GB/T 27522-2023Technical specification for monitoring sewage from livestock and poultry farm (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting.

This document replaces GB/T 27522-2011 "Technical Specifications for Sampling of Livestock and Poultry Breeding Sewage". Compared with GB/T 27522-2011, except In addition to structural adjustments and editorial changes, the main technical changes are as follows.

a) Increased monitoring program development (see Chapter 4);

b) Added monitoring items (see Chapter 5);

c) Increased resource utilization sampling layout (see 6.1);

d) Change the sampling layout of sewage treatment facilities (see 6.2, 4.2.1 of the 2011 edition);

e) The sampling points without sewage treatment facilities are deleted (see 4.2.2 of the 2011 edition);

f) Changed sample collection (see Chapter 7, Chapter 4 of the 2011 edition);

g) Increased sampling safety (see 7.3.4);

h) Changed sample transportation, handover and storage (see Chapter 8, Chapter 5 and Chapter 6 of the 2011 edition);

i) Added test methods (see Chapter 9);

j) Increased quality control (see Chapter 10);

k) Increased verification method (see Chapter 11);

l) The storage and sample size requirements for sewage samples have been increased (see Appendix A).

1 Scope

This document stipulates the monitoring plan formulation, monitoring items, sampling distribution, sample collection, sample transportation, handover and maintenance of livestock and poultry breeding sewage.

It describes the test methods and verification methods for livestock and poultry breeding sewage monitoring.

This document is applicable to the utilization of livestock and poultry breeding wastewater as a resource, the standard discharge and the monitoring of farmland irrigation. Monitoring parameters for resource utilization of manure slurry as used.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB 5084 Farmland Irrigation Water Quality Standard

GB 18596 Pollutant Discharge Standards for Livestock and Poultry Breeding Industry

GB/T 25246 Technical Specifications for Returning Livestock and Poultry Manure

GB/T 40750 Agricultural biogas slurry

HJ 576 Technical specifications for anaerobic-anoxic-aerobic activated sludge process sewage treatment engineering

NY/T 2596 Biogas fertilizer

3 Terms and Definitions

The following terms and definitions apply to this document.

4 Monitoring plan formulation

Before carrying out monitoring work, a monitoring program should be formulated. The monitoring plan should specify the monitoring purpose, on-site investigation content, monitoring items, sampling methods