCE PROVIDENCE Co ROCKFELLAR LIBRA 81 001 8613 10.6 8.0 5.9 5.5 11 ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SULFUR DIOXIDE UG/M3) RHODE ISLAND METHODS: HOURLY VALUES WEST-GAEKE COLORIMETRIC-li, CONDUCTItIETRIC-13, COULOMETRIC-14 , FLAME PHOTONETRIC-16, HYDROGEN PEROXIDE NAOH TITRATIOH-18 , CATALYST FLAME PHOTO7IETRIC-19, PULSED FLUORESCENT-20, SECOND DERIVATIVE SPECTROSCOPY-21 , CONDUCTANCE ASARCO-22, ULTRA VIOLET STIMULATED FLUORESCENCE-23,SEQUEHTIAL CONDUCTIMETPIC-33, 24-HOUR GAS BUBBLERS PARAROSANILINE-SULFAMIC ACID -91, PARAROSANILINE SULFAtIIC ACID TEMPERATURE CONTROLLED-97 PEP MAX 24-HR CBS> MAX 3-HR CBS> MAX 1-HR ARIT ADDRESS YR ORG O8S 151 2ND 365 1ST 2ND 1300 1ST 2ND 1EAH MTH 81 001 7703 151 125 220 207 353 236 22 20 81 001 7900 214 189 356 345 439 412 40 20 81 001 8343 273 189 432 362 465 419 32 20 81 001 7501 230 203 493 395 576 511 35 23 SITE ID LOCATION COUNTY 410120009F01 EAST PROVIDENCE 410300007F01 PROVIDENCE 410300011F01 PROVIDENCE 410300012F01 PROVIDENCE PROVIDENCE CO PROVIDENCE CO PROVIDENCE CO PROVIDENCE CO MOBIL OIL DYER STREET PARKING LOT STAT ROCKFELLAR LIBRA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS NITROGEN DIOXIDE (UG/M3) RHODE ISLAND METHODS: HOURLY VALUES COLORIMETRIC-LYSHKOW-11, COLORIMETRIC_GRIESS-SALTZMAN-12, COULOHETRIC-].3, CHEMILUMINESCEUCE-14, 24-HOUR GAS BUBBLERS NASH SODIUM ARSENITE ORIFICE-84, NASN SODIUM ARSENITE FRIT—94, TEA METHOD-OS, TGS FIETHOD-96 PEP MAX 1—HR MAX 24—HR ARIT SITE ID LOCATION COUNTY ADDRESS YR ORG *OBS 1ST 2ND 151 2 D MEAN METH 410300007F01 PROVIDENCE PROVIDENCE CO DYER STREET 81 001 2849 179 169 66? 14 — 410300018F05 PROVIDENCE PROVIDENCE CO LADO OBSERVATORY 81 1744 188 183 37? 14 —4 ? INDICATES THAT THE MEAN DOES NOT SATISFY SUTIIIARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS OZONE (PARTS PER MILLION) RHODE ISLAND METHODS: HOURLY VALUES CHEtIILUMINESCENCE-il, ULTRA VIOLET DASIBI CORPORATION-14, CHEMILUMINESCENCE RHODAMIHE B DYE-15 REP DAILY MAX 1-HR VALS > .125 NBR VALID MISS DAYS SITE ID LOCATION COUNTY ADDRESS YR OR ItOBS 1ST 2ND 3RD MEAS EST* DAILY MAX ASS < STO ME 410140002F03 KENT CO KENT CO UNIV OF RHODE IS 81 8234 .210 .150 .150 9 9.5 346 1 11 410300012F01 PROVIDENCE PROVIDENCE CO ROCKFELLAR LIBRA 81 001 7801 .152 .128 .125 3 3.3 321 9 11 *Based on 365 days. As the ozone season in Region I is approximately 200 days, these numbers will overestimate the “VaIs> .125 Est”. ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SUSPENDED PARTICULATE MATTER (UG/t13) VERMONT METHOD: GRAVItIETRIC, 24-HOUR HI-VOLUME FILTER SAMPLE-91 REP MAX 24-HR OBS> 05$> ARIT GEO SITE ID LOCATION COUNTY ADDRESS YR ORG *08S 1ST 2ND 260 150 MEAN MEAN GSD 470040003F01 BARRE WASHINGTON Co so. SEMINARY ST. 81 001 54 176 156 3 70 63 1.6 470080003F01 BENNINGTON BENNINGTON Co ARMORY 81 001. 52 114 98 46 41 1.6 470120001F01 BRATTLEBORO WINOHAM CO FIRE STATION 81 001 56 137 113 60 56 1.4 470140005F01 BURLINGTON CHITTENDEN CO COURT HOUSE 81 001 28 101 99 55? 50? 1.6 470360001F03 ORANGE CO ORANGE CO RANDOLPH 81 44 67 64 33 30 1.6 470400004F01 RUTLAND RUTLAND CO WALES ST. 81 001 47 162 146 1 69 62 1.6 ‘ .D ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS LEAD (UG/M3) VERMONT tIEThODS: .JARRELL-ASH EMISSION SPECTRA ICAP-90, EMISSION SPECT MUFFLE FLJPNACE-91, ATOMIC ABSORPTION-92, DIThIOZONE METHOO—93 EMISSION SPECT (LOW TEMP ASH)-95, X-RAY FLUORESCENCE-96 REP METR QTRLY ARITH MEAN MEANS> MAX VALUES SITE ID LOCATION COUNTY ADDRESS YR ORG OBS 1ST 2ND 3RD 4Th 1.5 1ST 2ND 470360001F03 ORANGE CO ORANGE CO RANDOLPH 81 4 90 .13? .15 .15 0 ? INDICATES ThAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS CARBON MONOXIDE (MG/M3) VERMONT METHOD: NONDISPERSIVE INFRARED (t4DIR CONTINUOUS, HOURLY VALUES- il, FLAME IONIZATIOH-21 REP MAX 1-HR OBS> MAX 8-HR 085> SITE ID LOCATION COUNTY ADDRESS YR ORG t OBS 1ST 2ND 40 1ST 2ND 10 METH 470140003F01 BURLINGTON CHITTENDEN CO TRAILER 82 5 WIN 81 001 7640 11.5 10.5 6.3 6.1 11 I - . ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS SULFUR DIOXIDE tUG/M3) VERMONT METHODS: HOURLY VALUES WEST-GAEKE COLORItIETRIC-il, CONDUCTIMETRIC-13, COULONETPIC-14, FLAME PHOTONETRIC-16, HYDROGEN PEROXIDE NAOH TITRATION-iB, CATALYST FLAME PHOTOMETRIC-19, PULSED FLUORESCENT-20, SECOND DERIVATIVE SPECTROSCOPY—21, CONDUCTANCE ASARCO-22, ULTRA VIOLET STIMULATED FLUORESCENCE-23,SEQUENTIAL COHDUCTIIIETPIC-33, 24-HOUR GAS BUBBLERS PARAROSANILINE-SULFAMIC ACID-91, PARAROSANILINE SULFAIIIC ACID TEMPERATURE CONTROLLED-97 REP MAX 24-HP OBS> MAX 3-HP OBS> MAX 1-HR ARIT SITE ID LOCATION COUNTY ADDRESS YR ORG *0G B 1ST 2ND 365 1ST 2ND 1300 151 2ND MEAN MTH 470040003F01 BARRE WASHINGTON CO SD. SEMINARY ST. 81 001 5215 89 73 161 152 197 170 21? 20 470080001F01 BENNINGTON BENNINGTON CO PLEASANT ST., BE 81 001 5168 107 96 144 143 178 147 21? 20 470140003F01 BURLINGTON CHITTEI4DEN CO TRAILER 82 S WIN 81 001 7623 136 120 340 280 417 377 15 20 470400002F01 RUTLAND RUTLAND CO 9 MERCHANTS ROW, 81 001 5084 127 121 210 209 252 238 27? 20 t.J ? INDICATES THAT THE MEAN DOES NOT SATISFY SUMMARY CRITERIA ------- TABLE 3 (Continued) AMBIENT AIR QUALITY DATA AND STATIONS THAT EXCEED NATIONAL AIR QUALITY STANDARDS OZONE (PARTS PER MILLION) VERMONT METHODS: HOURLY VALUES CHEMILUMINESCENCE-li, ULTRA VIOLET DASIBI CORPORATION-14, CHEMILUNINESCENCE RHODAMINE B DYE-iS PEP DAILY MAX 1-HR VALS > .125 NBR VALID HISS DAYS SITE ID LOCATION COUNTY ADDRESS YR ORG *055 1ST 2ND 3RD MEAS ES1* DAILY MAX ASS < STD ME 470140006F01 BURLINGTON CHITTENDEN Co TRAILER UVM 81 001 3795 .094 .087 .084 0 0.0 154 4 14 470265101A08 GREEN MOUNTAIN NAT. ADDISON CO 81 7336 .105 .085 .085 0 0.0 302 3 1]. 470600001F05 WINDSOR WINDSOR CO TREATMENT PLANT 81 4064 .093 .091 .080 0 0.0 167 6 14 *Based on 365 days. As the ozone season in Region I is approximately 200 days, these numbers will overestimate the “Vals ..l25 Est”. ------- TABLE 4 NUMBER OF STATIONS VIOLATING NATIONAL AMBIENT AIR QUALITY STANDARDS* BY AIR QUALITY CONTROL REGION Particulates CO SO 2 NO 2 03 24-hour 24-hour Annual Annual Secondary 3 Primary Annual G 4 Hour 8-hour 24-hour Average 3 Average Hour AQCR • State 150 ugJm 260 ug/m 75 ugJm 40 mg/rn 10 mgjm 365 ug/m 80 ug/m 100 ug/m 0.12 ppm Eastern Connecticut 041 C I 0/3 0/3 0/3 - - - - - 2/2 Hartford-New Haven- 042 CI 5/23 0/23 0/23 0/3 0/3 0/4 0/4 0/4 5/5 Springfield Hartford-New Haven- 042 MA 1/5 0/5 0/5 0/2 0/2 0/4 0/4 0/2 3/4 Springfield New Jersey-New York- 043 CT 0/14 0/14 0/14 0/2 1/2 0/6 0/6 0/3 5/5 Connecticut Northwestern ConnectIcut 044 CI - Androscoggln Valley 107 ME 5/27 1/27 0/27 0/16 0/16 0/1 Androscoggln Valley 107 NH 2/5 0/5 1/5 0/3 0/3 - 0/1 Aroostock 108 ME 3/8 3/8 0/8 - - 0/3 0/3 0/1 Down East 109 ME. 12/33 1/33 0/33 0/1 0/1 1/10 0/10 - 0/3 Metropolitan Portland 110 ME 2/17 0/17 0/17 - 0/6 0/6 0/1 1/2 Northwest Maine 111 ME 0/3 0/3 0/3 *IJnless the second highest average exceeds the NAAQS, there is no violation. x/y: x Is the number of stations in violation. y is the total number of stations reporting data for time period. - This pollutant is not monitored In the AQCR (state portion). ------- TABLE 4 (Continued) NUMBER OF STATIONS VIOLATING