Can workplace chemical exposure back in the early 1980s that led to my permanent disability still be litigated?

I'm 65 years old and permanently disabled from exposure to a chemical I used at work from 1980-86. Symptoms began in1990; when showering, water hitting my right foot hurt. Over time pain spread throughout my entire body even my arms hands and head. walking became so difficult & painful I had to seek help from doctor.I have been in a wheelchair since 2003, unable to walk at all. Doctor has prescribed me the max amount of pain meds,yet I am still in pain 24/ 7. Many tests done, doctors all baffled as to cause. Only very recently I discovered cause when seeing news on CNN regarding a town's lawsuit with the use of chemical Penta. I recognized that name from the 5 gal. buckets of stain I used extensively at my job.I'd come home at night soaked from head to toe, we used sprayers to apply. I looked up Penta online & found it causes nerve damage, which is what I have big time. Do I have any recourse? We now live in poverty, on food stamps and losing ground with bills every day. NEED HELP