Standard No.:	DB 51/190-1993
English Name:	Water Pollutant Discharge Standard of Sichuan Province
Chinese Name:	四川省水污染物排放标准
Professional Classification:	DB    Provincial Standard
Issued on:	1994-4-1
Implemented on:	1994-4-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	5,000 words
Price(USD):	100.00
Delivery:	via email in 1 business day

1 Subject Content and Application Scope



1.1 This standard specifies specified emission limits of water pollutants and the relevant requirements.

1.2 This standard is applicable to all units discharging water pollutants (hereinafter referred to as "pollution discharge") in the administrative region of Sichuan Province.

1.3 The "new" pollutant discharging units mentioned in this standard refer to those being constructed, extended and renovated and subjected to technical renovation approved after the issuing of this standard; the "existing" pollutant discharging units refer to those having been constructed, under construction and been approved before the issuing of this standard.



2 Categorization and Grading in this Standard



2.1 Categorization of waters

Based on the self-purification capacity in dilution and specific water quality, this standard divides the surface waters in Sichuan into three categories which are as shown in Table 1.

1 Subject Content and Application Scope
2 Categorization and Grading in this Standard
3 Standard Values
4 Other Specifications
5 Implementation of Standards
6 Sampling and Monitoring
Additional Explanation