China Test Code (Slag) [2011] No. A-1 / 1

Test Report

No: China Test Code (Slag)[2011]No.A-1

Consignor: Guangxi Dishengjin Chemical IndustryCo., LTD.

Test Type: Samples sent for test

Report Date: Feb 24. 2011

Guangxi Huazhixia Environmental Consulting Co., LTD.

Environmental Analysis and Test Center (Seal here)

Ⅰ.Basic Information of the Test

Consignor
Info / Name / Guangxi Dishengjin Chemical Industry Co., LTD.
Address / — / Post Code / —
Contactor / Qixiang Huang / Contact No. / 13907719998
Consignee
Info / Name / —
Address / — / Post code / —
Contactor / — / Contact No. / —
Test Type / Samples sent for test
Test Basis / HJ557-2009, solid waste leaching toxicity method, horizontal oscillation method
Sample
Illustration / Sample receipt time / Feb 16. 2011
Sample Amount / Two
Sample Name / Sample A is tile mill tailings; Sample B is Dayao Village tailings.
Sample Feature / Pale yellow solid, packed in plastic bag
Test Item / 1, Leaching toxicity analysis of 9 items, i.e. Cu, Zn, Pb, Cd, total Cr, As, Hg, hexavalent Cr, and Ni.
2, corrosivity analysis of pH value.
Analysis of TestEnvironment / Indoor temperature: 10.0~25.0℃, relative humidity: 50%~75%
Analysis of Test Time / Feb 16.2011~Feb 23.2011

Ⅱ. Technological Basis

Monitor and analytical method is shown in Form 2-1:

Form 2-1 Monitor Items and Analytical Method

No. / Item / Analytical method and resource / Test limit/
Test range
1 / pH value / Solid waste corrosivity test
Glass electrode method GB/T 15555.12-1995 / 0.01 pH
2 / Cu / Solid waste Test of like
Direct inhalation of flame atomic absorption method GB/T 15555.2-1995 / 0.08~4.0 mg/L
3 / Zn / 0.05~1.0 mg/L
4 / total Cr / Solid waste Test of total Chromium
Direct inhalation of flame atomic absorption spectrophotometry GB/T 15555.6-1995 / 0.08~3.0 mg/L

Form 2-1 Monitor Items and Analytical Method (Follow-up)

No. / Item / Analytical method and resource / Test limit/range
5 / Pb / Graphite furnace atomic absorption spectrometry
<Water and Effluent Monitoring Analysis Method> Fourth Edition, augmented edition / 1.0×10-3 mg/L
6 / Cd / 0.10×10-3 mg/L
7 / As / Atomic Fluorescence Spectrometry SL 327.1-2005 / 0.2×10-3 mg/L
8 / Hg / Atomic Fluorescence Spectrometry SL 327.2-2005 / 0.01×10-3 mg/L
9 / hexavalent Cr / Solid waste Test of hexavalent Cr
Diphenyl hydrazine spectrophotometry
GB/T 15555.4-1995 / 0.004 mg/L
10 / Ni / Solid waste Test of Ni
Direct inhalation of flame atomic absorption spectrophotometry GB/T 15555.5-1995 / 0.08~5.0 mg/L

Ⅲ.Test Apparatus

Apparatus is shown in Form 3-1.

Form 3-1 Apparatus Name, Model and No.

No. / Item / Apparatus Name / Model / No.
1 / pH value / Laboratory acidity juice / 4-star / HZX-YQ-006
2 / Cu,Zn,Pb,Cd, total Cr, Ni / Atomic absorption spectrometer / AAS ZEEnit 700 / HZX-YQ-039
3 / As, Hg / Atomic Fluorescence Spectrometer / AFS-830 / HZX-YQ-040
4 / hexavalent Cr / Visible spectrophotometer / VIS-723N / HZX-YQ-012

Ⅳ. Test Result

Sample leaching toxicity analysis and corrosivity analysis results are shown in Form 4-1, 4-2 respectively.

Form 4-1 Leaching Toxicity Analysis Result

No. / Test Item / Test Result (mg/L) / Hazardous ingredient consistency limit in leaching liquid (mg/L)
Tile mill tailings / Dayao Village slag
1 / Cu / 0.08 / 0.08 / 100
2 / Zn / 0.05L / 0.05L / 100
3 / Pb / 1.0×10-3 L / 1.0×10-3 L / 5
4 / Cd / 0.40×10-3 L / 0.10×10-3 L / 1
5 / Total Cr / 0.08L / 0.08L / 15
6 / As / 0.2×10-3 L / 0.2×10-3 L / 5

Form 4-1 Leaching Toxicity Analysis Result (Follow-up)

No. / Test Item / Test Result (mg/L) / Hazardous ingredient consistency Limit in leaching liquid (mg/L)
Tile mill tailings / Dayao Village slag
7 / Hg / 0.04×10-3 L / 0.01×10-3 L / 0.1
8 / Hexavalent Cr / 0.015 / 0.023 / 5
9 / Ni / 0.08L / 0.08L / 5

Note: 1, If test result is below test limit, add “L” after test limit;

2, Hazardous ingredient consistency limit in leaching liquid originates from GB 5085.3-2007 (hazardous waste identification standard, leaching toxicity identification)

Form 4-2 Corrosivity Analysis Result

No. / Test Item / Test Result (mg/L) / Corrosivity identification Standard Limit(dimensionless)
Tile mill tailings / Dayao Village slag
1 / pH value / 10.65 / 7.84 / 2.0<pH value<12.5

Ⅴ. Quality Guarantee Measures

The center passes through Provincial metrology accreditation and has acquiredMetrology Accreditation Certificate (No. 2008 20 0707U). Monitors are equipped with professional certificates. All the monitoring analysis apparatus are qualified for the periodical examination of Metrology Department. Quality control of monitoring data proceeds according to Quality Management System formulated by the center.

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