Here in New York State, we have a similar problem with what the rules are
and one company, Panamerican Consultants, Inc. applied for and received a
grant to draw up the various work-place hazards people in the field might
encounter.

I am not sure about the availability of copies but they may provide them,
perhaps for a small fee?

"Health and Safety For Archaeologists And CRM Professionals: Produced
Through a Grant From The New York State Occupational Safety and Health
Training and Education Program. Contract Number: C008414"

Prepared By: Panamerican Environmental, Inc. and Panamerican Consultants,
Inc., 1999. Phone (716) 821-1650

AND

"Health and Safety For Archaeologists And CRM Professionals: Supplemental
Material: Produced Through a Grant From The New York State Occupational
Safety and Health Training and Education Program. Contract Number: C008859"
Prepared By: Panamerican Consultants, Inc., and Panamerican Environmental,
Inc. 2001. Corporate Headquarters Tuscaloosa, Alabama 205-556-3096.

Interesting, covers almost everything except, literally, the birds and the
bees.

George Myers