diff --git a/opentelemetry-otlp/tests/integration_test/tests/logs.rs b/opentelemetry-otlp/tests/integration_test/tests/logs.rs
index 169df71601..26ad95c995 100644
--- a/opentelemetry-otlp/tests/integration_test/tests/logs.rs
+++ b/opentelemetry-otlp/tests/integration_test/tests/logs.rs
@@ -46,20 +46,36 @@ fn init_logs(is_simple: bool) -> Result<sdklogs::LoggerProvider> {
     Ok(logger_provider)
 }
 
-async fn logs_tokio_helper(is_simple: bool) -> Result<()> {
+async fn logs_tokio_helper(is_simple: bool, log_send_outside_rt: bool) -> Result<()> {
     use crate::{assert_logs_results_contains, init_logs};
     test_utils::start_collector_container().await?;
 
     let logger_provider = init_logs(is_simple).unwrap();
     let layer = OpenTelemetryTracingBridge::new(&logger_provider);
-    let subscriber = tracing_subscriber::registry().with(layer);
     // generate a random uuid and store it to expected guid
-    let expected_uuid = Uuid::new_v4().to_string();
+    let expected_uuid = std::sync::Arc::new(Uuid::new_v4().to_string());
     {
-        let _guard = tracing::subscriber::set_default(subscriber);
-        info!(target: "my-target",  uuid = expected_uuid, "hello from {}. My price is {}.", "banana", 2.99);
+        let clone_uuid = expected_uuid.clone();
+        if log_send_outside_rt {
+            std::thread::spawn(move || {
+                let subscriber = tracing_subscriber::registry().with(layer);
+                let _guard = tracing::subscriber::set_default(subscriber);
+                info!(
+                    target: "my-target",
+                    uuid = clone_uuid.as_str(),
+                    "hello from {}. My price is {}.",
+                    "banana",
+                    2.99
+                );
+            })
+            .join()
+            .unwrap();
+        } else {
+            let subscriber = tracing_subscriber::registry().with(layer);
+            let _guard = tracing::subscriber::set_default(subscriber);
+            info!(target: "my-target",  uuid = expected_uuid.as_str(), "hello from {}. My price is {}.", "banana", 2.99);
+        }
     }
-
     let _ = logger_provider.shutdown();
     tokio::time::sleep(Duration::from_secs(5)).await;
     assert_logs_results_contains(test_utils::LOGS_FILE, expected_uuid.as_str())?;
@@ -152,50 +168,155 @@ mod logtests {
 
     // Batch Processor
 
+    // logger initialization - Inside RT
+    // log emission - Inside RT
+    // Client - Tonic, Reqwest-blocking
+    // Worker threads - 4
     #[tokio::test(flavor = "multi_thread", worker_threads = 4)]
     #[cfg(any(feature = "tonic-client", feature = "reqwest-blocking-client"))]
     pub async fn logs_batch_tokio_multi_thread() -> Result<()> {
-        logs_tokio_helper(false).await
+        logs_tokio_helper(false, false).await
     }
 
+    // logger initialization - Inside RT
+    // log emission - Inside RT
+    // Client - Tonic, Reqwest-blocking
+    // Worker threads - 1
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     #[cfg(any(feature = "tonic-client", feature = "reqwest-blocking-client"))]
     pub async fn logs_batch_tokio_multi_with_one_worker() -> Result<()> {
-        logs_tokio_helper(false).await
+        logs_tokio_helper(false, false).await
     }
 
+    // logger initialization - Inside RT
+    // log emission - Inside RT
+    // Client - Tonic, Reqwest-blocking
+    // current thread
     #[tokio::test(flavor = "current_thread")]
     #[cfg(any(feature = "tonic-client", feature = "reqwest-blocking-client"))]
     pub async fn logs_batch_tokio_current() -> Result<()> {
-        logs_tokio_helper(false).await
+        logs_tokio_helper(false, false).await
     }
 
+    // logger initialization - Inside RT
+    // Log emission - Outside RT
+    // Client - Tonic, Reqwest-blocking
+    // Worker threads - 4
+    #[tokio::test(flavor = "multi_thread", worker_threads = 4)]
+    #[cfg(any(feature = "tonic-client", feature = "reqwest-blocking-client"))]
+    pub async fn logs_batch_tokio_log_outside_rt_multi_thread() -> Result<()> {
+        logs_tokio_helper(false, true).await
+    }
+
+    // logger initialization - Inside RT
+    // log emission - Outside RT
+    // Client - Tonic, Reqwest-blocking
+    // Worker threads - 1
+    #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
+    #[cfg(any(feature = "tonic-client", feature = "reqwest-blocking-client"))]
+    pub async fn logs_batch_tokio_log_outside_rt_multi_with_one_worker() -> Result<()> {
+        logs_tokio_helper(false, true).await
+    }
+
+    // logger initialization - Inside RT
+    // log emission - Outside RT
+    // Client - Tonic, Reqwest-blocking
+    // current thread
+    #[tokio::test(flavor = "current_thread")]
+    #[cfg(any(feature = "tonic-client", feature = "reqwest-blocking-client"))]
+    pub async fn logs_batch_tokio_log_outside_rt_current_thread() -> Result<()> {
+        logs_tokio_helper(false, true).await
+    }
+
+    // logger initialization  - Inside RT
+    // Log emission - Inside RT
+    // Client - Tonic, Reqwest-blocking
+    // current thread
     #[test]
     #[cfg(any(feature = "tonic-client", feature = "reqwest-blocking-client"))]
     pub fn logs_batch_non_tokio_main_init_logs_inside_rt() -> Result<()> {
         logs_non_tokio_helper(false, true)
     }
 
