| Collection area | Location | Sample No. |
| Mymensingh | Shambugonj | MS1 |
| Fulbariya Bus Stand | MS2 | |
| Muktagacha | MS3 | |
| Bridge Mor | MS4 | |
| Chorpara | MS5 | |
| Sardha Gosh Road | MS6 | |
| Aawkuah | MS7 | |
| Ganghinapar | MS8 | |
| BAU Jobbar Mor | MS9 | |
| Dapunia Bazar | MS10 | |
| Zero Point | MS11 | |
| Gazipur | Pubail | GS1 |
| Kamar Para | GS2 | |
| Abdullah Pur | GS3 | |
| Tongi Bazar | GS4 | |
| College Gate | GS5 | |
| Station Road | GS6 | |
| Shimultoli | GS7 | |
| Sign Board | GS8 | |
| Board Bazar | GS9 | |
| Baro Bari | GS10 | |
| Bibi Bazar | GS11 | |
| Narayangonj | Jela Nirbachan office | NS1 |
| Shibu market | NS2 | |
| Chashara mor | NS3 | |
| 2 no. gate | NS4 | |
| Ukil para | NS5 | |
| B. B. market | NS6 | |
| Balur madth | NS7 | |
| Nur musjid | NS8 |