CHEMICAL TRIAL ANALYSIS Summary report May 2013

Transcription

1 CHEMICAL TRIAL ANALYSIS Summary report May 2013

2 11 Priority Hazardous Chemicals Introduction AIM The aim of this study is to verify the presence of hazardous chemicals (11 priority chemicals) when best available chemistries by specific brands are used in the factories. HYPOTHESIS The hypothesis is that if we switch all chemicals with chemicals coming from suppliers who claim that the chemicals are free of the 11 priority hazardous chemicals (not intentionally used), then the presence of hazardous chemicals should be low to no presence at all when tested across the processing line; during and after processes. WHERE Bangladesh FACTORY TYPES Dyeing Mills Printing Mill TOTAL NUMBER OF FACTORIES 3 CHEMICAL SUPPLIERS INVOLVED: CHT BEZEMA DyStar HUNTSMAN Term 1. Alkylphenols (APs) & Alkylphenol Ethoxylates (APEOs), APEO 2. Azo Dyes Azo 3. Brominated and Chlorinated Flame Retardants / 4. Chlorinated solvents / 5. Chlorobenzenes CB 6. Chlorophenols 7. Organotin / 8. Phthalates / 9. Short Chain Chlorinated Paraffins (SCCPs) SCCP 10. Total heavy metal HM Heavy metal: Plumbum Acronyms/ element name Pb Heavy metal: Cadmium Cd 11. Perfluorinated Chemicals (PFCs) PFC Not Detected N.D

3 Processing Overview: Dyeing Process of Dyeing Bleached Dyed Final finishes Dyed Step 1 Step 2 Step 3 Step 4 Samples for testing Incoming Water Water with Water after Bleaching Water after Dyeing Water after Soaping Water after Finishing

4 Results- Factory A- Dyeing Test of water with greige fabric SAMPLE DK. Navy (Cotton) Pink (Cotton) Navy (Blend) GREIGE FABRIC TEST NPEO- 37.7ppm Test of water at different stages of wet processes Bleached Conclusion Dyestuff used in Navy color contain 4-Chloroaniline. Heavy metal (Pd and Cd) is not detected in incoming water. It may contains in Industrial grade of Caustic Soda or Salts SCCP was detected after bleaching. It may be extracted from fabric under high temperature Dyed Final finishes Step 1 Step 2 Step 3 Step 4 SAMPLE a. DK. Navy ( Cotton) b. Pink (Cotton) c. Navy ( Blend) A. INCOMING WATER B. WATER AFTER BLEACHING SCCP ppm; HM - Cd=0.0002,Pb=0.002ppm HM -Cd=0.0002,Pb= ppm SCCP ppm HM - Cd= ,Pb=0.0059ppm C. WATER AFTER DYEING Azo ppm, D. WATER AFTER SOAPING HM -Pb=0.0028ppm HM -Pb=0.0054ppm HM - Pb=0.0191ppm E. WATER AFTER FINISHING Azo- N.D; Azo- N.D; Azo- N.D;

5 Results- Factory B- Dyeing Test of water with greige fabric SAMPLE Water extract from GREIGE FABRIC TEST SCCP -0.02ppm; Conclusion: Dyestuff used contains 4-Chloroaniline Heavy metal was not detected in incoming water. It may contains in industrial grade Caustic Soda and Salts. SCCP was found in raw materials and water after pretreatment and dyeing. Test of water at different stages of wet processes Bleached Dyed Final finishes Step 1 Step 2 Step 3 Step 4 SAMPLE Water from Processing A. INCOMING MATERIALS B. AFTER BLEACHING SCCP -0.01ppm; HM -Cd= C. AFTER DYEING Azo ppm, SCCP -0.01ppm; HM -Cd=0.0004ppm D. AFTER SOAPING APEO - N.D E. AFTER FINISHING Azo- N.D;

6 Processing Overview: Printing Process of Printing Print Samples for testing Incoming Water Water with Wastewater Water with printed fabric

7 Results- Factory C- Printing Test of water with greige fabric Test of water at different stages of wet processes SAMPLE GREIGE MATERIAL PRINTED FABRIC 1. Smooth Puff print 2. Glitter print/gel print HM =N.D Azo =N.D APEO =N.D SCCP =N.D HM =N.D Azo =N.D APEO =N.D SCCP =N.D HM =N.D Azo =N.D APEO =N.D SCCP =N.D Phthalates =N.D Organotin =N.D HM =N.D Azo =N.D APEO =N.D SCCP =N.D Phthalates= N.D Organotin =N.D SAMPLE INCOMING WATER WASTE WATER 1. Smooth Puff print 2. Glitter print/gel print HM: Pb = ppm CB = N.D APEO = N.D SCCP = N.D HM: Pb= ppm Azo=N.D APEO = N.D SCCP = N.D Phthalates = N.D Organotin = N.D CB = / ppm HM: Pb= ppm Azo= N.D APEO = N.D SCCP = N.D Phthalates= N.D Organotin = N.D CB =N.D Conclusion: Pb and Chlorobenzenes are detected in discharged water

8 Summary of Findings In general, most chemicals were not detected in studies, except (i) Azo dyes, (ii) Heavy metals and (iii) SCCPs. Lead (Pb) and Cadmium (Cd) were detected in Factory A&B. The possible sources of heavy metals : Caustic Soda and Salts that used in processing. Chemical Alkylphenols (APs) & Alkylphenol Ethoxylates (APEOs), Azo Dyes, Brominated and Chlorinated Flame Retardants, Chlorinated solvents, Chlorobenzenes, Organotin, Phthalates, Short Chain Chlorinated Paraffins (SCCPs), Total heavy metal, Perfluorinated Chemicals (PFCs) Result Detected Detected Detected Areas for improvement: 1. Communicate with Chemical industry to find a breakthrough on technical, such as Chloroaniline in dyes 2. Improve Chemical Management System in mills (i) Encourage suppliers to use reputed chemical suppliers with qualified MSDS information (ii) Provide an education to suppliers on Chemical Management System

9 Publication details Contact Details Media Relations