Why 85% of institutional & restoration bids fail inspection on Engineered Rain Garden & Bioretention Topsoil Mix (Silica Sand, Leaf Compost & Mycorrhizae)—and how our 8-farm COA-verified lot solves it. Official Apothecary Supply monograph for Engineered Rain Garden & Bioretention Topsoil Mix — Silica Sand (25 Cu. Yd. Super-Sacks) [HERB-148] (Silica Sand, Leaf Compost & Mycorrhizae • HERB-148).
1. 3-Stage Botanical Preparation & Extraction Protocol (HERB-148)
Stage 1 — Audit: Single-farm nursery/seed stockouts, unverified bulk weight (vs. Pure Live Seed PLS), and lack of statutory compliance tags disqualify 85% of contractors & institutional buyers. Solved via 8-Co-Op Domestic Redundancy with PA DEP / Municipal Stormwater Spec Tested • Sieve & Organic Matter COA.
Stage 2 — Preparation & Extraction Spec: Pack Spec: 25 Cu. Yd. Bulk Super-Sack / Dump Load | Compliance: PA DEP / Municipal Stormwater Spec Tested • Sieve & Organic Matter COA
Stage 3 — Storage: Store in airtight Miron glass or barrier packaging (aw <0.55 at 60–68°F).
Shop HERB-148 ($1,750.00) → | 230-SKU Hub → | B2B 5-Herb Sample Box ($29.95 S&H) →
2. Five-Panel Certificate of Analysis (COA) Specification Table
| Panel | Method | Release Specification |
|---|---|---|
| 1. Botanical Identity | HPTLC / ITIS | 100% Match to Silica Sand, Leaf Compost & Mycorrhizae |
| 2. Heavy Metals | ICP-MS (USP <232>/<233>) | Pb <0.5, As <0.2, Cd <0.1, Hg <0.05 ppm |
| 3. Pesticides | USP <561> GC/LC-MS | Non-Detect (ND); Non-Irradiated |
| 4. Microbials | USP <2021>/<2022> | Absent Salmonella/E. coli; aw <0.55 |
| 5. Potency / Viability | HPLC / GC-MS / AOSA | Pack Spec: 25 Cu. Yd. Bulk Super-Sack / Dump Load | Compliance: PA DEP / Municipal Stormwater Spec Tested • Sieve & Organic Matter COA |
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
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