Batch One of SymSoil™ Robust Compost has almost no heavy metals. More details to be found at SymSoil.com
Below is a table which details each element, and contrasts this with in contrast California’s Maximum Allowable levels. The trace amounts average less than 5% of legal allowable limit, and are believed to have originated with the OMRI certified Jepson Prairie used in the manufacturing of SymSoil™ Batch One.
Concentration on a Dry Weight Basis
|Chromium (Cr)||27||No Limit|
This five page memo gives more details
Memo on heavy metals
Pages 2 & 3 are independent soil chemistry report from Soil Control Labs, which detail the three tests they performed for metals. Pages 4 & 5 include the statute from the State regarding these metals .