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BP Spill Blood Test Results - Louisiana Residents

Post: January 05 2011 in: Public Health

Evaluation of the Results of Whole Blood Volatile Solvents Testing
By Wilma Subra
Subra Company
for the
Louisiana Environmental Action Network

Samples of blood were collected on December 16, 2010, from four males, age 3, 36, 42 and 43, and one female, age 38.  The individuals tested  were a diver who came in contact with the BP spill chemicals, individuals who visited the coastal communities and wetlands, documenting the impacts of the BP spill, and individuals exposed along the beaches.   The whole blood samples were analyzed for Volatile Solvents by Method 0762, Gas Chromatography/Mass Spectrometry, by Metametrix Clinical Laboratory in Duluth, Georgia


Ethylbenzene

Ethylbenzene was detected in all five blood samples in excess of the NHANES 95th Percentile value.  The male diver had the highest concentration of Ethylbenzene, 0.63 ppb, which was 5.7 times the 95th Percentile NHANES value.  The male diver also had the highest value of Ethylbenzene when compared to the other 9 individuals whose blood had been previously tested (1.3 times the highest previous value).  The previous samplings of blood for volatile solvents were performed on residents exposed along the coast and BP cleanup workers.

 

The second highest concentration  of Ethylbenzene was 3.3  times the 95th Percentile and occurred in the 3 year old male.  The third highest concentration of Ethylbenzene was 2.8 times the 95th Percentile and occurred in the 38 year old female.


m,p-Xylene

m,p-Xylene was detected in four of the five blood samples in excess of the NHANES 95th Percentile value.  The male diver had the highest concentration of m,p-Xylene, 1.93 ppb, which was 5.68 times the 95th Percentile NHANES value.  The male diver also had the highest value of m,p-Xylene when compared to the other 9 individuals whose blood had been previously tested (1.5 times the highest previous value).  The 36 year old male did not have detectable levels of m,p-Xylene.


Hexane

Hexane was detected in all five blood samples.  The highest concentration of Hexane in the blood occurred in the 3 year old male and the 36 year old male..  The hexane concentrations in the blood of the 3 year old male and 36 year old male were in the 40th Percentile.  The Hexane values detected in the five blood samples fell in the same range as the previous 9 blood samples.


2-Methylpentane

The concentrations of 2-Methylpentane were highest in the 3 year old male and 36 year old male.  The 2-Methylpentane values in the 3 year old male and 36 year old male were elevated and  in the 82nd Percentile.  The 2-Methylpentane values were in the same range as the previous nine blood samples analyzed.


3-Methylpentane

The concentrations of 3-Methylpentane were highest in the 36 year old male.  The 36 year old male value was in the 2nd Percentile.


Isooctane

The highest concentration of Isooctane occurred in the male diver and was in the 3rd Percentile.  The Isooctane values were in the same range as previous blood samples examined.


Conclusions

All five individuals tested had Ethylbenzene in their blood in excess of the NHANES 95th Percentile.  Four of the five individuals tested had m,p-Xylene in their blood in excess of the NHANES 95th Percentile.

All five individuals had Hexane, 2-Methylpentane, 3-Methylpentane, and isooctane in their blood.

The diver had the highest concentration of Ethylbenzene, m,p-Xylene and Isooctane in his blood.  The 3 year old male and 36 year old male had the highest concentrations of Hexane, 2-Methylpentane and 3-Methylpentane.

The Ethylbenzene, m,p-Xylene and Hexane correlate to the volatile organic chemicals in the BP Crude Oil.  The blood of all five individuals had chemicals that corresponded to the chemicals in the BP Crude Oil.


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