Specialized PT for mycotoxin testing in nuts is critical for ensuring food safety.
Proficiency testing for meat, dairy, fruit & vegetables purees to ensure accurate detection of pathogens, contaminants, and quality markers to meet USDA and FDA standards.
Cannabis testing for potency, contaminants, and microbial safety (e.g., yeast and mold) using USP-aligned methods.
S & A offers a comprehensive catalog of proficiency testing (PT) programs tailored for testing laboratories. Discover our PT solutions for cannabis, food, nuts, and mold testing, utilizing USP-based methods.
Order a PT through our customer portal. Click "Request New Account" below the Sign-In button to create your S&A Scientific account and access all PT features.
Need PT on a tight deadline? Order Express PT through our customer portal. If you don’t have an account yet, click “Request New Account” below the sign in button to create your profile and access all Express PT features.
Get proficiency testing that fits your exact needs. When standard PT programs don’t fit your lab’s workflow, our Custom PTs provide fully tailored analytes, matrices, and schedules.
Press the button below to access the full 2026 PT catalog.