I DID A HOME ACCESS HIV BLOOD SPOT TEST AND SENT IN THROUGH THE MAIL. TO PROTECT MY BLOOD SPOT, I USED DUCT TAPE MADE OF NATURAL RUBBER ON THE OUTSIDE OF THE FOIL POUCH (THAT HOLDS THE BLOOD SPOT- NOT ON THE BLOOD SAMPLE COLLECTION CARD, ITSELF), ON THE CARDBOARD TO SEAL IT ONCE I PUT THE FOIL POUCH IN IT AND ALSO ON THE MAIL BAG USED TO SHIP IT. MY QUESTION IS- WOULD THE SMELL OF THE DUCT TAPE SEEP THROUGH TO THE BLOOD SPOT OR COULD IT CONTAMINATE IT IN ANY WAY ? I AM ASKING THIS BECAUSE I WANT TO BE SURE THAT I GET AN ACCURIATE TEST RESULT. THANK YOU SO MUCH. HAVE A BLESSED DAY !!