Cinderite is certified organic by OMRI as well as TORC.
(Click here for OMRI Certification)
In order for a soil amendment to be certified ORGANIC, it must have very low traces of heavy metals such as arsenic, cadmium, lead and other potentially harmful metals. Cinderite is well below the acceptable levels on all metals of concern.
Here is a link to our lab testing showing low levels of heavy metals.
(Waypoint Lab Testing Results OCT 2020)