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It presents Columbia Labs’ background, quality control, and accreditation highlights, then details Oregon requirements for pre-harvest sampling within 28 days, THC thresholds, composite harvest-lot sampling, and submission of complete forms. It also summarizes post-harvest testing needs for final products versus biomass handlers, plus booking steps and contact points.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/preharvest-2021-columbia-labs-cannabis-and-hemp-department/464075/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/preharvest-2021-columbia-labs-cannabis-and-hemp-department/464075.png","ImageObject",300,407,{"name":92,"@type":93},"Jiven","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-07","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the pre-harvest sampling timeline and required lab certification in Oregon?","Question",{"text":112,"@type":113},"Pre-harvest in-field testing must be sampled by an ORELAP certified lab and the sampling event must occur within 28 days of harvest.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What THC limits determine whether hemp passes pre-harvest testing?",{"text":117,"@type":113},"Oregon requires hemp to test below 0.35% Total THC to be classified as hemp, and the sample must test at less than 0.3% TOTAL THC to pass; labs report to two decimal places.",{"name":119,"@type":110,"acceptedAnswer":120},"When is post-harvest testing required for growers and what does it include?",{"text":121,"@type":113},"Post-harvest testing is required when hemp is sold as a final product (example: smokable), using batch testing (30 lb) with potency, pesticides, moisture, and water activity, with one composited sample per batch. If selling biomass to a handler for further processing, batch testing is not required.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},464075,1790767631,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":24,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":143,"preview_page_count":4},1099513958607,"https://ap-avatar.wpscdn.com/avatar/100002390cf8733938c?x-image-process=image/resize,m_fixed,w_180,h_180&k=1778829742770036399","COLUMBIA LABORATORIES-CANNABIS  \nFormerly Pixis Labs  \nOregon Environmental Laboratory Accreditation Program (OR100028)  \nOregon Liquor Control Commission (License\\# 1003224D558)  \n12423 NE Whitaker Way  \nPortland OR 97230  \n(503) 254-1794  \nThank you for considering Columbia Labs for your pre-harvest sampling and potency testing. Our aim is to provide you with attentive service, diligent sampling, and accurate reports.  \nWith more than 500 registered hemp growers in Oregon, it is imperative to understand the regulations and get scheduled ASAP.  \nAbout Columbia Labs   \nColumbia Labs (formerly Pixis Labs & Columbia Food Labs) is in Portland, OR. We are the only“agricultural/ nutritional/ environmental lab” with a cannabis department; and the only “cannabis lab”with multiple service lines, including nutritional testing, microbiology and heavy metals.  \nWe are proud to apply nearly 40 years of agricultural testing expertise to the hemp industry. We provide reliable, unbiased, third party results that standardize the industry. And we can prove it.  \nWhy Use CL   \nColumbia Labs was the first lab to get ORELAP certified for cannabis testing; and the first to get cannabis analyses ISO 2017 accredited. Columbia Labs operates under strict quality control parameters to provide consistent, dependable data.  \n2018 season was the first time that ORELAP certified, independent labs sampled and tested hemp for preharvest compliance. OregonCBD published a white paper comparing the accredited labs and,  \n“(Were) not surprised to find that the lab with the lowest LOQs, Pixis Labs, produced results in agreement  \nwith the population average.”  \nWe also stood out the University of Kentucky’s Hemp Potency Proficiency Study. Our report card validated our methods as true and precise. We are happy to share that data with you.  \nWorking with CL   \nWe will do our best to communicate and respond to your sampling needs. Please review this packet and  \ncontact our sampling department with any questions: [sampling.cfl@tentamus.com](sampling.cfl@tentamus.com)  \nFor post-harvest testing, Columbia Labs is the one-stop-shop for quality analysis on raw materials or any infused matrix; from biomass to extracts, topicals to edibles. We have catered our services to the CBD industry and offer a variety of testing profiles for different regulations. For questions about post-harvest  \ntesting, please contact client [services.](services. kelly.oconnor@tentamus.com)[ ](services. kelly.oconnor@tentamus.com)[kelly.oconnor@tentamus.com](services. kelly.oconnor@tentamus.com)[ ](services. kelly.oconnor@tentamus.com)Thank you and Happy Harvest,  \nColumbia Laboratories-Cannabis and Hemp Department  \nHEMP TESTING INFORMATION  \nWe encourage you to get regulation facts directly from, the Oregon Department of Agriculture.  \n“ODA established a statewide hemp program in 2015, under the 2014 Farm Bill. ODA will continue to  \noperate under this program for 2020.” --ODA HEMP WEB SITE Preharvest:  \n• In-field testing must be sampled by an ORELAP certified lab and tested for Potency.  \n• Sampling event must be within 28 days of harvest.  \n• Flower must be present to sample, but the whole field does not have to be flowering.  \n• ODA requires that the hemp must be test with less than .35% Total THC to be classified as hemp.  \n• Columbia Labs will report results to the ODA as either pass or fail.  \n• To pass, the sample must test at less than 0.3% TOTAL THC.  \no ODA will not consider it a fail so long as it is below 0.35% .  \no Labs are to report to two decimal places.  \no OAR 333-064-0100(4)  \n• Columbia Labs will composite one sample per “harvest lot.”  \no Prior to sampling, the laboratory shall survey the site to identify the conditions to determine the appropriate sampling procedure.  \n• Complete all forms and submit first for the fastest response.  \nPost-harvest:  \nReference: 603-048-2300  \n• “These rules require industrial hemp for human consumption and hemp items to be sampled, teste","cbCaipN1NV9clYJH","https://ap.wps.com/l/cbCaipN1NV9clYJH","pdf",542760,"English","# Pre-Harvest Sampling and Potency Testing\n## Why Use Columbia Labs (CL)\n## Working with CL\n## Hemp Testing Information\n### Pre-harvest requirements\n### Post-harvest requirements\n## Harvest Lot definition\n## Let’s Get Started (CS Labs sampling coordination)\n## Booking step-by-step","[{\"question\":\"What is the pre-harvest sampling timeline and required lab certification in Oregon?\",\"answer\":\"Pre-harvest in-field testing must be sampled by an ORELAP certified lab and the sampling event must occur within 28 days of harvest.\"},{\"question\":\"What THC limits determine whether hemp passes pre-harvest testing?\",\"answer\":\"Oregon requires hemp to test below 0.35% Total THC to be classified as hemp, and the sample must test at less than 0.3% TOTAL THC to pass; labs report to two decimal places.\"},{\"question\":\"When is post-harvest testing required for growers and what does it include?\",\"answer\":\"Post-harvest testing is required when hemp is sold as a final product (example: smokable), using batch testing (30 lb) with potency, pesticides, moisture, and water activity, with one composited sample per batch. If selling biomass to a handler for further processing, batch testing is not required.\"}]","Preharvest 2021 - Columbia Labs Cannabis and Hemp Department | PDF",13]