№ files_lp_4_process_2_56661
File format: docx Character count: 694 File size: 17 KB
The policy outlines the procedure for conducting drift checks on BOD5/CBOD5 – DO meters in order to ensure accurate measurements during laboratory sample analysis.
Year: 2021
Region / City: NC WW/GW
Subject: BOD5, CBOD5, DO Meter Calibration
Document Type: Policy
Organization / Institution: NC WW/GW LCB
Author: Unknown
Target Audience: Laboratory staff, Environmental monitoring professionals
Effective Period: Ongoing
Approval Date: 08/06/2021
Modification Date: None
Price: 8 / 10 USD
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BOD5/CBOD5 Quality Control Failure Flagging Policy (08/06/2021)
Year: 2021
Region / Location: NC WW/GW LCB
Topic: Water Quality Testing
Document Type: Laboratory Policy
Organization / Institution: NC WW/GW LCB
Author: Laboratory Quality Control Team
Target Audience: Laboratory personnel and environmental compliance staff
Effective Period: From 08/06/2021
Revision Date: Not specified
Standards Referenced: 40 CFR Part 136.3, July 19, 2021
QC Criteria: DO depletion, residual DO, GGA standards, duplicate variability, seed control results
Reporting Requirements: Statement of QC failures, subjective validity assessment
Sample Collection, Preservation, Storage, and Transport Requirements for Non-Field Laboratories Policy (NC WW/GW LCB 09/18/2024)
Year: 2024
Region / State: North Carolina, USA
Subject: Laboratory sample handling and preservation
Document type: Policy
Issuing authority: North Carolina Laboratory Certification Branch
Reference regulations: 15A NCAC 02H .0805 (a) (7) (L,M); 40 CFR Part 136 Table II
Target audience: Laboratory personnel and sample collectors
Effective date: 09/18/2024
Sample types: Water, soil, sludge
Preservation methods: Chemical preservatives, pH adjustments, dechlorination, refrigeration
Transport requirements: Ice transport, temperature monitoring, documentation of holding times
Documentation requirements: Sample collection date and time, collector identification, preservation verification, storage conditions, receipt verification at laboratory
Contextual description: Policy document outlining mandatory procedures for collecting, preserving, storing, and transporting environmental samples to ensure compliance with North Carolina laboratory regulations.
BOD5/CBOD5 Quality Control Failure Flagging Policy (08/06/2021)
Year: 2021
Region / Location: NC WW/GW LCB
Topic: Water Quality Testing
Document Type: Laboratory Policy
Organization / Institution: NC WW/GW LCB
Author: Laboratory Quality Control Team
Target Audience: Laboratory personnel and environmental compliance staff
Effective Period: From 08/06/2021
Revision Date: Not specified
Standards Referenced: 40 CFR Part 136.3, July 19, 2021
QC Criteria: DO depletion, residual DO, GGA standards, duplicate variability, seed control results
Reporting Requirements: Statement of QC failures, subjective validity assessment
Topics: BOD5CBOD5 LCB 08062021