NATIONAL AMBIENT AIR QUALITY STANDARDS* BY AIR QUALITY CONTROL REGION Particulates CO SO 2 NO 2 03 24-hour 24-hour Annual Annual Secondary 3 Primary Annual G 1 Hour 8-hour 24-hour Average 3 Average Hour AQCR AQCR # State 150 ug/m 260 ug/m 75 ug/m 40 mg/rn 10 mg/rn 365 ugJm 80 ug/m 100 ug/m 0.12 ppm Berkshire 11? MA 0/1 0/1 0/1 - - 0/1 0/1 0/1 Central Massachusetts 118 MA 1/6 0/6 0/6 0/1 0/1 0/3 0/3 0/3 2/4 Metropolitan Boston 119 MA 0/8 0/8 0/8 0/4 1/4 0/8 0/8 0/4 1/5 Metropolitan Providence 120 MA 0/4 0/4 0/4 - - 0/1 0/1 - 1/2 Metropolitan Providence 120 RI 0/15 0/15 0/15 0/2 1/2 0/4 0/4 0/2 2/2 Merrimack Valley 121 MA 0/3 0/3 0/3 0/4 0/4 - 0/2 Merrimack Valley 121 NH 0/19 0/19 0/19 0/3 1/3 0/9 0/9 2/4 Central New Hampshire 149 NH 0/2 0/2 0/2 - Champlain Valley 159 VT 0/2 0/2 0/2 0/1 0/1 0/2 0/2 0/1 Vermont 21 VT 1/4 0/4 0/4 - - 0/2 0/2 0/1 Ui *Unless the second highest average exceeds the NAAQS, there is no violation. x/y: x is the number of stations in violation. y is the total number of stations reporting data for time period. - This pollutant is not monitored in the AQCR (state portion). ------- REGION I AIR QUALITY CONTROL REGIONS 1 221 .1 149 041 042 043 044 107 108 109 110 111 117 118 119 120 121 149 159 Figure 1 - Eastern CT - Hartford-New Haven- Springfield - NJ-NY-CT - Northwestern CT - Androscoggin Valley - Aroostook - Down East - Met. Portland - Northwest ME - Berkshire - Central MA - Met. Boston - Met. Providence - Merrimack Valley - Central NH - Champlain Valley - Vermont 108 111 I- S I.-’ L —I 109 107 1 121 46 ------- TABLE 5 1981 (3ANUARY-DECEMBER) TOTAL SUSPENDED PARTICULATES (ug/m 3 ) Stations Where Readings Exceed Episode Levels Highest Level Standard State AQCR City/Address Site No. Month/Day (Time) Duration Reached Emergency None 24-hour a erage = 875 ug/m Warning ME 109 Lincoln! 20 0640 004 302 11/26 (00-23) 24 hours 858 24-hour aj’erage = Katahdin Avenue Field 625 ug/m 108 Presque Islet 20 0980 002 FOl 03/26 (00-23) 24 hours 712 PIRO, 634 Main Street Alert ME 109 Lincoln! 20 0640 004 302 09/06 (00-23) 24 hours 527 24-hour a yerage = Katahdin Avenue Field 375 ug/m 109 Lincoln! 20 0640 004 302 11/25 (00-23) 24 hours 553 Katahdin Avenue Field 108 Madawaska/ 20 0720 003 302 04/08 (00-23) 24 hours 462 High School 108 Presque Isle! 20 0980 003 FOl 04/28 (00-23) 24 hours 393 High School 108 Presque Isle! 20 0980 005 F05 03/26 (00-23) 24 hours 568 NEL, 436 Main Street NH 107 Berlin! 30 0040 014 F05 08/14 (00-23) 24 hours 544 Lancaster Street ------- Standard Emergency 8-hour av 3 erage = 46 mg/rn Warning 8-hour average = 34 mg/rn 3 Alert 8-hour average = 17 mg/rn 3 TABLE 5 (Continued) 1981 (IANUARY-DECEMBER) CARBON MONOXIDE (mg/rn 3 ) Stations Where Readings Exceed Episode Levels State AQCR City/Address None None Month/Day (Time) Highest Level Duration Reached Site No . 07 1080 020 FOl 07 1080 020 FOl 30 0480 008 F05 30 0480 008 F05 30 0480 008 F05 CT 043 Stamford/ Ferguson Library 043 Starnford/ Ferguson Library NH 121 Nashua! 33 Main Street 121 Nashua! 33 Main Street 121 Nashua! 33 Main Street 01/22 (07-10) 02/04 (11-12) 01/22 (11-17) 02/17 (13-17) 02/18 (14) 4 hours 2 hours 7 hours 5 hours 1 hour 18.2 17.7 21.0 18.8 17.1 ------- TABLE 5 (Continued) 1981 (3ANUARY-DECEMBER) OZONE (ppm) Stations Where Readings Exceed Episode Levels Highest Level Standard State AQCR City/Address Site No. Month/Day (Time) Duration Reached Alert CT 043 Danbury! 07 0175 123 FOl 06/16 (14) 1 hour .274 1-hour average = Osborne Street .204 ppm 043 Greenwich! 