T/CAS 421-2020 Active Group standards

T/CAS 421-2020 Car washing sewage discharge standard

Publish Date: 2020-06-03 Implement Date: 2020-06-03 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 421-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nPollutant emission standards

ICS Name: \nWastewater

Publish Date: 2020-06-03

Implement Date: 2020-06-03

Scope

Scope: This standard specifies the terms and definitions, requirements, and test methods for the discharge of car wash wastewater. This standard applies to environmental protection supervision and inspection departments, automotive aftermarket beauty and car wash service enterprises, automotive maintenance product manufacturers, and other operators. Main technical content: 1. Scope This standard specifies the terms and definitions, requirements, and test methods for the discharge of car wash wastewater. It applies to environmental protection supervision and inspection departments, automotive aftermarket beauty and car wash service enterprises, automotive maintenance product manufacturers, and other operators. 2. Normative references The following documents are essential for the application of this document. For dated references, only the version dated is applicable to this document. For undated references, the latest version (including all amendments) is applicable to this document. - GB/T 6920: Determination of pH value in water by glass electrode method - GB/T 7466: Determination of total chromium in water - GB/T 7467: Determination of hexavalent chromium in water by dianisidine hydrochloride spectrophotometry - GB/T 7475: Determination of copper, zinc, lead, and cadmium in water by atomic absorption spectroscopy - GB/T 7485: Determination of total arsenic in water by silver diethyl dithiocarbamate spectrophotometry - GB/T 7494: Determination of anionic surfactants in water by methylene blue spectrophotometry - GB/T 11893: Determination of total phosphorus in water by ammonium molybdate spectrophotometry - GB/T 11901: Determination of suspended solids in water by gravimetric method - GB/T 11903: Determination of color in water by spectrophotometry - GB/T 31195: Determination of chemical oxygen demand in high-chlorine and high-ammonia wastewater by chloride ion correction method - HJ/T 70: Determination of chemical oxygen demand i

Development Information

Related Standards

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