№ lp_1_2_42995
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This document provides recommendations for nitrogen oxides (NOx) emission reduction strategies from natural gas pipeline compressors and cement manufacturing plants within the Ozone Transport Region and states covered under the Cross-State Air Pollution Rule Update.
Year:
2017
Region / city:
Ozone Transport Region (OTR), Cross-State Air Pollution Rule Update (CSAPR U) states
Subject:
Nitrogen Oxides (NOx) emissions control measures
Document type:
White Paper
Organization / Institution:
Ozone Transport Commission (OTC)
Author:
Ozone Transport Commission (OTC)
Target audience:
State and federal policymakers, environmental regulators
Period of validity:
2018 and beyond
Approval date:
2017-08-28
Date of changes:
Not specified
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The product description is provided for reference. Actual content and formatting may differ slightly.
Year:
1995–2026
Region:
Maine, United States
Subject:
Air pollution control, nitrogen oxides emissions
Document type:
Regulation / Legal Chapter
Issuing authority:
Maine Department of Environmental Protection
Affected facilities:
Stationary sources with potential NOx emissions ≥100 tons/year
Exemptions:
Units emitting <10 tons/year, emergency stationary engines
Compliance methods:
Continuous emission monitoring systems (CEMS)
Key definitions:
1995 Moderate Nonattainment Area, 2022 Ozone Transport Region, affected unit, large boiler, large turbine, Kraft recovery boiler, lime kiln
Effective date:
May 1, 2026
Supersedes:
Prior RACT requirements in sections 3 and 6
Year:
1995–2026
Region:
Maine, United States
Subject:
Air pollution control, nitrogen oxides emissions
Document type:
Regulation / Legal Chapter
Issuing authority:
Maine Department of Environmental Protection
Affected facilities:
Stationary sources with potential NOx emissions ≥100 tons/year
Exemptions:
Units emitting <10 tons/year, emergency stationary engines
Compliance methods:
Continuous emission monitoring systems (CEMS)
Key definitions:
1995 Moderate Nonattainment Area, 2022 Ozone Transport Region, affected unit, large boiler, large turbine, Kraft recovery boiler, lime kiln
Effective date:
May 1, 2026
Supersedes:
Prior RACT requirements in sections 3 and 6
Year:
2023
Region / City:
United Kingdom
Subject:
Transport package design approval
Document Type:
Assessment Report
Author:
Office for Nuclear Regulation (ONR)
Target Audience:
Regulatory authorities, Nuclear transport agencies
Period of Validity:
Until 30 November 2028
Approval Date:
25 February 2023
Amendment Date:
14 December 2023
Year:
2026
Region / City:
Falmouth, Massachusetts, USA
Subject:
Environmental Regulation, Water Quality, Nitrogen Pollution
Document Type:
Municipal Health Regulation
Authority / Agency:
Falmouth Board of Health, Massachusetts Department of Environmental Protection
Target Audience:
Property owners, builders, developers
Legal Reference:
M.G.L. c. 111 § 31; 310 CMR 15.003(3); 314 CMR 21.00; Massachusetts Clean Waters Act M.G.L. c. 21 §§ 26-53; 314 CMR 4.00
Scope:
Nitrogen Regulated Areas including public/private water supply protection and nitrogen-impaired watersheds
Effective Measures:
Requirement for Best Available Nitrogen Reducing Technology in new construction
Exemptions:
Future sewer service areas under approved town funding
Year:
2022
Region / City:
North Carolina
Topic:
Analytical Methodology
Document Type:
Standard Operating Procedure
Organization / Institution:
Hach Company
Author:
N/A
Target Audience:
Laboratory Technicians
Period of Effectiveness:
N/A
Approval Date:
N/A
Modification Date:
N/A
Context:
A Standard Operating Procedure for performing Total Kjeldahl Nitrogen (TKN) analysis using the Hach TNTplus 880 Method 10242.