+    // logger initialization - Outside RT
+    // log emission - Outside RT
+    // Client - Tonic, Reqwest-blocking
+    // current thread
     #[test]
     #[cfg(feature = "reqwest-blocking-client")]
     pub fn logs_batch_non_tokio_main_with_init_logs_outside_rt() -> Result<()> {
         logs_non_tokio_helper(false, false)
     }
 
-    // Simple Processor
+    // logger initialization - Inside RT
+    // log emission - Outside RT
+    // Client - Tonic, Reqwest-blocking
+    // current thread
+    #[test]
+    #[cfg(feature = "reqwest-blocking-client")]
+    pub fn logs_batch_non_tokio_main_with_init_logs_inside_rt() -> Result<()> {
+        logs_non_tokio_helper(false, true)
+    }
+
+    // **Simple Processor**
 
+    // logger initialization - Inside RT
+    // log emission - Outside RT
+    // Client - Tonic, Reqwest-blocking
     #[test]
     #[cfg(any(feature = "tonic-client", feature = "reqwest-blocking-client"))]
     pub fn logs_simple_non_tokio_main_with_init_logs_inside_rt() -> Result<()> {
         logs_non_tokio_helper(true, true)
     }
 
+    // logger initialization - Inside RT
+    // log emission - Outside RT
+    // Client - reqwest, hyper
+    #[ignore] // request and hyper client does not work without tokio runtime
     #[test]
-    #[cfg(any(feature = "reqwest-blocking-client"))]
+    #[cfg(any(feature = "reqwest-client", feature = "hyper-client"))]
+    pub fn logs_simple_non_tokio_main_with_init_logs_inside_rt() -> Result<()> {
+        logs_non_tokio_helper(true, true)
+    }
+
+    // logger initialization - Outside RT
+    // log emission - Outside RT
+    // Client - Reqwest-blocking
+    #[test]
+    #[cfg(feature = "reqwest-blocking-client")]
+    pub fn logs_simple_non_tokio_main_with_init_logs_outsie_rt() -> Result<()> {
+        logs_non_tokio_helper(true, false)
+    }
+
+    // logger initialization - Outside RT
+    // log emission - Outside RT
+    // Client - hyper, tonic, reqwest
+    #[ignore] // request, tonic and hyper client does not work without tokio runtime
+    #[test]
+    #[cfg(any(
+        feature = "hyper-client",
+        feature = "tonic-client",
+        feature = "reqwest-client"
+    ))]
     pub fn logs_simple_non_tokio_main_with_init_logs_outsie_rt() -> Result<()> {
         logs_non_tokio_helper(true, false)
     }
 
+    // logger initialization - Inside RT
+    // log emission - Inside RT
+    // Client - reqwest-blocking
+    // Worker threads - 4
+    #[ignore] // request-blocking client does not work with tokio
+    #[tokio::test(flavor = "multi_thread", worker_threads = 4)]
+    #[cfg(feature = "reqwest-blocking-client")]
+    pub async fn logs_simple_tokio_multi_thread() -> Result<()> {
+        logs_tokio_helper(true, false).await
+    }
+
+    // logger initialization - Inside RT
+    // log emission - Inside RT
+    // Client - Tonic, Reqwest, hyper
+    // Worker threads - 4
     #[tokio::test(flavor = "multi_thread", worker_threads = 4)]
     #[cfg(any(
         feature = "tonic-client",
@@ -203,9 +324,13 @@ mod logtests {
         feature = "hyper-client"
     ))]
     pub async fn logs_simple_tokio_multi_thread() -> Result<()> {
-        logs_tokio_helper(true).await
+        logs_tokio_helper(true, false).await
     }
 
+    // logger initialization - Inside RT
+    // log emission - Inside RT
+    // Client - Tonic, Reqwest, hyper
+    // Worker threads - 1
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     #[cfg(any(
         feature = "tonic-client",
@@ -213,9 +338,13 @@ mod logtests {
         feature = "hyper-client"
     ))]
     pub async fn logs_simple_tokio_multi_with_one_worker() -> Result<()> {
-        logs_tokio_helper(true).await
+        logs_tokio_helper(true, false).await
     }
 
+    // logger initialization - Inside RT
+    // log emission - Inside RT
+    // Client - Tonic, Reqwest, hyper
+    // Current thread
     #[ignore] // https://github.com/open-telemetry/opentelemetry-rust/issues/2539
     #[tokio::test(flavor = "current_thread")]
     #[cfg(any(
@@ -224,7 +353,7 @@ mod logtests {
         feature = "hyper-client"
     ))]
     pub async fn logs_simple_tokio_current() -> Result<()> {
-        logs_tokio_helper(true).await
+        logs_tokio_helper(true, false).await
     }
 }
 ///