№ lp_1_2_36952
File format: docx
Character count: 24729
File size: 72 KB
This document is a laboratory certification checklist for ammonia nitrogen analysis using EPA Method 350.1, Rev. 2.0, 1993 (Hach Method 10205 TNT) that outlines quality control procedures and requirements for laboratory practices.
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
Price: 8 / 10 USD
The file will be delivered to the email address provided at checkout within 12 hours.
The file will be delivered to the email address provided at checkout within 12 hours.
Don’t have cryptocurrency yet?
You can still complete your purchase in a few minutes:- Buy Crypto in a trusted app (Coinbase, Kraken, Cash App or any similar service).
- In the app, tap Send.
- Select network, paste our wallet address.
- Send the exact amount shown above.
The final amount may vary slightly depending on the payment method.
The file will be sent to the email address provided at checkout within 24 hours.
The product description is provided for reference. Actual content and formatting may differ slightly.
Note:
Year
Topic:
Refrigerant Systems, Safety Standards
Document Type:
Safety and Compliance Check List
Organization / Institution:
J & E Hall International
Target Audience:
Clients, CDM Coordinators, Principal Contractors
Year:
2023
Topic:
Chemistry
Document Type:
Educational Material
Author:
Not specified
Target Audience:
Students, Chemistry learners
Period of Action:
Ongoing
Approval Date:
Not specified
Date of Changes:
Not specified
Institution:
Not specified
Region:
Not specified
Note:
Context description
Year:
2025
Date of circulation:
18 December 2025
Document type:
WTO notification addendum
Subject:
Adoption of standard for fertilizers – ammonium sulphate (sulphate of ammonia)
Standard reference:
DEAS 911: 2023, Second Edition
Adopted standard designation:
US EAS 911: 2024
Date of adoption:
30 September 2025
Notifying Members:
Burundi, Kenya, Rwanda, Tanzania, Uganda
Adopting country:
Uganda
Related WTO notifications:
G/SPS/N/BDI/81; G/SPS/N/KEN/248; G/SPS/N/RWA/74; G/SPS/N/TZA/316; G/SPS/N/UGA/300
Type of measure:
Notification of adoption, publication or entry into force of regulation
Comment period:
Not applicable
Responsible authority:
Uganda National Bureau of Standards
Address:
Plot 2-12 ByPass Link, Bweyogerere Industrial and Business Park, P.O. Box 6329, Kampala, Uganda
Contact:
Tel +(256) 4 1733 3250/1/2; Fax +(256) 4 1428 6123; E-mail [email protected]
; Website https:
//www.unbs.go.ug
Official WTO addendum communicating the adoption by Uganda of the East African Standard DEAS 911:
2023 on specifications for ammonium sulphate fertilizer under the designation US EAS 911:2024.
Year:
2023
Region / city:
United States / unspecified
Topic:
Environmental Services, Refrigeration
Document Type:
Case Study
Organization:
ERG Environmental Service
Author:
Chas Petersen
Target Audience:
Contractors, Environmental Service Providers, General Contractors
Period of Action:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
2023
Region / city:
Global
Topic:
Ammonia measurement
Document type:
Research kit
Organization:
Abcam
Author:
Not specified
Target audience:
Researchers
Validity period:
Not specified
Approval date:
Not specified
Modification date:
Not specified
Year:
2024
Region / City:
Gopalpur, Odisha
Topic:
Green Hydrogen, Green Ammonia, Renewable Energy
Document Type:
Certification Announcement
Organization / Institution:
TÜV Rheinland, Avaada Group
Author:
TÜV Rheinland, Avaada Group
Target Audience:
Industry professionals, Energy sector stakeholders, Environmental regulators
Period of Validity:
N/A
Approval Date:
02 July 2024
Date of Changes:
N/A
Year:
2000–2019
Region / Country:
Israel
Topic:
Environmental pollution / Agriculture
Document type:
Statistical indicator report
Institution:
Ministry of Environmental Protection
Data source:
Central Bureau of Statistics (CBS), OECD
Main focus:
Livestock and fertilizer ammonia emissions
Measurement unit:
Tons per year
Calculation method:
Coefficients based on livestock numbers
Reliability note:
Estimates based on calculations, not continuous measurements
Key contributors:
Poultry, cattle, sheep and goats, pigs
Environmental impact:
Air quality, nitrogen deposition
Comparison:
OECD countries
Investigation period:
2000–2019
Year:
2021
Region / City:
Illinois
Topic:
Agricultural Safety / Anhydrous Ammonia
Document Type:
FAQ
Organization:
Illinois Department of Agriculture
Author:
Illinois Department of Agriculture
Target Audience:
Growers, grower farm operators, farm managers, farm employees
Effective Period:
Until April 1, 2022 (for certification)
Approval Date:
Not specified
Change Date:
Not specified
Training Method:
Online and in-person
Cost:
Free
Year:
1993
Region / City:
North Carolina, USA
Subject:
Water quality analysis, ammonia nitrogen measurement
Document Type:
Laboratory checklist / Standard Operating Procedure verification
Agency:
North Carolina Department of Environmental Quality / Division of Water Resources
Primary Analyst:
[Not specified]
Prepared by:
[Name of person completing checklist]
Equipment:
Spectrophotometer, pH meter, borosilicate glass distillation equipment
Methods:
EPA Method 350.1 Rev. 2.0, Hach Method 10205 TNT
Reagents:
Borate buffer, boric acid solution, ammonia-free water, Hach TNTplus kits, NaOH, dechlorinating reagent, sulfuric acid, sodium hypochlorite, sodium phenolate, sodium nitroprusside, EDTA buffer
QC Requirements:
Compliance with EPA 350.1 Rev. 2.0 for modified methods
Sample Handling:
Preservation with H2SO4 to pH <2, refrigerated transport ≤6 ºC, analysis within 28 days
Regulatory References:
40 CFR Part 136, 15A NCAC 2H .0805, SM 4500 NH3 B-2011
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:
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
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