Arsenic Study:
Compound |
Soil
Screening Levels (SSL)* |
Levels
(ppm) in |
Levels
(ppm) after |
|
(EPA-s
guidance values) |
color
concentrate |
application
on mulch |
Arsenic |
0.4
ppm |
45-48
ppm |
0.225-0.24
ppm |
| • |
Soil
screening levels based on direct ingestion of soil. |
| • |
Based
on arsenic data - the arsenic levels detected after application
on mulch are below EPA Superfund soil screening levels
(SSL). SSL levels were used as guidelines for this data
interpretation. |
| • |
Table
A-1 (in the link below) provides generic soil screening
levels (SSL) for impurities. |
http://www.epa.gov/superfund/resources/soil/appd_a.pdf
Toxicity
Studies | Heavy Metal & VOC Studies | Arsenic
Study
