GB/T 5750.8-2006#Standard test methods for drinking water - Organic matter indicators # Drinking water and related products # 1,1,1, - Trichloroethane
HJ 639-2012#Water quality - Determination of volatile organic compounds - Purge capture/gas chromatography-mass spectrometry method - Water (including atmospheric precipitation and groundwater) and wastewater - # 1,1,1, - trichloroethane
HJ 605-2011#Determination of volatile organic compounds in soil and sediment - Purge trap/gas chromatography-mass spectrometry method # Soil and sediment # 1,1,1, - trichloroethane
Environmental Office Soil Letter [2017] No. 1625#Technical Regulations for Soil Sample Analysis and Testing Methods for National Soil Pollution Survey Part 2: 4 Volatile Organic Compounds (VOCs)/4-1 Headspace/Gas Chromatography-Mass Spectrometry; 4-2 Purge and Trap/Gas Chromatography-Mass Spectrometry # Soil and Sediments # 1,1,1, - Trichloroethane
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBAIJIAN inspection and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China