Check out the symptom lists under the 1000+ hair tests at this site that is used by heavy metal detox groups.

Honestly if you just have sinus issues, that does not sound like a heavy metal (HM) problem. People with a HM problem bad enough to not be able to work full time typically have a list of seemingly unrelated problems.

Digestive tract problems and food insensitivities are almost always reported.

Poor stress tolerance is very common. For some they become "difficult" and intense; others have anxiety.

There is virtually always mood problems. The brain had hormone related systems are so vulnerable to HMs. It is not surprising. It is just chemistry.

People tend to become more introverted and less social.

They usually report a decrease in their memory and learning capacity.

Check out the symptoms described by these people who reported impressive gains.

I followed the cases of this woman and her husband from during their membership in the large Yahoo detox suppport group. They, like most people recovering from a HM problem, had difficult times along the way.
https://groups.yahoo.com/neo/groups/frequent-dose-chelation/conversations/top...

This man is a scientist and not surprisingly documented his case quite well He reported it at a 2010 US FDA hearing on dental amalgam.
http://www.mercuryexposure.info/consumers/injured-consumers/item/521-californ...

I've more commonly seen this symptom list in people whose hair test has more than a little arsenic along with the likely involvement of Hg. They usually take years to recover.
http://howirecovered.com/meet-patti-who-recovered-from-mercury-poisoning/

There are many links to encouraging reports in the Links: Chelation Progress Reports section of the Yahoo Frequent Dose Chelation group.

Joe