Search Frequent Questions

Filter By:

Active filters:

Remove all filters

Displaying 16 - 22 of 22 results

  • What else can cause urine to test positive for thiodiglycolic acid?

    Thiodiglycolic acid is commonly found in general populations who have not been exposed to vinyl chloride. Some sources can include: Certain foods including raw onions, meat, poultry, and seafood. Some medications, including Zyrtec, and vitamins. Alcoholic beverages. Smoke including from wood fireplaces, cooking, and cigarettes. Some household products including paints…

    • Last published:

  • If I get a urine test, what does that indicate?

    If I get a urine test, what does that indicate? Urine tests show the level of thiodiglycolic acid–a break-down product of vinyl chloride. A complete lab report will show your thiodiglyocolic acid results compared to the normal range commonly found in people in the United States. But this test does…

    • Last published:

  • Can I grow a garden at home and eat the produce?

    Yes. You can continue to use your yard as you normally would. Residential soil sampling results are within typical ranges for the area, and garden plants are generally considered safe to eat. Follow normal measures like peeling carrots and root vegetables and washing leafy greens.

    • Last published:

  • Can I use other recreational areas in Ohio and Pennsylvania?

    Yes. Samples collected on impacted properties and local background locations have shown no results of concern on recreational, commercial, and agricultural properties. Some elevated levels have been detected on the public right-of-way (next to roads and highways) and may be assessed further.

    • Last published:

  • Why do mobile source NOx emissions jump higher between 2001 and 2002 on the emissions trends?

    The emissions model used for mobile sources changed from MOBILE6.2 to MOVES 2010 in December 2009. This change included a notable increase in NOx emissions. The EPA adjusted data back to 2002 to reflect the change in models. The higher emissions in 2002 are because of this method change and…

    • Last published:

  • I heard there was some new data on dioxin, what does it mean?

    EPA reviewed a presentation from an independent party offered at a recent community meeting that included confusing information. The high value highlighted, over 600,000 parts per trillion, was not the dioxin “toxic equivalency” (TEQ) value that is commonly used to compare soil data to appropriate standards, which is what EPA…

    • Last published:

  • Why do the PM2.5 emissions for the electric utilities source category jump up between 1998 and 1999?

    The estimation method for PM emissions from fuel combustion sources was enhanced beginning with the 1999 National Emissions Inventory. Prior to 1999, the emissions measurement data methodology only included the filterable portion (which means the solid particle matter at elevated stack temperatures). Beginning with the 1999 NEI, both the filterable…

    • Last published: