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Table 4 The probit analysis was used to determine the acute 48-hour LD50 values of CBs in A. pinnata, along with their corresponding confidence limits. The logarithm used in the analysis was base 10

From: Ecotoxicological assessment of cigarette butts on morphology and photosynthetic potential of Azolla pinnata

 

Confidence Limits

Probability

95% Confidence Limits for treatment

95% Confidence Limits for log(treatment)a

Estimate

Lower Bound

Upper Bound

Estimate

Lower Bound

Upper Bound

PROBIT

.010

7.453

5.243

9.347

.872

.720

.971

.020

8.381

6.096

10.303

.923

.785

1.013

.030

9.030

6.706

10.962

.956

.826

1.040

.040

9.551

7.204

11.486

.980

.858

1.060

.050

9.996

7.635

11.933

1.000

.883

1.077

.060

10.392

8.022

12.328

1.017

.904

1.091

.070

10.751

8.376

12.685

1.031

.923

1.103

.080

11.084

8.706

13.015

1.045

.940

1.114

.090

11.395

9.018

13.323

1.057

.955

1.125

.100

11.690

9.313

13.614

1.068

.969

1.134

.150

12.992

10.638

14.897

1.114

1.027

1.173

.200

14.129

11.813

16.016

1.150

1.072

1.205

.250

15.184

12.912

17.059

1.181

1.111

1.232

.300

16.199

13.974

18.069

1.209

1.145

1.257

.350

17.199

15.020

19.078

1.236

1.177

1.281

.400

18.205

16.068

20.109

1.260

1.206

1.303

.450

19.235

17.131

21.185

1.284

1.234

1.326

.500

20.305

18.220

22.331

1.308

1.261

1.349

.550

21.434

19.348

23.576

1.331

1.287

1.372

.600

22.647

20.530

24.956

1.355

1.312

1.397

.650

23.972

21.786

26.518

1.380

1.338

1.424

.700

25.452

23.145

28.327

1.406

1.364

1.452

.750

27.152

24.653

30.485

1.434

1.392

1.484

.800

29.179

26.388

33.158

1.465

1.421

1.521

.850

31.734

28.495

36.661

1.502

1.455

1.564

.900

35.269

31.300

41.713

1.547

1.496

1.620

.910

36.180

32.007

43.049

1.558

1.505

1.634

.920

37.197

32.789

44.555

1.571

1.516

1.649

.930

38.347

33.666

46.278

1.584

1.527

1.665

.940

39.675

34.668

48.289

1.599

1.540

1.684

.950

41.245

35.841

50.698

1.615

1.554

1.705

.960

43.169

37.262

53.693

1.635

1.571

1.730

.970

45.658

39.076

57.634

1.660

1.592

1.761

.980

49.190

41.610

63.347

1.692

1.619

1.802

.990

55.320

45.912

73.572

1.743

1.662

1.867

  1. aLogarithm base = 10