Year:
2026
Region / City:
Falmouth
Topic:
Environmental Regulation, Wastewater Management
Document Type:
Regulation
Agency:
Town of Falmouth, Massachusetts Department of Environmental Protection
Author:
Town of Falmouth
Target Audience:
Property owners, builders, and environmental professionals
Effective Period:
Ongoing
Approval Date:
Not specified
Amendment Date:
Not specified
Jurisdiction:
Massachusetts, United States
Issuing authority:
Massachusetts Department of Environmental Protection
Program name:
Natural Resource Nitrogen Sensitive Area Grant Program
Fiscal year:
FY26
Funding purpose:
Planning activities related to Watershed Management Plans and watershed permit applications addressing nitrogen pollution
Eligible applicants:
Local Government Units in designated Natural Resource Nitrogen Sensitive Areas
Geographic scope:
Cape Cod watersheds designated as NRNSA
Funding source:
Capital Fund
Total funding available:
Up to $830,000
Grant amount range:
$20,000–$350,000 per award
Eligible activities:
Watershed planning, nitrogen load assessment, modeling, and related analyses
Ineligible activities:
Construction, implementation, operation, or maintenance projects
Application period:
State Fiscal Year 2026
Eligible work period:
July 1, 2025 – June 30, 2026
Regulatory references:
314 CMR 21.00; 310 CMR 15.000; Clean Water Act §208
Year:
1995–2026
Region:
Maine, United States
Subject:
Air pollution control, nitrogen oxides emissions
Document type:
Regulation / Legal Chapter
Issuing authority:
Maine Department of Environmental Protection
Affected facilities:
Stationary sources with potential NOx emissions ≥100 tons/year
Exemptions:
Units emitting <10 tons/year, emergency stationary engines
Compliance methods:
Continuous emission monitoring systems (CEMS)
Key definitions:
1995 Moderate Nonattainment Area, 2022 Ozone Transport Region, affected unit, large boiler, large turbine, Kraft recovery boiler, lime kiln
Effective date:
May 1, 2026
Supersedes:
Prior RACT requirements in sections 3 and 6
Year:
1993
Region / City:
North Carolina
Topic:
Laboratory Certification, Ammonia Nitrogen Analysis
Document Type:
Standard Operating Procedure
Organization / Institution:
NC DEQ/DWR Laboratory Certification Branch
Author:
Not specified
Target Audience:
Laboratories conducting ammonia nitrogen analysis
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Organization:
North Carolina Department of Environmental Quality, Division of Water Resources
Branch:
Wastewater/Groundwater Laboratory Certification Branch
Document type:
Laboratory quality assurance and compliance checklist
Analytical parameter:
Nitrogen, Nitrite
Analytical method:
EPA Method 353.2, Revision 2.0 (1993)
Analytical technique:
Automated continuous-flow analysis with cadmium reduction bypassed
Applicable regulations:
15A NCAC 2H .0805; 40 CFR 136
Equipment:
Automated continuous-flow analyzer; analytical balance
Reagents:
Color reagent; reagent water; wash solution; dilute hydrochloric acid; ammonium chloride-EDTA solution; nitrate and nitrite stock and standard solutions
Sample preservation and storage requirements:
Refrigeration ≤ 6 °C; analysis within 48 hours
Calibration requirements:
Multi-point calibration with blank; correlation coefficient ≥ 0.995
Quality control:
Second-source Quality Control Standard; ongoing calibration verification
Intended use:
Laboratory compliance review and certification assessment
Note:
Year
Subject:
Laboratory Certification, Water Quality Testing
Document Type:
Certification Checklist
Organization / Institution:
NC DEQ/DWR Laboratory Certification Branch
Target Audience:
Laboratory personnel and analysts
Year:
2020
Region / city:
United States
Subject:
Environmental monitoring, air quality analysis
Document Type:
Standard Operating Procedure
Organization / institution:
Environmental Protection Agency (EPA)
Author:
Environmental Protection Agency (EPA)
Target Audience:
Instrument operators, environmental monitoring professionals
Effective Date:
July 2020
Date of Approval:
July 2020
Method:
Chemiluminescent absorbance, photolytic conversion, CAPS spectroscopy
Measurement Range:
0 - 200 ppb
Detection Limit:
< 0.040 ppb
Temperature Range:
