Safe

Strong Track Record – N-Viro Soil Amendment has a long-standing track record of compliance test results, product demand and successful application.

N-Viro Soil Amendment Meets Canadian Federal Fertilizer Act Regulations – All N-Viro Soil Amendment sold in Canada meets the requirements and guidelines prescribed by the Federal Fertilizers Act administered by the Canadian Food Inspection Agency (“CFIA”) – the Federal Agency that is responsible for the regulation of the N-Viro Soil Ammendment.

Continuous Prescribed Sampling and Testing – N-Viro routinely tests the incoming biosolids, alkaline admixture and outbound product to ensure they are within the limits prescribed by the CFIA for pathogens and metals content.

Leamington Soil Amendment (LSA)
  EPA 503  Ontario LSA Average
 Pathogen
Class A
 
Class B
 Fecal Coliform <1000 MPN/1g <2,000,000 MPN/g Zero to<10 cfu/g*
 Salmonella < 3 MPN/4g    negative *
 
Niagara Soil Amendment (NSA)
  Ontario Guidlines CFIA Guidelines NSA Average*
Description
(mg/kg) (DWB)

Land
Application

Compost
Arsenic
170
10
75
4.3
Cadmium
34
3
20
5.9
Chromium
2800
210
1100
45.8
Cobalt
340
34
150
2.2
Copper
1700
100
850
206
Lead
1100
150
500
107
Mercury
11
0.8
5
0.2
Molybdenum
94
2
20
7.8
Nickel
420
60
180
39.1
Selenium
34
2
14
4.1
Zinc
4200
500
1850
283

*2007 & 2008 Analysis by A&L Labs in London

Non-Prescribed Testing – N-Viro is currently testing for other contaminents including:

  • Viable Helminth ova
  • Enterovirus
 Non Prescribed Test - USA 503 Standard LSA
Viable Helminth Ova <1 egg/4g DWB <1
Enterovirus <1 PFU/4g DWB
<1


N-Viro is also engaged in the development of other testing programs including Soil Standards (Part XV.1 of the Ontario Environmental Protection Act).

Manufacturing Plant Process Parameters Monitored – Plant process equipment parameters are continuously monitored during manufacturing to ensure product quality and consistency. Certain process parameters are important for pathogen destruction and must be consistently upheld.
 

Links to other websites that discuss the safety of biosolids application to land:

University of Missouri: http://extension.missouri.edu/publications/DisplayPub.aspx?P=WQ427