5 years ago49 CFR Part 40: §40.35 What Information About The DER Must Employers Provide To Collectors?worktraining
1 year agowhat are USA federal, state, county, & city, freight train crossing derailment speed & length limitswaptek
5 years ago49 CFR Part 40 Subpart K—Testing Sites, Forms, Equipment and Supplies Used in Alcohol Testingworktraining
5 years ago49 CFR Part 40: §40.67 When and How Is a Direct Observed Collection Conducted?worktraining
5 years ago49 CFR Part 40: §40.113 Where Is Other Information Concerning Laboratories Found In This Regulation?worktraining
5 years ago49 CFR Part 40 - §40.91 What Validity Tests Must Laboratories Conduct On Primary Specimens?worktraining
5 years ago49 CFR Part 40 - §40.97 What Do Laboratories Report And How Do They Report It?worktraining
5 years ago49 CFR Part 40 - 40.96 What Criteria Do Laboratories Use To Establish That a Specimen Is Invalid?worktraining