def METHOD_NAME(self, model):
    # Treated water
    assert value(model.fs.Treated.flow_vol[0]) == pytest.approx(0.20921, rel=1e-4)
    assert value(model.fs.Treated.temperature[0]) == pytest.approx(298.15, rel=1e-4)
    assert value(model.fs.Treated.pressure[0]) == pytest.approx(101325, rel=1e-4)
    assert value(model.fs.Treated.conc_mass_comp[0, "S_A"]) == pytest.approx(
        5.4560e-5, rel=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "S_F"]) == pytest.approx(
        2.5736e-3, rel=1e-2
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "S_I"]) == pytest.approx(
        30e-3, rel=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "S_N2"]) == pytest.approx(
        13.837e-3, abs=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "S_NH4"]) == pytest.approx(
        8.98349e-6, rel=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "S_NO3"]) == pytest.approx(
        4.3924e-3, abs=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "S_O2"]) == pytest.approx(
        7.8744e-3, abs=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "S_PO4"]) == pytest.approx(
        2.7958e-3, rel=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "X_AUT"]) == pytest.approx(
        1.3277e-3, abs=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "X_H"]) == pytest.approx(
        36.331e-3, rel=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "X_I"]) == pytest.approx(
        21.1808e-3, rel=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "X_MeOH"]) == pytest.approx(
        0, abs=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "X_MeP"]) == pytest.approx(
        0, abs=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "X_PAO"]) == pytest.approx(
        2.111e-3, abs=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "X_PHA"]) == pytest.approx(
        8.981e-5, abs=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "X_PP"]) == pytest.approx(
        0.66913e-3, abs=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "X_S"]) == pytest.approx(
        1.15897e-3, rel=1e-4
    )
    assert value(model.fs.Treated.conc_mass_comp[0, "X_TSS"]) == pytest.approx(
        76.489e-3, rel=1e-4
    )
    assert value(model.fs.Treated.alkalinity[0]) == pytest.approx(
        7.243e-3, rel=1e-4
    )
    # Sludge stream
    assert value(model.fs.Sludge.flow_vol[0]) == pytest.approx(4.2808e-3, rel=1e-4)
    assert value(model.fs.Sludge.temperature[0]) == pytest.approx(298.15, rel=1e-4)
    assert value(model.fs.Sludge.pressure[0]) == pytest.approx(101325, rel=1e-4)
    assert value(model.fs.Sludge.conc_mass_comp[0, "S_A"]) == pytest.approx(
        5.4560e-5, rel=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "S_F"]) == pytest.approx(
        2.5736e-3, rel=1e-2
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "S_I"]) == pytest.approx(
        30e-3, rel=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "S_N2"]) == pytest.approx(
        13.837e-3, abs=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "S_NH4"]) == pytest.approx(
        8.9834e-6, rel=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "S_NO3"]) == pytest.approx(
        4.3924e-3, abs=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "S_O2"]) == pytest.approx(
        7.8744e-3, abs=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "S_PO4"]) == pytest.approx(
        2.7958e-3, rel=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "X_AUT"]) == pytest.approx(
        58.6744e-3, abs=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "X_H"]) == pytest.approx(
        1.6200, rel=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "X_I"]) == pytest.approx(
        953.686e-3, rel=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "X_MeOH"]) == pytest.approx(
        0, abs=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "X_MeP"]) == pytest.approx(
        0, abs=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "X_PAO"]) == pytest.approx(
        93.795e-3, abs=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "X_PHA"]) == pytest.approx(
        4.0913e-3, abs=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "X_PP"]) == pytest.approx(
        30.522e-3, abs=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "X_S"]) == pytest.approx(
        50.995e-3, rel=1e-4
    )
    assert value(model.fs.Sludge.conc_mass_comp[0, "X_TSS"]) == pytest.approx(
        3.4078, rel=1e-4
    )
    assert value(model.fs.Sludge.alkalinity[0]) == pytest.approx(
        7.2430e-3, rel=1e-4
    )