07 0330 004 FOl 06/16 (13) 1 hour .244 Bruce Golf Course 041 Groton/ 07 0350 005 FOl 07/13 (15) 1 hour .235 Avery Point 042 Madison! 07 0500 002 F05 07/13 (13) 1 hour .204 Ham monasset State Park 042 New Haven! 07 0700 123 FOl a5,130 (15) 1 hour .208 Trailer 043 Stratford/ 07 1110 007 FOl 07/08 (12) 1 hour .218 Stratford Point RI 120 Kent County! 41 0140 002 F03 07/13 (15) 1 hour .210 University of Rhode Island ------- 1981 PRECISION AND ACCURACY DATA Current Federal Regulations require that, starting in 1981, each state report both precision and accuracy data for all data from National Air Monitoring Sites (NAMS) and at the states’ option for State/Local Monitoring Sites (SLAMS). Tables 6 and 7 list the precision and accuracy data submitted by the six New England states. The data listed in these tables are the upper and lower 95% probability limits in percent difference from a known standard reported as a network average. The accuracy data in Table 7 are only for the lowest reported concentration range. For TSP, the accuracy limits apply only to the flow measurement, and the precision limits are the 95% confidence limits between co- located monitors. From these tables, CO has the lowest probability limits. Except for NO 2 , all the other pollutants reported are, in general, within approximately ÷15%. Although no acceptance criteria have been set by EPA to date, Region I expects this type of performance to be satisfactory. For NO 2 , both of the states reporting data to Region I showed much higher probability limits. Since NO 2 is the most difficult of the criteria pollutants to monitor, EPA would expect higher probability limits. However, these reported accuracy limits appear to be extremely high and demonstrate a need to improve the data quality for this pollutant. 50 ------- TABLE 6 1981 PRECISION DATA FOR NEW ENGLAND ANNUAL AVERAGE PROBABILITY LIMITS IN PERCENT U, I-. TSP 502 CO NO 2 03 CT ME MA NI-I RI VT -9 to +9 -6 to +12 -16 to +16 0 to +15 -7 to +17 -5 to +7 -8 to +5 -6 to +4 -7 to +1! -15 to +10 -11 to +8 -9 to +6 - -7 to +9 - -8 to +5 -5 to +4 - -l9to+14 - -l4to +7 - -16 to +10 -15 to +9 -7 to +7 -8 to +11 -12 to +10 ------- TABLE 7 1981 ACCURACY DATA FOR NEW ENGLAND ANNUAL AVERAGE - PROBABILITY LIMITS FOR THE LOWEST CONCENTRATION REPORTED IN PERCENT VT -3 to +4 -12 to 0 -11 to +3 -5 to +3 U i CT ME MA NH RI TSP -10 to +4 -9 to +7 -7 to +10 -8 to +7 -8 to +6 502 -8 to +11 -5 to +7 -13 to +8 -12 to +6 -9 to +10 CO -6to +9 - +8 NO 2 - -22 to +22 - -41 to +15 03 -14 to +10 - -17 to +11 -4 to +3 -1 to +12 ------- REGION I 1981 AUDIT PROGRAM A total of 202 audits were conducted in the six New England States for TSP, SO 2 , CO, NO 2 , and 03 by both Region I personnel and EPA contractor (RTI) personnel. In general the results were quite good with 168 audits (83%) satisfactory, 19 audits (9%) marginal, and only 15 audits (8%) unsatisfactory. NO 2 had the most unsatisfactory audits (7). This represented 20% of the total number of audits for this pollutant and was expected due to the difficulty in operating NO analyzers. The 1981 precision and accuracy data for NO 2 showed similar results. The TSP (flow) and the CO audits showed excellent results with only one unsatisfactory audit out of the 47 audits performed. Both SO 2 and 03 had more unsatisfactory audits (7) than expected; however, over 94% of the audits performed for these two pollutants were judged to be acceptable. Table 8 summarizes the results of the audit program on a state-by- state basis. 