Maine Environmental Data Analysis
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION
Protecting Maine’s Air, Land and Water
CETL
vs.
Portland/South Portland
(PDO)
vs.
PDO (HAP Database)
Monitoring Data
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MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION
www.maine.gov/dep
Since the dates do not overlap, We
looked at 2 year averages for each site
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MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION
www.maine.gov/dep
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50 unique Pollutants.
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3 not measured in SoPo.
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20 measured only in SoPo
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27 were measured in all 3 locations
Only pollutants found in all 3 studies are included
in this analysis
MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION
www.maine.gov/dep
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MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION
www.maine.gov/dep
Pollutants are grouped into six groups.
(number of pollutants in parentheses)
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MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION
www.maine.gov/dep
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MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION
www.maine.gov/dep
This slideshow presents an analysis for 7
of the 27 pollutants found that were
collected at all 3 sites. They are:
The others are available in the CETL analysis spreadsheet
in H:\AIR\Shared Folder\South Portland AQ Presentation
\Complaint-Monitoring\CETL Analysis.xlsm
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MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION
www.maine.gov/dep
Values in parentheses () are # of days above AAG
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MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION
www.maine.gov/dep
AAG = State of Maine Ambient Air Guideline,
which is an exposure level believed to be
associated with a minimal risk of an adverse
health effect from
life-time
exposure, even
for sensitive members of the population.
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www.maine.gov/dep
Contact info.
Richard T. Greves
ESIII
Division of Air Quality Assessment
Atmospheric Sciences and Analysis Section
rich.greves@maine.gov
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This presentation delves into the monitoring data collected by the Maine Department of Environmental Protection, focusing on pollutants measured, grouping analysis, and specific pollutant findings such as Acrolein and Toluene at multiple sites over several years.
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Presentation Transcript
CETL vs. Portland/South Portland (PDO) vs. PDO (HAP Database) Monitoring Data 1 MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION Protecting Maine s Air, Land and Water
Dates collected HAPs study (PDO) CETL Jan 5, 2014 Dec 29, 2020 Jan 5, 2014 Jun 2, 2019 SoPo (PDO) Jun 26, 2019 Oct 31, 2021 Since the dates do not overlap, We looked at 2 year averages for each site 2 MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
Dates analyzed HAPs study (PDO) Jun 28, 2017 Jun 29, 2019 CETL Jun 28, 2017 Jun 29, 2019 SoPo (PDO) Jun 26, 2019 Jun 27, 2021 PDO CETL SoPo (PDO) # of SIP days 125 123 123 Valid samples 110 114 116 Completeness 88% 92.7% 94.3% 3 MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
Number of Pollutants measured 50 unique Pollutants. 3 not measured in SoPo. 20 measured only in SoPo 27 were measured in all 3 locations Only pollutants found in all 3 studies are included in this analysis 4 MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
Grouping pollutants Pollutants are grouped into six groups. (number of pollutants in parentheses) Aromatics (6) Chlorinated Solvents (14) Combustion (2) Coolants (2) Fumigants (2) Solvents (1) 5 MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
Group analysis (ppb) Pollutant SoPo(PDO) PDO CETL Aromatics 0.102 0.095 0.049 Chlorinated Solvents 0.020 0.037 0.023 Combustion 0.090 0.139 0.127 Coolants Fumigants 0.353 0.002 0.418 0.008 0.343 0.009 Solvents 0.038 0.057 0.035 6 MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
Pollutant analysis This slideshow presents an analysis for 7 of the 27 pollutants found that were collected at all 3 sites. They are: Acrolein Naphthalene Carbon tetrachloride Chloroform Toluene The others are available in the CETL analysis spreadsheet in H:\AIR\Shared Folder\South Portland AQ Presentation \Complaint-Monitoring\CETL Analysis.xlsm Benzene 1,3-Butadiene 7 MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
Individual pollutant analysis (ppb) Pollutant SoPo (PDO) PDO CETL AAG Acrolein 0.144 (116) 0.243 (110) 0.201 (112) 0.0087 Benzene Naphthalene 0.160 (4) 0.056 (44) 0.176 (4) 0.049 (15) 0.119 (0) 0.042 (4) 0.41 0.055 1,3-Butadiene 0.035 (0) 0.074 (2) 0.052 (0) 0.15 Carbon Tetrachloride 0.099 (0) 0.108 (0) 0.109 (0) 0.27 Toluene 0.232 (0) 0.192 (0) 0.088 (0) 1300 Chloroform 0.026 (0) 0.029 (4) 0.029 (1) 0.09 Values in parentheses () are # of days above AAG 8 MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
AAG - Definition AAG = State of Maine Ambient Air Guideline, which is an exposure level believed to be associated with a minimal risk of an adverse health effect from life-time exposure, even for sensitive members of the population. 9 MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION www.maine.gov/dep
Contact info. Richard T. Greves ESIII Division of Air Quality Assessment Atmospheric Sciences and Analysis Section rich.greves@maine.gov www.maine.gov/dep 10
