hi there i am a chronic cluster headache sufferer and i worked on a electro chemical machine for 8 years,after 4 years i started getting very painfull headaches,i went to a neurologist and he diagnosed me with cluster headaches.after reaserch on my machine i was exposed to
ammonia gas given off from sodium nitrate in the water,the ph level was 12 when i found out after ph of 7 ammonia gas is given off,i was not protected by any ppe.