53 ------- TABLE S ‘Audits conducted either by Region I personnel or by an EPA contractor (RTI) coordinated by Region I. 2 Satisfactory audit is defined as an average percent difference less than 6% for TSP; 10% for SO 2 , CO and 03; and 15% for NO 2 . 3 Marginal audit is defined as an average percent difference between 6-10% for TSP; 10-15% for SO 2 , CO and 03; and 15-20% for NO 2 . 4 All audit points greater than 50% were discounted. REGION I PERFORMANCE AUDIT PROGRAM’ - 1981 Pollutant/Parameter CT ME MA NJ-i RI VT TSP Number Number Number of Audits 2 of Satisfactory Au its of Marginal Audits 9 7 1 1 1 0 9 9 0 2 1 1 2 2 0 0 - Number Average Standard of Unsatisfactory A jdits Percent Difference Deviation 4 1 +2.4 6.2 0 ÷5.2 - 0 +1.9 2.9 0 -6.3 - 0 -1.8 - Number of Audits 15 5 29 7 8 3 Number of Satisfactory Audits 11 5 23 6 8 3 Number of Marginal Audits 3 0 5 1 0 0 Number of Unsatisfactory Audits 1 0 1 0 0 0 Average Percent Difference +3.8 +0.8 -3.8 -3.4 +1.8 ÷1.0 Standard Deviation 8.3 2.9 7.4 4.6 5.7 6.2 CO Number of Audits 9 1 7 2 4 1 Number of Satisfactory Audits 9 1 6 2 4 1 Number of Marginal Audits 0 0 1 0 0 0 Number of Unsatisfactory Audits 0 0 0 0 0 0 Average Percent Difference +4.9 -4.5 -4.1 -1.5 +1.6 -1.1 Standard Deviation 4.5 2.7 6.3 1.1 3.1 1.3 2 Number of Audits 12 3 14 0 5 0 Number of Satisfactory Audits 12 2 10 - 2 - Number of Marginal Audits 0 0 1 - 0 Number of Unsatisfactory Audits 0 1 3 - 3 Average Percent Difference -0.5 +14.6 +3.8 - -5.6 Standard Deviation 8.1 9.7 11.9 - 17.2 23 Number of Audits 23 1 24 2 3 1 Number of Satisfactory Audits 18 1 20 2 1 1 Number of Marginal Audits 2 0 2 0 2 0 Number of Unsatisfactory Audits 3 0 2 0 0 0 Average Percent Difference +4.3 +2.0 +4.3 +0. 1 -0.3 -4.2 Standard Deviation 8.3 0.8 6.4 8.2 11.5 1.2 54 ------- TABLE 9 REGION I NONATTAINMENT AREAS AS OF DECEMBER 23, 1980 Date and Magnitude of Last Reported Violation to NAAQS* Connecticut Secondary Standards for TSP AQCR 41 1976 163 ug/m 3 AQCR 42 1981 210 ug/m 3 AQCR 43 1980 160 ug/m 3 AQCR 44 1979 159 ug/m 3 Primary Standards for TSP AQCR 42 1978 80 ug/m (annual geometric mean) AQCR 43 1979 272 ug/m Primary Standards for CO AQCR 42 1980 11.9 mg/m AQCR 43 1981 17.7 mg/rn Primary Standards for 03 AQCR 41 1981 0.151 ppm AQCR 42 1981 0.174 ppm AQCR 43 1981 0.202 ppm AQCR 44 1975 0.190 ppm Maine Secondary Standards for TSP AQCR 107 3 Augusta 1981 226 ug/m 3 Lewiston-Auburn 1981 152 ug/m AQCR 109 3 Baileyville 1981 207 ug/m Primary Standards for TSP AQCR 109 3 Bangor and Brewer 1978 283 ug/m *Except for annual means, all daily values listed are the second highest daily values reported. Only data currently in the EPA system are listed. 55 ------- TABLE 9 (Continued) REGION I NONATTAINMENT AREAS AS OF DECEMBER 23, 1980 Date and Magnitude of Last Reported Violation to NAAQS* Maine (Continued) Primary Standards for CO AQCR 107 3 Lewiston 1979 12.5 mg/rn AQCR 109 Bangor 1978 13.6 mg/rn Primary Standards for SO 2 AQCR 109 3 Millinocket 1980 393 ug/m Primary Standards for 03 AQCR 107 1978 0.165 ppm AQCR 110 1981 0.138 ppm Massachusetts Secondary Standards for TSP Berkshire AQCR 3 Adams 1975 176 ug/m 3 North Adams 1971 160 ug/rn 3 Pittsfield 1979 153 ug/m Central Massachusetts AQCR 3 Worcester 1981 156 ug/m Merrimack Valley AQCR 3 Haverhill 1975 163 ug/m 3 Lawrence 1972 156 ug/m Pioneer Valley AQCR 3 Springfield 1980 185 ug/m Southeastern Massachusetts AQCR 3 Fall River 1975** 188 ug/m * cept for annual means, all daily values listed are the second highest daily values reported. Only data currently in the EPA system are listed. Private monitoring data shows a second maximum of 228 ug/m 3 in 1980. 