Yes:  "Last Updated: [today's date]"

There is a date at the bottom of the page indicating when the site was last updated.

Yes.  Most of the links seem functional.

Actually, most of the links seem functional.

It depends on you. But, the writing seems understandable.

It depends on you. But, the writing seems understandable.

There are references listed in the DHMO Reports section, but they are all from secondary schools, so this doesn't seem credible.

There are references listed in the DHMO Reports section, but they are all from secondary schools, so this doesn't seem credible.

Yes. Copyright © by Tom Way [But, don't forget to verify this author's credentials by using Google or Google Scholar.]

The author: Copyright © by Tom Way [But, don't forget to verify this author's credentials by using Google or Google Scholar.]

Yes. Presumably he is affiliated with the United States Environmental Assessment Center (is such a center exists).

Presumably he is affiliated with the United States Environmental Assessment Center (is such a center exists).

You can try searching Google, Google Scholar, or library databases to see if anyone else has written about this.

You can try searching Google, Google Scholar, or library databases to see if anyone else has written about this.

Yes, there seems to be a lot of information.

There is a DHMO.org store, but this seems minor.

From the language, it appears to be factual.

It seems factual.

If the information is all true, it does seem to border on propaganda.

Evaluate again! This site is actually a hoax.

from the Press Kit on the Web site: 

"What is the web site's purpose?

The original purpose of the site was as a sort of writer's therapy to blow off steam about all the devious (and sometimes just ignorant) ways the truth is bent to prove a point by some in the media, politics, sales, environmental activism, organized religion, web site authoring, etc."

Good. You probably figured out that this site is a hoax.

from the Press Kit on the Web site: 

"What is the web site's purpose?

The original purpose of the site was as a sort of writer's therapy to blow off steam about all the devious (and sometimes just ignorant) ways the truth is bent to prove a point by some in the media, politics, sales, environmental activism, organized religion, web site authoring, etc."