Aquatic Toxicology Branch Downloads

Whole Effluent Toxicity (WET) Downloads

NC DWR Whole Effluent Toxicity (WET) Guidance

Understanding and Implementing Your Monitoring Requirement 
DWR WET Strategy
Changes to DWR Water Treatment Plant (WTP) Strategy
Alternate Species Toxicity Testing
NPDES Reporting Requirements
Checklist for Municipal Application Requirements

NC DWR Whole Effluent Toxicity (WET) Procedures

ATTENTION: REVISED ATB CRITERIA & PROCEDURES

Summary of ATB Revisions

Single Effluent Acute Pass/Fail
Ceriodaphnia Chronic Pass/Fail
Ceriodaphnia Chronic Phase II

NC DWR Whole Effluent Toxicity (WET) Enforcement Policy:

Revised Whole Effluent Toxicity Enforcement Policy - Sept. 1999
Ceriodaphnia Chronic Limit Language
Policy Revision Notification Letter (Effective Sept.1, 1999)
Action Level Policy (Effective Oct. 25, 2000)

NC DWR Whole Effluent Toxicity (WET) Reporting Forms:

Report Form AT-1: NPDES acute LC50 and chronic pass/fail 
Report Form AT-2: NPDES acute pass/fail analysis  
Report Form AT-3: NPDES Phase II chronic Ceriodaphnia and pass/fail analysis 
Report Form AT-4: NPDES chronic Mysidopsis bahia pass/fail and multi-concentration
Report Form AT-5: NPDES chronic Pimephales promelas multi-concentration
Parameter Codes for form MR-1 

NC DWR Polyacrylamide (PAM) Products Information

NC DWR Guidance for the use of Polyacrylamide (PAM) products 

NC DWR Approved PAMs/Flocculants List 

Whole Effluent Toxicity Testing Self Monitoring Summary 

 


 

Biological Laboratory Downloads

Certification Application
Certification Application
Certification Renewal Application
Certification Renewal Application
Laboratory Certification Rules
Certification/Criteria Procedures Document
Biological Laboratory Certification Guidance Manual for Effluent Toxicity

DWR Certified Laboratory List 


Other Downloads

TRE Guidance Document
TRE Guidance for Municipal Wastewater Treatment Plants, EPA 833-B-99-002
Additional EPA TIE/TRE guidance (March, 2001)
Biocide Worksheet Form 101
Biocide Worksheet Form 101
Biocide Application Spreadsheet
SETAC EAP False Positives


 

Environmental Sciences Section 1621 Mail Service Center Raleigh, NC 27699-1621 919.743.8400