56 ------- TABLE 9 (Continued) REGION I NONATTAINMENT AREAS AS OF DECEMBER 23, 1980 Date and Magnitude of Last Reported Violation to NAAQS* Massachusetts (Continued) Metropolitan Boston AQCR 3 Cambridge 1974 174 ug/m 3 Danvers 1975 185 ug/m 3 (exceedence only) Framingham 1973 151 ug/m 3 (exceedence only) Lynn 1971 168 ug/rn 3 Marblehead 1975 171 ug/m 3 (exceedence only) Medford 1976 164 ug/m 3 Norwood 1973 235 ug/m 3 (exceedence only) Peabody 1966 176 ug/m 3 Quincy 1975 261 ug/m 3 Revere 1975 171 ug/rn Swampscott No monitoring 3 Waltham 1978 184 ug/m Primary Standards for TSP Central Massachusetts AQCR 3 Worcester 1981 156 ug/m 3 (secondary standard) Worcester 1980 78 ug/rn (annual geometric mean) Primary Standards for CO Central Massachusetts AQCR 3 Worcester 1978 10.5 mg/rn Merrimack Valley AQCR 3 Lowell 1978 11.8 mg/rn Metropolitan Boston AQCR 3 Boston 1981 12.0 mg/rn 3 Cambridge 1978 10.9 mg/rn 3 Medford 1980 12.2 mg/rn 3 Quincy 1977 10.9 mg/rn 3 Waltham 1978 10.6 mg/rn Primary Standards for 03 Statewide 1981 0.165 ppm *Except for annual means, all daily values listed are the second highest daily values reported. Only data currently in the EPA system are listed. 57 ------- TABLE 9 (Continued) REGION I NONATTAINMENT AREAS AS OF DECEMBER 23, 1980 Date and Magnitude of Last Reported Violation to NAAQS* New Hampshire Secondary Standards for TSP Metropolitan Manchester 1980 156 ug/m 3 Primary Standards for TSP Metropolitan Berlin 1981 116 ug/rn 3 (annual geometric mean) Primary Standards for CO Metropolitan Manchester 1980 14. 1 mg/rn Nashua 1981 18.8 mg/rn Primary Standards for SO 2 Berlin 1980 678 ug/m 3 Primary Standards for 03 AQCR 121 1981 0.134 ppm Rhode Island Secondary Standards for TSP Providence 1980 153 ug/m 3 Primary Standards for TSP Providence 1977 84 ug/m 3 (annual geometric mean) Primary Standards for CO Providence 1981 11.1 mg/rn 3 Primary Standards for 03 AQCR 120 1981 0.150 ppm * cept for annual means, all daily values listed are the second highest daily values reported. Only data currently in the EPA system are listed. 58 ------- TABLE 9 (Continued) REGION I NONATTAINMENT AREAS AS OF DECEMBER 23, 1980 Date and Magnitude of Last Reported Violation to NAAQ * Vermont Secondary Standards for TSP Barre 1981 156 ugfm 3 Burlington and adjacent cities and 1980 185 ug/m 3 towns Primary Standards for CO Burlington and adjacent cities and 1976 12.1 mg/rn 3 towns Primary Standards for 03 Addison County 1977 0.140 ppm Chittenden County 1978 0. 126 ppm Windsor County 1977 0.129 ppm *Except for annual means, all daily values listed are the second highest daily values reported. Only data currently in the EPA system are listed. 59 ------- TABLE 10 REGiON I ATTAiNMENT AND UNCLASSIFIED AREAS AS OF DECEMBER 23, 1980 WITH 1981 VIOLATIONS Highest 1981 Reported Violation to NAAQS* Maine o Secondary Standards for TSP - AQCR 107 3 Augusta 226 ug/m 3 Fairfield 164 ug/m 3 Lewiston 152 ug/m Waterville 156 ug/m - AQCR 110 Portland 180 ug/m 3 South Portland 192 ug/m o Primary Standards for TSP - AQCR 107 3 aay 308 ug/m - AQCR 108 Madawaska 314 ug/m 3 Presque Isle 373 ug/m - AQCR 109 3 Lincoln 553 ug/m o Primary Standards for SO 2 - AQCR 109 3 Lincoln 463 ug/m o Primary Standards for 03 - AQCR 110 Cape Elizabeth 0.138 ppm Massachusetts o Secondary Standards for TSP - Pioneer Valley AQCR 3 Chicopee 187 ug/m New Hampshire o Secondary Standards for TSP - AQCR 107 Berlin 259 ug m 3 Northumberland 161 ug/m *Afl daily values listed are the second highest daily values reported. 