The Public Health and Safety Company™ NSF International Onsite Wastewater Treatment Unit Program Standards, Testing and Certification Update

The Public Health and Safety Company™ NSF International Overview  Standards development  Current standards  Standards in process  Certification status  New Technologies  Other items of interest

The Public Health and Safety Company™ NSF International EPA, State, Local Engineers, Academics, Consultants, Certifiers Regulators Users Manufacturers Consensus Standards: Key to Success – Stakeholder Involvement

The Public Health and Safety Company™ NSF International NSF/ANSI Wastewater Standards  Standard 40: Residential Wastewater Treatment Systems  Standard 41: Non-Liquid Saturated Treatment Systems  Standard 46: Evaluation of Components and Devices Used in Wastewater Treatment Systems  Standard 245: Wastewater treatment systems – Nitrogen reduction

The Public Health and Safety Company™ NSF International NSF/ANSI Standard 40 and 245  Scope 40: Any residential system with a treatment capacity of gpd; CBOD 5 and TSS reduction.  Scope 245: Any residential system with a treatment capacity of gpd; Nitrogen reduction.  Must also meet the requirements of Standard 40 Class I effluent.

The Public Health and Safety Company™ NSF International NSF/ANSI Standard 40 and 245  Performance Testing  Installed per manufacturer’s instructions.  No restriction for seasons (or geography).  Operated in accordance with manufacturer’s instruction.  No service or maintenance during entire six month test.  All test data reported.  No allowance for discard of any data, except if test facility fails to provide an acceptable test.

The Public Health and Safety Company™ NSF International NSF/ANSI Standard 40 and 245  Sampling  24 hour composite  Standard 40: influent and effluent five days/week.  Standard 245: influent and effluent three days/week.  If concurrent: CBOD 5, TSS and pH five days/ week and N series three days/week (TKN, Ammonia-N and Nitrate/nitrite-N).

The Public Health and Safety Company™ NSF International NSF/ANSI Standard 40/245  Influent Wastewater Characteristics  BOD mg/L mg/L  TSS 100 mg/L mg/L  TKN 35 mg/L – 70 mg/L (as N; can be supplemented - urea)  Alkalinity > 175 mg/L (can be supplemented - sodium bicarbonate)  Temperature 10 – 30 C (sampling suspended below 10 C)  pH 6.5 – 9

The Public Health and Safety Company™ NSF International Nitrogen Influent Strength  MASSTC test site  Average 37 mg/L  British Columbia test site  Average 39 mg/L  Texas test site  Average 38 mg/L  PA field study (11 homes)  Average 44 mg/L  Idaho field study (18 homes)  Average 38 mg/L

The Public Health and Safety Company™ NSF International NSF/ANSI Standard 40  Effluent criteria: Class 1  CBOD 5 25 mg/L 30-day average 40 mg/L 7-day average  TSS 30 mg/L 30-day average 45 mg/L 7-day average  Effluent criteria: Class 2  CBOD 5 Not more than 10% >60 mg/L  TSSNot more than 10% >100 mg/L  pH: 6.0 – 9.0  All performance data reported.

The Public Health and Safety Company™ NSF International NSF/ANSI Standard 245  Effluent criteria ( overall test average when performed separate from Standard 40)  CBOD 5 25 mg/L  TSS 30 mg/L  Nitrogen: minimum 50% reduction (design loading sample periods only – stress data reported)  pH: 6.0 – 9.0  All performance data reported.

The Public Health and Safety Company™ NSF International Standard 40 and 245 Test Facilities  Present Test Sites:  Waco, Texas  Baton Rouge, Louisiana  Buzzards Bay, Massachusetts  Vancouver, British Columbia  Quebec (BNQ)  Germany (PIA)

The Public Health and Safety Company™ NSF International Standard 40; CBOD 5 /TSS Class I: 40 companies; 464 Systems Standard 245; Nitrogen 8 companies; 49 systems Certification Status of Treatment Systems

The Public Health and Safety Company™ NSF International Draft standard: Alternative Media Systems (NSF 240)  Alternatives to traditional stone/gravel  Controlled comparison against gravel  Hydraulic performance (LTAR)  One year test  5/6 replicates of each

The Public Health and Safety Company™ NSF International Test Cell Wastewater Feed Observation Ports Perforated PVC Pipe Filter Fabric Double Washed Stone Aggregate ¾”- 1-1/2” 2’ of C33 Concrete Sand 9” layer of 1/8” peastone over entire module 26 ft. Bottom Drain ( to percolate sampling port) 40 mil Impervious Liner PROFILE VIEW

The Public Health and Safety Company™ NSF International Draft standard: Alternative Media Systems (NSF 240)  Final draft under review by the task group.  Expected ballot to the Joint Committee this year.  Results: % reduction in sizing as compared to the control (measured to the nearest 5% increment)

The Public Health and Safety Company™ NSF International Draft Standard: Field Performance Verification (NSF 360)  Same systems as covered under Standards 40/245  Goal: Bridging lab versus field performance

The Public Health and Safety Company™ NSF International Draft Standard: Field Performance Verification (NSF 360)  Field evaluation of 20 systems minimum  North/South geography desired  Operating for 6 months, current maintenance contract  Screening process to eliminate unusual cases.  Sampling; quarterly for one year  Primary: BOD 5, TSS  Data only; no pass/fail criteria

The Public Health and Safety Company™ NSF International Draft Standard: Onsite Recycle/Reuse Treatment Technologies (NSF 350)  Increasing need as potable water becomes a more precious resource.  Increasing interest as we enter the age of green/sustainability.  LEED Credits

The Public Health and Safety Company™ NSF International Draft Standard: Onsite Recycle/Reuse Treatment Technologies  Variable influents  Rainfall  Storm runoff  Graywater  Blackwater

The Public Health and Safety Company™ NSF International Draft Standard: Onsite Recycle/Reuse Treatment Technologies  Variable effluent applications  Surface irrigation  Lawn versus Crops  Toilet flushing  Car washing  Fire protection  Advantage of onsite: select source treatment and select reuse

The Public Health and Safety Company™ NSF International Draft Standard: Onsite Recycle/Reuse Treatment Technologies Risk Category Fecal Coliform cfu/100 mL BOD 5 (mg/L) TSS (mg/L) Total N (mg/L as N) Turbidity (NTU) Very low< 100,000< 30 NR Low< 2005 – 30 NR Moderate2.2 – 1005 – 30 NR HighND5 – – 10 Drinking water TBD NR – Not required ND – Non detect

The Public Health and Safety Company™ NSF International Get Involved!  Standards impact your agency and your business.  The process is open if you want to contribute.  At a minimum, monitor what is on the horizon to know the direction standards are moving.  Your best resource:

The Public Health and Safety Company™ NSF International Other Items of Interest Flushability; disposability, compostability services

The Public Health and Safety Company™ NSF International Other Items of Interest  Protocol certifications  NSF Protocol P150; Evaluation of Bathroom Tissues Disposed into Septic Systems

The Public Health and Safety Company™ NSF International Other Items of Interest  Protocol certifications  NSF Protocol P340; Septic Tank and Grease Trap Solid and Liquid Separating Devices

The Public Health and Safety Company™ NSF International Other Items of Interest  New protocol certifications  NSF Protocol P157; Electrical Incinerating Toilets - Health and Sanitation

The Public Health and Safety Company™ NSF International

The Public Health and Safety Company™ NSF International Contact Information  Tom Bruursema General Manager (734)  Sharon Steiner Business Unit Manager (734)  Ron Grimes Regulatory Affairs Manager (734)  NSF Web Site:  Toll free