Skip to Main Content
CA.gov
Official website of the
State of California
Menu
Custom Google Search
Submit
Close
CDFA Programs
Animal Health & Food Safety Services Division (AHFSS)
Homepage
Division of Measurement Standards (DMS)
Homepage
Office of Grant Administration
Homepage
Citrus Pest & Disease Prevention Division (CPDPD)
Homepage
Farm Equity Homepage
Pierce's Disease Control Program (PDCP)
Homepage
County Relations Office
Homepage
Inspection Services Division
Homepage
Plant Health & Pest Prevention Services Division (PHPPS)
Homepage
Division of Marketing Services (MSD) / Fairs & Expositions (F&E)
Office of Agricultural Resilience and Sustainability (OARS)
Homepage
State Board of Food & Agriculture
Homepage
Inspection Services
The Center for Analytical Chemistry
Feed, Fertilizer & Livestock Drugs Regulatory Services Branch (FFLDRS)
Inspection & Compliance Branch
Contact Inspection Services
Programs
California Citrus Program
Certified Farmers Market Program
Commercial Feed Regulatory Program (CFRP)
Livestock Drug Program
Fertilizing Materials Inspection Program
Fertilizer Research & Education Program (FREP)
California Organic Program
Safe Animal Feed Education Program (SAFE)
California Shipping Point Program (SPI)
Standardization Program
Produce Safety Program
Food Recovery
Apply/Register
ISD
Laws
Feed, Fertilizer, and Livestock Drugs Regulatory Services
Inspection and Compliance
ISD
Meetings
CDFA Home
IS
CAC
Methods & Recent Publications
Methods & Recent Publications
Methods
Heavy Metals
Analysis of Heavy Metals by ICP-MS
Heavy Metal Sample Preparation and Extraction
Micronutrients / Secondary Nutrients
Analysis of Minerals by ICP-OES
Extraction of Fertilizers for Mineral Analysis using ICP-OES
Silicon
Total Sulfur by Combustion using the Leco Analyzer
Gravimetric Analysis of Total Sulfur
Anions-IC (Determination of Inorganic Anions by Ion Chromatography)
Water Soluble Calcium
Primary Nutrients
Total Nitrogen Analysis by Combustion
Ammoniacal Nitrogen in Fertilizer
Available Phosphate and Soluble Potash in Fertilizer via ICP-OES
Total Phosphorus in Fertilizer
Urea Nitrogen in Fertilizer Samples
Water-Insoluble & Water-Soluble Nitrogen in Fertilizer using micro-Kjeldahl
Sample Preparation (Dry and Liquid)
Feed & Fertilizer Sample Receipt and Log-In
Sample Preparation, Storage, and Disposal
Miscellaneous
Density
Determination of Calcium Carbonate Equivalence
Gypsum Equivalent
Humic Acid Analysis
Moisture / Free Water Analysis in Fertilizer
Organic Matter Analysis
pH Analysis of Liquid Fertilizer Sample
Recent Publications
Research Publications
ACS Multilaboratory Collaborative Study
, Roland Carlson, 10-28-2021
Development of an Improved Method of Sample Extraction and Quantitation of Multi-Mycotoxin in Feed by LC-MS/MS
, Bahar Nakhjavan, Nighat Sami Ahmed and Maryam Khosravifard, Toxins,
2020
, 12, 462.
Optimization of a Multi-Residue Analysis of 65 Pesticides in Surface Water Using Solid Phase Extraction by LC-MS/MS
, Bahar Nakhjavan, Jason Bland and Maryam Khosravifard, Molecules,
2021
, 26, 6627.
Director
Natalie Krout-Greenberg
Inspection Services Division
View her biography
Methods & Recent Publications
CAC Clients
CAC Outreach and Engagement
Client Links
USDA – Pesticide Detection Program
Department of Pesticide Regulation
Water Resources Control Board
Fertilizer Inspection Advisory Board
AOAC - CAC sample analysis for the Association of Analytical Collaboration's (AOAC) Proficiency Testing program.
CA State Organic Program
Pest Detection and Emergency Projects
Citrus Pest Disease and Prevention
Integrated Pest Control
Pierce's Disease Control Program
Citrus Inspection Program
About Us
Our Mission, Strategic Direction & Annual Report
Inspection & Compliance
Center for Analytical Chemistry
Feed, Fertilizer and Livestock Drug Regulatory Services
Office of Farm to Fork
Contact US
External Links
U. S. Department of Agriculture
U. S. Food and Drug Administration
CA Dept. of Pesticide Regulation
CA Dept. of Public Health
University of California - Davis
Western Institute for Food Safety and Security
Organic Fertilizer Association of California