60 ------- AIR QUALITY TRENDS FOR MA3OR URBAN AREAS IN NEW ENGLAND In evaluating the five-year urban air quality trends throughout New England, a statistical program package, developed by Region 10, was used to help characterize the trends for TSP, CO, and 502 sites. Due to an insufficient data base, these programs were not employed for Pb, O3 and NO 2 . This statistical program segments the data at each site into monthly cells, produces monthly means, deseasonalizes these monthly means by aligning the data for various years (in this case, five years 1977-198 1) for each common month, performs a linear regression on these deseasonalized monthly means, and finally computes two test statistics which indicate the relative significance of any trends identified. To be consistent with the appropriate National Ambient Air Quality Standards (NAAQS), geometric means are used for TSP, while arithmetic means are used for the other pollutants. The results of the analysis are as follows: 1. TSP Figure 2 shows the deseasonalized linear regression line for a selected site in Hartford, Connecticut; Bangor, Maine; Boston, Massachusetts; Providence, Rhode Island; and Manchester, New Hampshire. These sites show typical trends for these urban areas and have sufficient data for the five-year analysis. Of these, Hartford, Bangor, Manchester, and Providence had a decreasing trend - significant at the 92% confidence level. Boston had no significant trend. A total of 54 sites were used in this analysis; and of these, 28 out of 37 sites in Connecticut, 1 out of 1 site in Maine, 3 out of 12 sites in Massachusetts, 2 out of 2 sites in New Hampshire, and 1 out of 1 site in Rhode Island had a highly significant downward trend. It is important to note that none of the sites which were analyzed had a significant upward trend. 2. Pb A regression analysis was not performed, as there was insufficient data. However, in all cases, lead levels have been declining. For example, in Waterbury in 1977, the maximum quarterly average lead level was 2.01 ug/m 3 . In 1981 at this same site, the maximum quarterly average was 0.70 uglm 3 . In Providence, a 61 ------- maximum quarterly average of 1.66 ug/m 3 was measured in 1978. By 1981, the maximum quarterly average at this site was 0.51 uglm 3 . Not all sites showed these dramatic decreases; however, in no case did there appear to be an increase in lead levels. 3. CO Figure 3 shows the deseasonalized linear regression line for selected sites in Bridgeport, Connecticut; Bangor, Maine; Boston, Massachusetts; Providence, Rhode Island; and Burlington, Vermont. In all cases, there was a significant decreasing trend at the 99% confidence level. Other sites in Hartford, Connecticut; New Haven, Connecticut; and Worcester, Massachusetts were analyzed. These sites also showed a significant decreasing trend at this confidence level. No site in New England showed increasing CO levels. This is reflected in reductions of CO violations reported for each site. For example, the site in Bridgeport reported 35 violations in 1977 and zero in 1981. The site in Stamford reported 359 violations in 1978 and only 111 in 1981. Bangor had 23 violations in 1977 and zero in 1981. The Kenmore Square site in Boston went from 143 violations in 1974, to 11 in 1977, and to zero in 1981. The site in Providence went from 47 violations in 1977 to 3 in 1981. ‘ Figure 4 shows the deseasonalized linear regression line for selected sites in Bridgeport, Connecticut; Portland, Maine; Boston, Massachusetts; Fall River, Massachusetts; Providence, Rhode Island; and Burlington, Vermont. These