Dr. McCullough. Oh, yes. That plant was designed by the engineer of the provincial board of health, and by him supplied to the military authorities.
Mr. Tawney. What is the standard of purity that your board of health follows?
Dr. McCullough. With regard to the sewage?
Mr. Tawney. Yes; standard of purification.
Dr. McCullough. We think that, for these international waters, there should be sedimentation and chlorination. We would be satisfied with that.
Mr. Tawney. The standard of purification is 90°, is it not?
Dr. McCullough. The standard as to purification for water——
Mr. Tawney. I mean for sewage. What is the standard for sewage?
Dr. McCullough. I think it is something like that laid down in the report.
Mr. Tawney. I wanted to find out if it corresponded with the standard established by the engineers in this report.