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Meat and Poultry Products Plant Liquid Effluent Regulations (C.R.C., c. 818)

Regulations are current to 2024-11-26

SCHEDULE III(Section 9)

Analytical Test Methods for Determining Presence and Concentration of Deleterious Substances and Ammonia Nitrogen in Effluents

Column IColumn II
ItemSubstanceTest MethodModifications
1Biochemical Oxygen Demanding Matter (BOD)APHAFootnote for Analytical Test Methods for Determining Presence and Concentration of Deleterious Substances and Ammonia Nitrogen in Effluents* Section 507For determining dissolved oxygen the following tests are recommended:
Section 422B APHAFootnote for Analytical Test Methods for Determining Presence and Concentration of Deleterious Substances and Ammonia Nitrogen in Effluents* Phenylarseneoxide may be used instead of sodium thiosulphate
Section 422F APHAFootnote for Analytical Test Methods for Determining Presence and Concentration of Deleterious Substances and Ammonia Nitrogen in Effluents* The probe must be standardized against Winkler-Azide method (APHAFootnote for Analytical Test Methods for Determining Presence and Concentration of Deleterious Substances and Ammonia Nitrogen in Effluents* Section 422B)
2Total Suspended MatterAPHAFootnote for Analytical Test Methods for Determining Presence and Concentration of Deleterious Substances and Ammonia Nitrogen in Effluents* Section 208DGlass fiber filter discs 4.25, 4.7 or 5.5 cm size with 3.5 m size support screen to be used Gooch crucible filtration is not recommended
Graduated cylinder is recommended to measure the sample volume
3GreaseAPHAFootnote for Analytical Test Methods for Determining Presence and Concentration of Deleterious Substances and Ammonia Nitrogen in Effluents* Section 502CEither hexane or trichlorotrifluoroethane can be used
4Ammonia NitrogenAPHAFootnote for Analytical Test Methods for Determining Presence and Concentration of Deleterious Substances and Ammonia Nitrogen in Effluents* Section 418Where appropriate the test methods referred to in Section 418A or 418B should be used.

  • Return to footnote *Refers to the publication Standard Methods for the Examination of Water and Wastewater, 14th Edition (1975), published jointly by the American Public Health Association, American Water Works Association and the Water Pollution Control Federation.

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