5 to 40°C
Sampling Method:
Continuous monitoring, real-time measurement
Instrumentation:
Teledyne API T500U, Teledyne API T200UP
Calibration Method:
Zero air and span NO2 concentration
Sampling Period:
June 1 to August 31 annually
Disclaimer:
No official EPA endorsement implied
Year:
2018
Region / City:
United States
Topic:
Medical Gas Systems, Nitrogen Purging, Brazing
Document Type:
Technical Guide
Organization:
NFPA
Author:
Not specified
Target Audience:
Installers, Contractors, Technicians
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Amendments:
Not specified
Document type:
Supplementary materials
Related article title:
Nitrogen Transformation Promotes the Anaerobic Degradation of PAHs in the Water Level Fluctuation Zone of the Three Gorges Reservoir in Yangtze River, China
Authors:
Shupei Yuan; Xinkuan Han; Xiangyang Yin; Peixing Su; Yiying Zhang; Yinfei Liu; Juntong Zhang; Daijun Zhang
Corresponding author:
Daijun Zhang
Affiliation:
State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University
Note:
Affiliation
Department of Environmental Science, College of Environment and Ecology, Chongqing University
Country:
People’s Republic of China
Study area:
Water Level Fluctuation Zone of the Three Gorges Reservoir, Yangtze River, China
Pages:
9
Number of tables:
6
Number of figures:
4
Methods included:
Assays for concentration of PAHs; high-performance liquid chromatography (HPLC) analysis; high-throughput sequencing; functional gene quantification; co-occurrence network analysis
Analyzed parameters:
Soil physicochemical characteristics; PAH concentrations; functional genes; microbial diversity indices; KEGG pathways; bacterial network topology
Experimental approach:
In-situ experiment
Year:
2025
Region / City:
Tirupati
Topic:
Agricultural science, Agronomy, Fodder crops
Document type:
Research article
Organization / Institution:
S.V. Agricultural College, ANGRAU
Author:
A.P. Jagadeesh, S. Tirumala Reddy, V. Chandrika, A.R. Nirmal Kumar
Target audience:
Researchers, Agricultural professionals, Academics
Period of validity:
2023 Kharif season
Date of approval:
25-05-2025
Date of receipt:
21-05-2025
Date of changes:
Not specified
Document Type:
Session Proposal
Session Title:
Plant nitrogen utilization: from cell to field
Format:
Oral presentations
Organizers:
Weiming Shi; Yufang Lu; Toru Fujiwara; Herbert J. Kronzucker; Eiko Kuramae
Primary Contact Persons:
Weiming Shi; Yufang Lu
Affiliated Institutions:
Institute of Soil Science, Chinese Academy of Sciences; The University of Tokyo; The University of Melbourne; Netherlands Institute of Ecology
Proposed Speakers:
Toru Fujiwara; Herbert J. Kronzucker; Eiko Kuramae; Caixian Tang; Zhenhua Zhang; Wei Xuan; Chao Ai; Zhi Quan
Thematic Focus:
Plant nitrogen utilization; nitrogen sensing and transport; root-soil-microbe interactions; soil nitrogen transformation; nitrogen management in agricultural systems
Target Audience:
Plant nutrition scientists; soil scientists; early-career researchers; international researchers
Scope:
From cellular mechanisms to field-level agricultural systems
Year:
2023
Region / City:
Wuxi, Shanghai, Nanjing, London, Leuven, Cambridge, Mainz
Subject:
Nitrogen Fixation, Electrochemical Catalysis
Document Type:
Research Article
Organization / Institution:
Jiangnan University, Donghua University, Nanjing University of Posts & Telecommunications, University College London, KU Leuven, University of Cambridge, Max Planck Institute for Polymer Research
Author:
Wei Zong, Haiqi Gao, Yue Ouyang, Kaibin Chu, Hele Guo, Leiqian Zhang, Wei Zhang, Ruwei Chen, Yuhang Dai, Fei Guo, Jiexin Zhu, Zhenfang Zhang, Chumei Ye, Yue-E Miao, Johan Hofkens, Feili Lai, Tianxi Liu
Target Audience:
Researchers in material science, chemistry, and catalysis
Period of Validity:
N/A
Approval Date:
N/A
Date of Changes:
N/A
Year:
2013
Region / City:
Princeton, NJ
Field:
Environmental Science, Sustainable Development
Document Type:
Curriculum Vitae
Institution:
Princeton University
Author:
Xin Zhang
Target Audience:
Academic, Research Institutions, Policy Makers
Period of Activity:
2005-present
Date of Approval:
Not specified
Date of Changes:
Not specified