
Nevada Organic Phosphate Announces Continued Excellent Low Heavy Metal Assays for Drill Hole MM26-10 at Murdock Mountain and Promotional Activity Engagement
PRNewsWire
Published: Aug 31, 2026, 09:35 AM
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Nevada Organic Phosphate Inc. ("NOP" or the "Company") (CSE: NOP) (OTCQB: NOPFF) , a B.C. based leader in organic sedimentary phosphate exploration, is pleased to announce that the heavy metal contaminant assays from the Upper Phosphatic Zone in drill hole MM26-10 at Murdock Mountain, continue to demonstrate results well below the maximum allowed limits for Organic Fertilizer Certification. MM26‑10, a 1.5‑kilometre step‑out along strike at the Murdock Mountain project, returned another excellent intersection of 10.89% P 2 O 5 over 3.60 metres.
In the chart below, please note the SUIP #25 and the California values. NOP's Upper Phosphate Zone values are significantly lower than the maximum heavy metal values allowed.
Note: the assays displayed above are the actual assays for each sample interval. Values are in ppm unless otherwise noted.
Robin Dow, CEO, stated: "This is another solid intersection from MM26‑10 demonstrating that the Upper Phosphatic Zone continues to deliver predictable, clean, very low heavy metals content criteria suitable for Organic Certification. We continue to meet our objectives, positioning NOP as a genuinely differentiated entrant in the fertilizer market."
In the United States, organic certification is governed by the USDA National Organic Program (USDA-NOP). The USDA-NOP does not publish its own numeric heavy-metal limits for mineral fertilizers like rock phosphate. Instead, certifiers rely on two things: USDA-NOP 205.203(c) soil and plant amendments must not contaminate soil or crops with heavy metals. State fertilizer laws can vary, but almost universally adopt AAPFCO's SUIP #25 Heavy Metal Rule for determining whether a fertilizer is adulterated (AAPFCO, Association of American Plant Food Control Officials, created SUIP #25 to give states a consistent, science-based method for regulating heavy metals in fertilizers. It is not a law, but most states adopt it into their fertilizer programs). USDA Organic Certification: For organic production, a rock phosphate fertilizer must: Be mined, not chemically processed Not contain synthetic additives Not exceed heavy-metal levels that would contaminate soil or crops Typically meet SUIP #25 limits (this is what certifiers check) If a product meets these limits, it is generally acceptable for organic certification.
SUIP #25 sets limits per 1% P₂O₅. For fertilizer with 10% P₂O₅, multiply limit by 10.
Note: all values in ppm These are the maximum allowable concentrations before a phosphate fertilizer is considered adulterated under U.S. state fertilizer laws.
Lab Assaying Methods & QA/QC All sample preparation and analytical work was carried out by ALS Laboratories ("ALS"), an independent commercial laboratory accredited to ISO/IEC 17025:2017 for mineral analysis. Samples were delivered to the ALS Geochemistry in Elko, Nevada preparation facility and then forwarded to ALS Geochemistry in Vancouver for analysis. ALS operates under rigorous quality management systems and is regularly audited by recognized accreditation bodies, including the Standards ...
Source: PRNewsWire
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