T/CAS 658-2022 Active Group standards

T/CAS 658-2022 Car cockpit microbiological detection methods and management indicators

Publish Date: 2022-11-03 Implement Date: 2022-11-03 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CAS 658-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Vehicles

ICS Name: Comprehensive Road Vehicles

Publish Date: 2022-11-03

Implement Date: 2022-11-03

Scope

Scope: This standard specifies the detection steps and recommended microbial limits for the total bacterial count, Escherichia coli, Staphylococcus aureus, and total fungi in automotive cabins. This standard applies to the determination of the total bacterial count, Escherichia coli, Staphylococcus aureus, and total fungi in automotive cabins. Main technical content: 1. Scope: This standard specifies the detection steps and recommended microbial limits for the total bacterial count, Escherichia coli, Staphylococcus aureus, and total fungi in automotive cabins. This standard applies to the determination of the total bacterial count, Escherichia coli, Staphylococcus aureus, and total fungi in automotive cabins. 2. Normative reference documents: The following documents are essential for the application of this document. For documents with a date, only the version with the specified date applies to this document. For documents without a date, the latest version (including all amendments) applies to this document. GB/T 18204.4-2013 "Hygiene Inspection Methods for Public Places" Part 4: Microorganisms in Public Utensils 3. Terms and definitions: The following terms and definitions apply to this document. 3.1 Total bacterial count: The total number of mesophilic aerobic and facultative anaerobic colonies that grow and develop on nutrient agar medium at 35℃ to 37℃ for 48 hours after sampling in automotive cabins. [GB/T 18204.4-2013, Definition 2.1] 3.2 Escherichia coli: Gram-negative, sporeless rods that can ferment lactose, produce acid and gas, and are aerobic and facultative anaerobic under 37℃ for 24 hours. [GB/T 18204.4-2013, Definition 2.2] 3.3 Staphylococcus aureus: Gram-positive cocci that grow well on Baird Parker medium or blood agar medium, hydrolyze mannitol, and are positive for plasma coagulase. [GB/T 18204.4-2013, Definition 2.3] 3.4 Total fungi count: The total number of fungi in automotive cabins.