sites show typical trends in 502 levels and had sufficient data for the analysis. Of these sites, Bridgeport, Providence, Burlington, and Portland showed decreasing trends at the 90% confidence level. The site in Fall River was an increasing trend at the 90% confidence level. The site in Boston did not exhibit a significant trend; however, an increasing trend was indicated at the 60% confidence level. The data analysis from other sites showed increasing trends at the 70% confidence level in Hartford, Connecticut, and at the 99% level in Manchester, New Hampshire. Sites in New Haven, Connecticut; Chicoppe, Massachusetts; and Worcester, Massachusetts 62 ------- showed no significant trends. A site in Danbury, Connecticut indicated a decreasing trend. It appears that no general trend statement can be made with regard to SO 2 levels throughout New England. There is insufficient data to perform any type of analysis on the NO 2 data. 6. 23 Given the limited data base for ozone (only summer monitoring), the deseasonalized linear regression line was of little value. Figure 5 shows a plot of the number of days over the standard for selected sites in Bridgeport, Connecticut; Portland, Maine; Boston and Springfield, Massachusetts; and Providence, Rhode Island. Since most current ozone sites are relatively new, there was insufficient trend data in most of these urban areas at the expected maximum sites. However, the sites in this figure do show trends similar to the expected maximum sites. For all sites, the 1981 data shows fewer days over the standard as compared with 1977 data. In Bridgeport, the number of days dropped from 27 in 1977 to 9 in 1981. In Portland, the number dropped from 15 to 5 from 1977 to 1981. In the Boston area in 1977, the site with the most days over the standard was West Newbury (not operated in 1981) with 13. In 1981, the Boston site with the most days over the standard was Hamilton (not operated in 1977) with 2. The site at Kent County in Rhode Island had 18 days over the standard in 1977 but only 9 days over the standard in 1981. Ozone violations only occur during the late spring and summer months. Meteorology plays a very important and complex role in the formation of ozone. Given this limited data base and the yearly variation in meteorology, it is impossible to determine with this level of analysis if these apparent reductions in ozone levels are in fact representative of actual reductions in emissions or are normal variations due to the yearly fluctuations in meteorology. 63 ------- — TOTAL 5U5PLiNUL U ThK1iLULh1tb - - - - - - — - - - - ----- - — — — — — FIGUI E 1981 Legend HARTFORD, CT BANGOR, ME 0 BOSTON, MA MANCHESTER, NH PROVIDENCE, RI FiVE YEAR TREND 75 70 Li Li C ) Li cE C -) 65 60 55 50 45 40 1977 1978 1979 1980 2 ------- PIVE YEAR TREND - CARBON MONOXIDE 4- 3.5- 3 - aD - 2.5- - - - - - C i . ] (f) 2- a: - p .-. - - - - - -J -.-1 1.5- Legend i BRIDGEPORT, CT X BF NGOR, ME 1 - 0 BOSTONJ MA -. PROVIDENCE, RI BURLINGTON, VT 0.5 - I 1 1977 1978 1979 1980 1981 FIGURE 3 ------- F’IVE YEAR TREND - SULF’UR DIOXIDE 45- EL ] f-i I L ] 35- C) ‘-I a) C .) - - Li 0 (I) ci ck:: C D Legend PORTLAND, ME 20- ______ - ______ - - — - ___ - 0 PSTQNJ_ MA - - _____ — - _____ - FALL RIVER, MA PROVIDENCE, RI BURLINGTON, VT 15-——— - — — 1977 1978 1979 1980 1981 FIGURE 4 ------- PIVE YEAR TREND - OZONE — ,__ ,__ % -S 1979 FIGURE 1980 1981 Legend L BRIDGEPORT, CT PORTLAND, ME o 1O , MA - - SPRINGFIELD,_hA PROVIOENCE, RI 30 25 U ) > a: - .4 (J- 20 15 10 5 0 1977 S S. ‘V -S 1978 5 ------- |