A reference concentration (RfC) of 0.05 µg/m3 (EPA 1995) for chronic inhalation exposure was calculated from a human LOAEL of 0.05 mg/m3 for impairment of neurobehavioral function from an epidemiological study by Roels in1992. The study population was occupationally exposed to airborne manganese dust with a median concentration of 0.948 mg/m3 for 0.2 to 17.7 years with a mean duration of 5.3 years. Neurological examinations, psychomotor tests, lung function tests, blood tests, and urine tests were used to determine the possible effects of exposure. Slowed reaction time and poor hand eye coordination were noted side effects. As well as decreased motor skill function.
Although the amount of exposure required to produce a toxic effect is in dispute, it is clear that employers and manufacturers should immediately begin working together to prevent Manganism through proper safety and ventilation systems.
If you have been exposed to manganese fumes and suffer from symptoms of Manganism or Parkinson's disease, you may be entitled to monetary compensation. To contact an attorney who will review your claim fill out our free case evaluation form provided below. An attorney with the Sheff Law Offices, P.C. will review your claim and may contact you to discuss your rights.
Free Manganese Exposure Limits Consultation
Personal Information:
Date of Birth / Age:
(ex. mm/dd/yyyy or 54)
Are you inquiring for yourself?
Yes No
If not, who are you
inquiring on behalf of?
If you are NOT inquiring on your own behalf,
what is your relationship to the injured person?
Is the person deceased?
Yes No
If deceased, what is the cause of death
as stated on the death certificate:
Date of Death:
(ex. mm/dd/yyyy)
Was an autopsy performed?
Yes No
If not deceased, does the
injury prevent you or the
victim from working?
Yes No
If yes, when did you/victim stop working?
What is the approximate lost wages
due to the injury?
Symptom Information:
How long were you a welder for? years
What were the
dates of exposure?*
Begin:
End:
City where you worked:
*
State where you worked:
*
What types of welding have you done before?
(Ex. MIG, TIG, Steel, Alloy, Other)
What BRANDS and TYPES of welding rods do you remember using?
Have you experienced any of the following symptoms?
Please check all that apply:
Tremors in any extremity?
Yes No
If yes, please explain:
Rigidity in hands, arms,
legs, or upper body?
Yes No
If yes, please explain:
Gait (Walking) Disturbances?
Yes No
If yes, please explain:
Facial Effects?
Yes No
If yes, please explain:
Speech Disorders?
Yes No
If yes, please explain:
Sexual Dysfunction?
Yes No
If yes, please explain:
Other Symptoms?
Yes No
If you have any medical problems that you feel
may be related, please explain:
Have you ever had an
MRI of the brain?
Yes No
Have you ever received medical
care for any of your symptoms?
Yes No
Have you been diagnosed with any of the following conditions?
Manganism
Manganese Toxicity
Parkinson's Disease
Parkinsons-Like Syndrome
Parkinsonism
Other Neurological Disease
What was the date of diagnosis?
Case Description*
Please explain exactly what happened, trying to state
as thoroughly as possible who you believe was responsible
and why you believe that person was negligent:
Please explain the full extent of the victims injuries:
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